# JEE-2018

Hello everybody, I'm just another $$JEE$$ aspirant out of the many at Brilliant , and with Due respect ,would really appreciate the accompany of fellow Brilliant members who are appearing for $$JEE-2018$$; to please Use this discussion platform for all JEE-releated queries and Questions discussions ; Also it would be a matter of great joy to seek help from the "Seniors", :) of course the IITians - 2017 ...would be really glad if they could help us , you guys are great source of inspiration for all of us , please do comment and guide your juniors, us. Also ,any Brilliant member, please comment regarding jee-18 help and tips.

Note by Rishu Jaar
7 months, 3 weeks ago

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Find the potential at a distance $$\dfrac{R}{2}$$ from the center of the earth, of Mass M, And have $$V_{o}$$ as the potential on the surface.

1) $$\dfrac{3V_{o}}{8}$$ 2) $$V_{o} - \dfrac{11GM}{8R}$$

3) $$V_{o} - \dfrac{3GM}{8R}$$ 4) $$\dfrac{11V_{o}}{8}$$

- 7 months, 3 weeks ago

Is (4) the ans.?

- 7 months, 3 weeks ago

Hmm.. i also got 4 as answer But the answer given is 3. I think both 3 and 4 are same.. isnt it?

- 7 months, 3 weeks ago

Nope, I don't think 3 . 4 is the final ans., moreover its formula based.simple!

- 7 months, 3 weeks ago

But see, 3 also gives the same thing na? $$\dfrac{-GM}{R}+\dfrac{-3GM}{8R}$$. So Its Also the same.

- 7 months, 3 weeks ago

Oh right.! Then multi-correct!

- 7 months, 3 weeks ago

Yeah! :P

- 7 months, 3 weeks ago

U did that inequality problem?

- 7 months, 3 weeks ago

Yeah boss

- 7 months, 3 weeks ago

I mean u nailed it bro!

- 7 months, 3 weeks ago

Ok then. All the best!

- 7 months, 3 weeks ago

Why?

- 7 months, 3 weeks ago

It was an RMO problem. :)

- 7 months, 3 weeks ago

Oh i see.. Today RMO 2k17 scores are out :( . I got bad. 36

- 7 months, 3 weeks ago

Its nice. Believe me my friend got just 28 and he was the best.

- 7 months, 3 weeks ago

Is your JEE 11th course completed?

- 7 months, 3 weeks ago

- 7 months, 3 weeks ago

U in FIITJEE?

- 7 months, 3 weeks ago

Nopes...

- 7 months, 3 weeks ago

Yeah a school frnd this year.

- 7 months, 3 weeks ago

You are FIITJEE'ian?

- 7 months, 3 weeks ago

Nopes, no gud coaching here in my city, Mathura. I am Jksian however.

- 7 months, 3 weeks ago

Oh.. still your level is quite high... :) Keep it up

- 7 months, 3 weeks ago

A bit yeah, thnx :) ok gn , just hope the IITians answer my queries below.

- 7 months, 3 weeks ago

Comment deleted 3 weeks ago

Comment deleted 3 weeks ago

- 7 months, 3 weeks ago

well... i am also a jee 2018 aspirant!!!!

- 7 months ago

Are you from FIITJEE Bhilai or Raipur?

- 7 months ago

bhilai

- 7 months ago

Surely , you are welcome to make this discussion go on till the exam $$\ddot\smile$$

- 7 months ago

How are u guys?Back after a long time.

- 1 day, 19 hours ago

Hey Congrats for a great rank!! I guess you will be joining IITK CSE ... :D.. Best wishes for your future. Please don't forget us :D

- 1 day, 19 hours ago

Comment deleted 1 day ago

Then why are you asking for questions ? LOL

- 1 day, 19 hours ago

I meant I'll give a try for sure but may not be successful in solving(lack of practice over a month or so)

- 1 day, 19 hours ago

No you wont fail in solving as I am not in that level to ask you a tough question.

Well I have a question, How did you manage your chemistry along with P,M? I mean equally :P

- 1 day, 19 hours ago

In 11th-well I didnt do it as a serious jee aspirant does.All my time I would be solving some M/P.question so no Chemistry just attend classes and let the notes be as they were in the class.As a result marks declined terribly. 12th-Gave a lot of time to chemistry,did all the notes revision carefully,solved books read higher books for knowledge,and generally have it more time,than P/M as I knew I was a bit weak in it.So this is a common question which many good ppl face,they don't do C well in 11th but the only way to back up is to do it seriously in 12th.At times it can save you(like this year maths deteriorated my performance,but Chemistry kind of adjusted it,hence I got 112,80,67 in pcm)

- 1 day, 18 hours ago

Thanks :D.... Its night. :D I need to go to sleep;

- 1 day, 18 hours ago

Hey before u go to sleep tell.me how to.post a problem?I've forgot it.

- 1 day, 18 hours ago

Haha... Are you joking. Well, You can just go to community and then click post a problem.

- 1 day, 18 hours ago

Yah I got it.Just posted one.Try it sometime.

- 1 day, 18 hours ago

Sure bro. :D. Why dont you have your message section open for all at Quora? THen we can talk there

- 1 day, 18 hours ago

Well thanks, Same goes for me, I didnt took 11th C seriously. I need to do Chemistry seriously from now on. Also, Which higher books you did? Can you tell me?

- 1 day, 18 hours ago

Yeah sure. In Physical-only Atkins,Organic-J Clayden(for Jee advanced)and Solomon's(kind of novel like reading) Inorganic-Nothing the best way to read it read your notes agin and again.And come out of the notion that it's memorising part,sure it is,but not rote learning which ppl usually do,read the same stuff say 5 times and you're done with it.I didn't have to memorise much then.Multiple iterations of the same topic make it clear.However any of Vogel,JD Lee would be sufficient.

- 1 day, 18 hours ago

@Akshat Sharda , @Tapas Mazumdar , @Ayush Mishra , @Spandan Senapati . How much are you scoring in JEE ?

- 2 months ago

@Mayank Singhal , not getting expected marks as my physics paper had gone extremely bad, chemistry was moderate, but maths was quite easy but I got only half hour for it

- 2 months ago

Same here . Expecting 213 according to official key . What about you?

- 2 months ago

- 2 months ago

Did you give offline ?

- 2 months ago

Yeah

- 2 months ago

@Sahil Silare @Mayank Jha @Sarthak Gupta .... What about you guys?

- 2 months ago

@Md Zuhair as i told you 273. Well initiate the discussion...

- 1 month, 3 weeks ago

Yeah. How about rank? I guess within 800 ...

- 1 month, 3 weeks ago

722

- 1 month, 3 weeks ago

Got only 223 marks. Got less than expected in physics,Maths was moderate and chemistry was quite easy.

- 2 months ago

Hi bro ! How much are you scoring in advanced ?

- 3 weeks, 4 days ago

@Sarthak Gupta,@Mayank Singhal,@Spandan Senapati,@Harsh Shrivastava, what are ur ranks in JEE-Advanced ??

- 1 week, 5 days ago

My AIR is 1682 , marks - 197 .

- 1 week, 5 days ago

Congratulations bro..

- 1 week, 5 days ago

Bhai tera whatsapp hai?

- 1 week, 5 days ago

Nice Rank. You will get IIT! Congrats!

- 1 week, 5 days ago

Thanks . It is all due to this excellent brilliant community :)

- 1 week, 5 days ago

I hope you wont forget us!! :D... THe brilliant family. I hope my problems contributed to help you crack JEE?

- 1 week, 5 days ago

I can never forget it . Surely, your problems are quite good . These were one of the first problems that i solved when i first came on brilliant.

- 1 week, 5 days ago

Thanks Bhaiya. Can i have any personal contact of you? Like Whatsapp Number?

- 1 week, 5 days ago

Comment deleted 1 week ago

Thanks you may delete it soon!!

- 1 week, 5 days ago

How much u got in maths?Question in maths was not at all tough.i was also able to solve 10 to 15 questions in it from1st part(iit jee mains offline) Dont think that i'm preparing for iit jee .im in 9th only.haha.. Hope u might be satisfied with ur marks.

- 2 months ago

You are chemistry topper. It will seem to that Chem is easy

- 2 months ago

Can u plz tell me how double variable f(x)...having both x,y to be differentiated.... Like fx=9x+4y....... So as to get its min value.

- 2 months ago

I guess for these kinds we dont differentiate. Still I am not sure.

- 2 months ago

Well guys means my elder brothers how were ur iit jee mains online or offline... i solved10 question of maths from jee mains offline...(maths was really easy)
How did u gave them?

- 2 months ago

How was JEE Mains for you guys?

- 2 months, 2 weeks ago

Sorry @Prakhar Bindal bhaiya, for posting that website link. And I m in 12th right now..

- 2 months, 2 weeks ago

http://cisthetaglobal.com/is-jee-2018-physics-paper-copied-from-model-paper-of-a-famous-coaching/ WHY ARE PEOPLE CREATING RUCKUS FOR THIS ?? I CANT UNDERSTAND

- 2 months, 2 weeks ago

That musnt be the case. I am sure. Then there will be a retest!

- 2 months, 2 weeks ago

A report on the same thing came in the newspaper yesterday(in my city)...and most of the institute heads are telling it isn't somthing abnormal, as Narayana itself might have copied those questions from some source and it might be a coincidence....

- 2 months, 2 weeks ago

Hey, I just saw your New set, KVPY SX 2018. I am excited to get questions there. I have also a set. We have to work hard together to qualify KVPY SX next year. Isnt it?

- 2 months, 1 week ago

I had a small doubt bro. suppose i already have posted a question before which I want to put in my set, how to do it ?

- 2 months, 1 week ago

Its quite easy! See... What you will do is, go to the question, Click on the 3 dots written by "More" at the rightmost bottom and then click on Save. Then select the set.

- 2 months, 1 week ago

Thanks bro !!

- 2 months, 1 week ago

Oh i see. But my brother, Can you help me ? Can you make a set in brilliant for KVPY SX questions containing PCM of KVPY level. I will also make one. It will help both of us and our juniors. Ready? You can start posting qs. I will Add them in my set!

- 2 months, 2 weeks ago

How to solve it -find all polynomials p(x) such that- P(x^2)={p(x)}^2.

- 6 months, 4 weeks ago

Let $$p(x)=a_{0}x^0+a_{1}x^1+...+a_{n}x^n$$

$$(p(x))^2=(a_{0}x^0+a_{1}x^1+...+a_{n}x^n)(a_{0}x^0+a_{1}x^1+...+a_{n}x^n)$$ ...$$(1)$$

$$p(x^2)=a_{0}x^0+a_{1}x^2+...+a_{n}x^{2n}$$ ...$$(2)$$

According to question:

$$(1)=(2)$$

Let's start by finding the constant term :

From $$(1)$$ and $$(2)$$ we get :

$$a_{0}=(a_{0})^2 \implies a_{0}=1,0$$

$$\bf{Case 1}$$ : When $$a_{0}=1$$

Continuing in the same manner and finding the coefficient of $$x$$ we get :

$$a_{1}=0$$

Setting $$a_{1}=0$$ in equations $$1$$ and $$2$$ and finding coefficient of $$x^2$$ we get:

$$a_{2}=0$$ .

Continuing in the same manner , we get:

$$a_{1},a_{2},...,a_{n}=0$$

Hence , $$p(x)=1$$ is a solution.

$$\bf{Case 2}$$: When $$a_{0}=0$$

Finding the coefficient of $$x^2$$ from equations $$1$$ and $$2$$ we get :

$$a_{1}=0,1$$

If $$a_{1}=1$$ :

$$(x+a_{2}x^2+...+a_{n}x^n)(x+a_{2}x^2+...+a_{n}x^n)=(x^2+a_{2}x^4+...+a_{n}x^{2n})$$

Now, divide the above equation by $$x^2$$ and we get :

$$(1+a_{2}x+...+a_{n}x^{n-1})(1+a_{2}x+...+a_{n}x^{n-1})=x^0+...+a_{n}x^{2n-2}$$

Above equation is similar to case $$(1)$$ with $$a_{1}$$ doing the work of $$a_{0}$$ and the degree is one less i.e,.$$(n-1)$$ in this case . Hence , $$a_{1}$$is not equal to $$0$$ , as we want a different solution from case $$1$$.

By the same reasoning , all of $$a_{1},a_{2},...,a_{n-1}=0$$

Finally we are left with:

$$(a_{n})^2 x^{2n}=a_{n}x^{2n}$$

Hence , $$a_{n}=0,1$$

So, the required solutions are: $$p(x)=0,1,x^n$$

- 6 months, 3 weeks ago

Hmm nice question. P(x^2)=(p(x))^2. I have seen it somewhere. Okay let me do it

- 6 months, 4 weeks ago

try to solve it.

- 6 months, 3 weeks ago

Guys try this : https://brilliant.org/problems/expanding-gas/

- 7 months, 3 weeks ago

https://brilliant.org/problems/vectors1/ , @Md Zuhair , @Mayank Singhal , try this one its cool.

- 7 months, 3 weeks ago

Hey i am getting the answer as -3

- 7 months, 3 weeks ago

i m not getting

- 7 months, 3 weeks ago

@Md Zuhair are you getting the same answer too?

- 7 months, 3 weeks ago

no... im getting the correct

- 7 months, 3 weeks ago

Ok , so I went wrong somewhere

- 7 months, 3 weeks ago

Oh wait. I am also getting $$3RT_{0}$$ as answer.. $$\Delta U=2RT_{0}$$ But $$\Delta H=3RT_{0}$$. Isnt it?

- 7 months, 3 weeks ago

@Md Zuhair I am talking about the vector question.

- 7 months, 3 weeks ago

@RISHU Jaar can u please check out that question again

- 7 months, 3 weeks ago

agreed bro, my mistake , it is -3 indeed , sorry , it was a very old problem and i didn't solved it at time of posting.

- 7 months, 3 weeks ago

- 7 months, 3 weeks ago

whose?

- 7 months, 3 weeks ago

https://brilliant.org/problems/vectors1/?ref_id=1425005

- 7 months, 3 weeks ago

how can i recorrect the answer, i have requested Calvin sir.

- 7 months, 3 weeks ago

Yeah.... You can say that if the scalar product is $$A$$,Find the value of

$$A-145$$. You get it

- 7 months, 3 weeks ago

I have corrected it guys, thanks , now i know why the problem wasn't getting shared or liked, or even solved! :)

- 7 months, 3 weeks ago

$$\large \color{Blue}{\text{BRILLIANT BUDDY!}}$$

- 7 months, 3 weeks ago

Thanks

- 7 months, 3 weeks ago

:)

- 7 months, 3 weeks ago

What about that $$\Delta H$$ question?

- 7 months, 3 weeks ago

I didn't do that one.

- 7 months, 3 weeks ago

Plz try and tell

- 7 months, 3 weeks ago

@Mayank Singhal,@Md Zuhair , both problems are correct guys.

- 7 months, 3 weeks ago

Okay. But isnt it that $$\Delta H=C_{p} dT$$?

- 7 months, 3 weeks ago

No that's enthalpy change , here simply evaluate by integrating $$dQ=nCdT$$ , right ?

- 7 months, 3 weeks ago

Oh yaaa :P .. See i am weak at basics :P... ThermoD. :P

- 7 months, 3 weeks ago

Oh i was always confused at Thermo, its a topic of confusion!:)still good.

- 7 months, 3 weeks ago

Ohh.. i didnt did the vector question

- 7 months, 3 weeks ago

ok wait :)

- 7 months, 3 weeks ago

i couldn't solve Steven sir's problem:(

- 7 months, 3 weeks ago

Its a nice problem.. I did it :).. Its just basic concept of Electric feild+Mechanics+Trigo :P...

- 7 months, 3 weeks ago

That's nice..you will do good,bro.

- 7 months, 3 weeks ago

Do good as in?

- 7 months, 3 weeks ago

JEE my friend, JEE :), you have a good grip of basics.

- 7 months, 3 weeks ago

And i did ur expanding gases wala question :) . Nice... Tomorrow its KVPY. It helped me revise the polytropic process

- 7 months, 3 weeks ago

Not that good :P :)

- 7 months, 3 weeks ago

Hi! I am also a jee 2018 aspirant.

- 7 months, 3 weeks ago

- 7 months, 3 weeks ago

@Tapas Mazumdar is also into JEE 2018

- 7 months, 3 weeks ago

Sure everyone is welcome.

- 7 months, 3 weeks ago

But nowadays I'm less active on Brilliant than last year.

- 7 months, 3 weeks ago

I know, revision times + boards !

- 7 months, 3 weeks ago

I guess same will happen to me next year :(

- 7 months, 3 weeks ago

Same for me also :(

- 2 months, 3 weeks ago

Hey. I have a very bad news.... Not quite for u. I mailed the KVPY authorities that what was my score and I gave them my application no. They say that... No such people with that app. no gave the exam. ... I still remember that when 0:01s we're left....my computer hanged and the time wasn't increasing. So I left the computer and went out of the lab.... 😥😥😥😥😥

- 2 months ago

I guess my paper wasn't submitted properly

- 2 months ago

it cud be possible...anyways what 2 do.....

- 2 months ago

What can I do other than preparing for SX?

- 2 months ago

- 1 month, 3 weeks ago

@Harsh Shrivastava, how did ur Mains go ??

- 1 month, 3 weeks ago

Hey Aakhyat... Do u update your set of KVPY SX?

- 1 month, 3 weeks ago

Haha.... That was an Joke reply.. wasnt it? If not.. then read all the comments XD ... HAha

- 1 month, 3 weeks ago

@Prakhar Bindal , @Aniket Sanghi , @Swapnil Das , @Spandan Senapati , @Harsh Shrivastava , @Md Zuhair , please initiate this discussion , With your grace.

- 7 months, 3 weeks ago

Hi..yup I am not that active.as I was in 11th.But still we can use it sometimes.Where do you study?

- 7 months, 3 weeks ago

Jks academy , mathura and you?

- 7 months, 3 weeks ago

Bro in Brilliant, ppl are not active anymore so please see we have a nice group in aops(Hope Calvin sir dosent reads this :P)

- 7 months, 3 weeks ago

Hi Harsh , would you mind me participating in your slack group , i could use some help really, also why are you guys not much active these days ? @Harsh Shrivastava , @Spandan Senapati , @Swapnil Das , guys please reply.

- 7 months, 2 weeks ago

No time bro. Brilliant is no more the same vibrant community it used to be.

- 7 months, 2 weeks ago

You are right indeed, so aren't you guys communicating like before ? I just wanted to stay in contact and get some tips from you FIITJEEians , don't mind me otherwise. $$\ddot\smile$$

- 7 months, 1 week ago

You're much more talented. And I'm (almost) always available.

- 7 months, 1 week ago

Oh thnx bro, not much as it seems , you are much more , by the way not on aops even?

- 7 months, 1 week ago

I have an account and I was much more active during my B'ant days. Now I'm extinct.

- 7 months, 1 week ago

ok , then aren't you in 11th...btw how are your AIITS going?

- 7 months, 1 week ago

I'm having poor health conditions right now(migraine), for which I couldn't even give KVPY. AIITS therefore went bad yesterday. I hope I recover soon.

- 7 months, 1 week ago

oh im so sorry , take care bro and get well soon , and thanx for reply.

- 7 months, 1 week ago

Lack of time.Mostly in 12 jee preps eat up a lot of time. As you can see I was a lot active in class-11

- 7 months, 2 weeks ago

Yeah i see that, btw me 2 preparing for jee , how is your performance going on at FIITJEE AITS?

- 7 months, 2 weeks ago

It started yesterday only. If you're talking of aiits then it's fine. Wbu? Did you appear in today's aits(adv)

- 7 months, 2 weeks ago

Could you help me join your slack group , it would be great.

- 7 months, 2 weeks ago

I wish I could, sadly I am not a part of the slack group.

- 7 months, 2 weeks ago

OK ..then maybe @Swapnil Das or @Harsh Shrivastava might help...when they are active.

- 7 months, 2 weeks ago

I don't use slack bro, you should join our aops discussion, make an account on aops and done! :D

Its lot more active than brilliant.

- 7 months, 2 weeks ago

Ok please tell me name of your group or how to find you , i have made my account.

- 7 months, 1 week ago

Bro , unfortunately , in my city there is a very scarce competition , also i am enrolled to a local coaching centre and haven't enrolled in FIITJEE AITS , but in Allen.

- 7 months, 2 weeks ago

Anyway the jee topper was from a local Centre. That Sony doesn't matter. But yes healthy competition does help a lot.

- 7 months, 2 weeks ago

are you there?

- 7 months, 2 weeks ago

Very true. that's why i seek a company of healthy comp. here at Brilliant, anyways , have you completed your entire JEE course? And also what are the pattern of tests conducted there at FIITJEE.

- 7 months, 2 weeks ago

Are you in 11th class? Fiitjee , I guess?

- 7 months, 3 weeks ago

Ok got it ! :P , still we can use this discussion sometimes!

- 7 months, 3 weeks ago

Class 12 FIITJEE Bhilai

Wbu?

- 7 months, 3 weeks ago

Bro ,Class 12, Jks Academy Mathura. Probably u wud have never heard of it :P . I will catch up with you guys soon in your IITians group :)

- 7 months, 3 weeks ago

sure i will be more than happy

- 7 months, 3 weeks ago

Please share your revision strategy for the last few months , we would be glad to know.

- 7 months, 3 weeks ago

@Prakhar Bindal, @Aniket Sanghi , I know you guys must be really busy, but please do answer our questions when u get free.

- 7 months, 3 weeks ago

Sure , mention my name for any q meant for me :)

- 7 months, 2 weeks ago

What was your revision strategy during these last few months...what materials you covered ? How many subjects per day ? and how Often were You active at brilliant ? please answer @Aniket Sanghi .

- 7 months, 2 weeks ago

Basically focus on your backlogs and simultaneously keep solving papers to keep pace. Do the things which will.increase your confidence

- 7 months, 2 weeks ago

- 7 months, 2 weeks ago

Did you solved any books or just FIITJEE modules and Prev. Yr?

- 7 months, 2 weeks ago

I basically solved cengage , I don't solve fiitjee modules in 12th , I didn't like them . You may check my. Quora answers , in that I guess you will get answers to most of your queries

- 7 months, 2 weeks ago

Thank you very much brother..i will check quora also.

- 7 months, 2 weeks ago

Hey Aniket bhaiya.. If i dont get KVPY SA... am i fit for JEE Adv?

- 7 months, 2 weeks ago

@Md Zuhair , KVPY SA 2017 was a useless one.....

- 2 months, 3 weeks ago

Well, I will give you a big THANKS for always being on my side and supporting me :D. You are a good friend!

- 2 months, 3 weeks ago

That doesnt matter, You Qualified, That matters. No one going to check what cheating happened in online exam, and the retest.

- 2 months, 3 weeks ago

Even that doesn't matter, cuz I didn't qualify Stage-2 @Md Zuhair....

- 2 months, 2 weeks ago

But that doesnt define your Merit Level, The merit level is decided in first exam.

- 2 months, 2 weeks ago

IT DOES bro.@Md Zuhair Btw did u see the rank list ?? Almost similar to 2019 JEE Advanced Ranklist with a few subtractions(i.e. medical students)

- 2 months, 2 weeks ago

Ya i saw. AIR 15 is from our school! rather our section! rather.. he sits beside me :P in my bench!

- 2 months, 2 weeks ago

No, I mean the top 10 ranks....mostly will be the same in JEE Mains and Advanced 2019

- 2 months, 2 weeks ago

cuz >50 % of top 10 are the TOP GUNS of Allen Kota... @Md Zuhair

- 2 months, 1 week ago

But even then, KVPY exam can't decide where u stand. Reason-for maths section, I ACTUALLY DID LEAVE many questions (I wasn't getting how to solve them. Plus, whenevr it comes to RMO,INMO type questions...my situation-:[ ) And also whoevr scores awesome in KVPY doesn't NECESSARILY mean he would top IITJEE too. Coz there is bio too, and it may be possible that he went for JSO OCSC,and his Bio is a bit(TOO MUCH) strong thanks to that. Even what @Aniket Sanghi bhaiya told is correct.

- 2 months, 3 weeks ago

You left many questions, still qualified? Nice :) Your others were better then.

- 2 months, 3 weeks ago

Anyways, in JEE 19 they won't check ur KVPy mks to decide ur rank, so still no use....

- 2 months, 3 weeks ago

But, Do you know? I am more into Pure Science rather than Engg. So even if i qualify , I will take Phy Hons. at IIT. So IISC will be better for that.

i dont know. Lets see. If my mind changes later

- 2 months, 3 weeks ago

Why not ? KVPY SA doemt define yr future , here many of my batchmates haven't cleared that still are in top 200AIR in Advance

- 7 months, 2 weeks ago

(a+1/a)^10+(b+1/b)^10+(c+1/c)^10>10^10/3^9 I am trying it from 1/2an hr pls Help me a,b,c are positive reals.

- 2 months, 3 weeks ago

The inequality is not valid :

For , if it is , it should be valid for all $$a,b$$ and $$c$$

Putting $$a=b=c=1$$ yields wrong result.

- 2 months, 3 weeks ago

No it cant be we have to use Jensen's but i dont know how to apply Jensen's? Think over it.

- 2 months, 2 weeks ago

@Ayush Kumar, what should we find in the question ??

- 2 months, 3 weeks ago

To prove that one i.e. £(a+1/a)^10>10^10/3^9 Using Jensen's inequality.

- 2 months, 3 weeks ago

Really!! You have made my day and increased my confidence. Thanks :)

- 7 months, 2 weeks ago

Also what was your revision strategy , during these last few months ?

- 7 months, 3 weeks ago

Can you please tell how you prepared chemistry for jee , i m really Weak at it , especially organic chem.

- 7 months, 3 weeks ago

Glad to hear it , its an honor.

- 7 months, 3 weeks ago

Bro I am giving JEE Advanced 2019 :). Still I will like to stay in touch with this discussion.

- 7 months, 3 weeks ago

Sure.

- 7 months, 3 weeks ago

@Sarthak Gupta , @Akshat Sharda , @Tapas Mazumdar, @Ayush Mishra , @Mayank Jha . How was your exam ? How many marks are you expecting ? :)

- 1 month ago