Again out of curiousity, I am posting this note adressed to all my friends who are giving 12th Boards.

How's your maths paper and how much are you expecting.

Again one can discuss anything here.

Again out of curiousity, I am posting this note adressed to all my friends who are giving 12th Boards.

How's your maths paper and how much are you expecting.

Again one can discuss anything here.

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TopNewestThe paper was easy but I had only 5 minutes left to revise. I think I got every question correct with all necessary steps but as I couldn't revise properly, might lose some marks in careless mistakes. Definitely 95+. Hoping for 98-100. – Shashwat Shukla · 2 years ago

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Does anyone have I.P previous year question paper along with the solution(all sets). Can anyone send the link regarding the same? – Mahimn Bhatt · 1 year, 12 months ago

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Can anyone post solution to \(\displaystyle\int \frac{x\cos x+\sin x \mathrm dx}{x(x+\sin x)}\) – Pranjal Jain · 2 years ago

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I have the answer as :

\[\displaystyle I = \int { \frac { x\cos { x } -\sin { x } }{ x(x+\sin { x } ) } dx } = \int { \frac { (x\cos { x } +x)-(x+\sin { x } ) }{ x(x+\sin { x } ) } dx }\]

\[ I = \ln { (1+\dfrac { \sin { x } }{ x } ) } \]

Sorry but I don't have the answer to your problem. – Ronak Agarwal · 2 years ago

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@Ronak Agarwal @Vraj Mehta @Azhaghu Roopesh M @Mvs Saketh

Guys, can you please tell me your question paper codes? Not just the set number, but also the code, mine is 65/2/MT. I have been running into a lot of complaints about the exam wherever I turn, even in the newspaper, there were two separate articles about it. Please do reply. – Raghav Vaidyanathan · 2 years ago

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– Mvs Saketh · 2 years ago

65/1/BLog in to reply

– Ronak Agarwal · 2 years ago

Mine 65/1/ALog in to reply

The code number was : 65/3/A . – Azhaghu Roopesh M · 2 years ago

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65/2/MT

Here is the link to my paper:@Azhaghu Roopesh M @Siddhartha Srivastava @Ronak Agarwal @Mvs Saketh This paper must be the easiest one. – Raghav Vaidyanathan · 2 years ago

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See the note that I posted , my paper was relatively lengthy . I'm sure you'll agree . – Azhaghu Roopesh M · 2 years ago

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– Ayush Gupta · 2 years ago

Hi The paper we got in Delhi was different from this and for me it was not difficult but lengthy. got no time to revise I did some very stupid mistakes ( like 3 X 2=5 due to which i lost 1 mark ) expecting around 93-95.Log in to reply

– Azhaghu Roopesh M · 2 years ago

Good to hear that atleast you fared well :)Log in to reply

one set 65/2/2/F. One question was wrong in it. Q20 first part. – Siddhartha Srivastava · 2 years ago

I didn't give the exam, but I've seenLog in to reply

Are you sure that the link you've provided is the paper of this year ? That one's toooooo simple . – Azhaghu Roopesh M · 2 years ago

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– Mahimn Bhatt · 2 years ago

i agree with you. it is damn easyLog in to reply

– Azhaghu Roopesh M · 2 years ago

What is your paper code ?Log in to reply

– Mahimn Bhatt · 2 years ago

i dont remember exactly(i have given my paper to sir) but most probably it was 65/1/ALog in to reply

– Siddhartha Srivastava · 2 years ago

I got it from Reddit. Some Indian student from abroad posted it. Could you post your paper?Log in to reply

Here's the link . Check it out :) – Azhaghu Roopesh M · 2 years ago

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– Azhaghu Roopesh M · 2 years ago

Yup! I'll do it today .Log in to reply

I'm expecting above 90 and i think, paper wasn't tough but yes, bit lengthy. – Kïñshük Sïñgh · 2 years ago

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Well, everyone can pretty much add 2-3 marks to their expected score. http://www.thehindu.com/news/national/cbse-maths-exam-board-mulls-grace-marking/article7011799.ece?mstac=0 – Siddhartha Srivastava · 2 years ago

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@Ronak Agarwal

Well , it seems you'll get 101/100 right ? :D – Azhaghu Roopesh M · 2 years ago

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I am expecting above 90. The sad part is i realized two of my mistakes yesterday only. The paper was kind of moderate but difficult as compared to last year's paper. – Mahimn Bhatt · 2 years ago

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Disastrous. I don't know why but I skipped past the binary operations 6 marker. I literally didn't see it. And the sad thing is that it probably was the easiest 6 marker of the lot. Expecting anywhere between 85-90. – Pratik Shastri · 2 years ago

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– Azhaghu Roopesh M · 2 years ago

Yes, you'll definitely get 90Log in to reply

– Pratik Shastri · 2 years ago

Hmm, lets see.Log in to reply

Hmm , I think I'll get between 85-90 (yes , I had a definitely bad outing there)

But I'm just focusing on JEE Advanced right now , so I think it's no big deal . – Azhaghu Roopesh M · 2 years ago

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Definitely 88-90 ,Will only loss marks if there are any silly mistakes or calculation error..

Also On the difficulty of the paper,for us preparing for advance the paper was not that challenging but for the ones who have taken Maths as A fifth subject it was a disaster..

I remember a girl seeing a girl crying during the exam..

Roopesh Must have seen it too.We were in the same room..:3 :3

But All left is IP which is a very interesting Subject..What are you planning to Study???Ronak Agarwal And Roopesh..

Since I know only two of you having taken IP on Brilliant.. – Vraj Mehta · 2 years ago

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Would you mind writing the initial of the one who was crying ?

Seriously , YOU are going to study IP ?? I am just going to read the Chapters 1,2 and the last Chapter (was it 16th ?) – Azhaghu Roopesh M · 2 years ago

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The paper was very easy for me and almost all of my friends and classmates. I do not know why people are saying that it was tough. Strongly believe that there was some difference between my question paper and yours. My qp code is 65/2/MT. A lot of my friends finished almost 30 min before time. @Ronak Agarwal – Raghav Vaidyanathan · 2 years ago

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– Ronak Agarwal · 2 years ago

I am talking about CBSE board paper, people are calling that tough . Are you from CBSE board or some other one.Log in to reply

– Raghav Vaidyanathan · 2 years ago

Oh my god! Of course I'm in CBSE!Log in to reply

– Shashwat Shukla · 2 years ago

Raghav and I are from CBSE.Log in to reply

Just wanted to ask, are there people out here who are having Physical Education as their 5th subject ?

If yes, then please tell how are you preparing for the exam ?? I am just reading the chapters from the book, will it do ? – Karan Siwach · 2 years ago

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I think, I will definitely score in between 95 and 99.

Not sure if I have done the question of getting expression 'A^2 -5A+4I' given matrix 'A' correctly, I think I have copied 'A' wrongly from the question paper. – Karan Siwach · 2 years ago

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definitely above 90, only place where i might lose marks are the question which was asked to be solved by matrix method, Though i did solve it using matrices only by some how converting it into a matrix problem . what about you? – Mvs Saketh · 2 years ago

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Also is this your actual photo, you have as your profile pic. – Ronak Agarwal · 2 years ago

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Yes it is, My JEE main profile pic – Mvs Saketh · 2 years ago

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You look quite a big boy, your image doesn't look like that of an 17 year old boy. – Ronak Agarwal · 2 years ago

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Actually, it is camera effect, i am just 174cm long , shorter than you as well perhaps.

And, no, i did the Miscellanious exercices from CBSE before board exam and two to three integration questions were from there only, I do not know why some of these parents demand retest because their kid is an idiot . Infact, i finished it 40 mins ago and rechecked it twice, and they say time was low, infact some were telling me to ask for retest as well – Mvs Saketh · 2 years ago

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Both of you are really my "Bhaiyyas" in terms of height . Btw I am 164 cm . – Azhaghu Roopesh M · 2 years ago

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– Ronak Agarwal · 2 years ago

I am 166 only, among my friends I am the shortest, way shorter than each one of them. I am joked too much about my height.Log in to reply

– Azhaghu Roopesh M · 2 years ago

Yeah , I can understand . I am not made fun of , but then again , I am indeed among the shortest guys here .Log in to reply

– Mvs Saketh · 2 years ago

just tell them you are not short, just trying to minimise your surface area like a bubbleLog in to reply

– Azhaghu Roopesh M · 2 years ago

Seriously no! Physics and I are not made for each other , so I guess I'll refrain from a Physics excuse !Log in to reply

Also I was not commenting on height, I was commenting about age. – Ronak Agarwal · 2 years ago

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– Ronak Agarwal · 2 years ago

You gave the CBSE paper right.Log in to reply

– Karan Siwach · 2 years ago

yes , CBSE Delhi region.Log in to reply

– Ronak Agarwal · 2 years ago

Was the paper really tough and questions were not from NCERT( I don't know since I have not read NCERT nor done a single exercise of it) , cause lot of people were complaining about the paper and demanding for retest, you can check the net about this.Log in to reply

– Krishna Ar · 2 years ago

:o You haven't done NCERT at all? Then how did you... prepare all those LPP shit? (I know that you're a genius but still) and dont they teach NCERT at your school and dont you hafta do it o'er there?Log in to reply

Also teachers at school taught NCERT but I often skipped coming to school and at school also I did my coaching material, that interested me much more that the school stuff.

By not reading NCERT I meant not reading it's textual matter in detail, I did try to read topics that were yet not done in coaching some time before but I can't understand anything,( they have explained it quite badly), still I seriously didn't know about the question in NCERT since I have not solved even a single one of them.

Also I am not genius, since genius people are people like Sheshansh Agarwal( 3 time astronomy gold medalist cleared this year both INCHO , INPHO with a big, big margin), Bhavya Chaudhry( KVPY first rank, Juniour Astronomy gold medalist), and people like you ( your achievements are uncountable). – Ronak Agarwal · 2 years ago

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– Krishna Ar · 2 years ago

XP (for the last part of the last line). I agree to everything else here. NCERT is a very bad teacher, almost as worse as my 10th grade physics teacher(who once said that Red has the minimum wavelength in the spectrum). You too are a genius ; you have a chance to represent India ;) (in fact, i aint one:- i dont even want to call those achievements as "achievements"). BTW can you answer this question : when and how did you learn calculus? ThanzLog in to reply

First approach I thought to tackle this problem was to cut the sphere into thin discs of finite thickness and calculating the volume and reduce the thickness all the way to zero, this approach was good but I can't handle the summation though, also I can't work up the expression. Finally I decided to learn calculus from basics. But I didn't have any books for reading about this( well I had a handbook that consisted of many formulas I can't understand a single one of them ) hence I again searched up net, and then I found this :

Wikibooks- Calculus.

It nicely started with the concept of functions followed by limits,tangents, derivatives, rules of differentiation,rolle's theorom,lagrange mean value theorom ,application of derivatives in kinematics, and maxima and minima(first derivative and second derivative test) and everything was so interesting( yet I can't understand it clearly)

Finally I started with second part INTEGRATION, it started with riemann sums with a nice introduction and how area is calculated by small strips approach, then came the fundamental theorom of calculus Part 1, Part 2, and the rigorous proofs ( It took me a day to understand the proof of it.), and than proceded with techniques of integration like substitution,by parts, trignometric substitution, partial fractions , trignometric integrals, and all.

Finally I understood the proof of volume of sphere. But till that I have learnt a large lot in calculus, I believe that was in 9 th most probably. – Ronak Agarwal · 2 years ago

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– Krishna Ar · 2 years ago

Cool. Thanks :) Really nice & inspiring read! (Shocking too, 'cause you got exposed to this branch of math so early! :P)Log in to reply

– Azhaghu Roopesh M · 2 years ago

Calc is good , isn't it Bio guy ? :PLog in to reply

– Krishna Ar · 2 years ago

I know not even a morsel of calculus, if what you, Ronak and other people know is equal to a ricecake.Log in to reply

– Azhaghu Roopesh M · 2 years ago

Now that you mention it ,it's been a long time since I've eaten one! And September 17 seems quite far away :(Log in to reply

And yes, questions were not from NCERT. – Karan Siwach · 2 years ago

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– Ronak Agarwal · 2 years ago

how much are you expecting, if you assume whatever you attempted and believe that you have done correctly is actually correct.Log in to reply

@Pratik Shastri ,@Mvs Saketh ,@Raghav Vaidyanathan ,@Vraj Mehta ,@Shashwat Shukla @Azhaghu Roopesh M .

Please comment. – Ronak Agarwal · 2 years ago

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