This discussion board is a place to discuss our Daily Challenges and the math and science
related to those challenges. Explanations are more than just a solution — they should
explain the steps and thinking strategies that you used to obtain the solution. Comments
should further the discussion of math and science.

When posting on Brilliant:

Use the emojis to react to an explanation, whether you're congratulating a job well done , or just really confused .

Ask specific questions about the challenge or the steps in somebody's explanation. Well-posed questions can add a lot to the discussion, but posting "I don't understand!" doesn't help anyone.

Try to contribute something new to the discussion, whether it is an extension, generalization or other idea related to the challenge.

Stay on topic — we're all here to learn more about math and science, not to hear about your favorite get-rich-quick scheme or current world events.

Markdown

Appears as

*italics* or _italics_

italics

**bold** or __bold__

bold

- bulleted - list

bulleted

list

1. numbered 2. list

numbered

list

Note: you must add a full line of space before and after lists for them to show up correctly

Math. All math. Algebra, Geometry, Probability, Trigonometry, Calculus etc. Don't worry about the last two, most will be Algebra and Geometry problems. You can try the sample problem i posted :)

@Guillaume Martin
–
I don't. If a competitor tries to give a similar answer to an already posted clever answer, they risk being caught because of the similarity, or risk losing clarity points due to not being able to replicate the answer. If they understand the concept clear enough to properly replicate a solution, shouldn't they be smart enough to think of it in the first place? That way, they risk losing even more points trying to copy ans answer, and that is why most won't try that. As such there is no way I can prevent others from seeing your solutions in a contest, unless I shared my email, which I would rather not :)

Hi! With everything you have to do, I just wanted to point out that the problems 4-5 are on your profile but not on the Mathathon links page. Keep up the good work, you are amazing!!

Easy Math Editor

This discussion board is a place to discuss our Daily Challenges and the math and science related to those challenges. Explanations are more than just a solution — they should explain the steps and thinking strategies that you used to obtain the solution. Comments should further the discussion of math and science.

When posting on Brilliant:

`*italics*`

or`_italics_`

italics`**bold**`

or`__bold__`

boldNote: you must add a full line of space before and after lists for them to show up correctlyparagraph 1

paragraph 2

`[example link](https://brilliant.org)`

`> This is a quote`

Remember to wrap math in`\(`

...`\)`

or`\[`

...`\]`

to ensure proper formatting.`2 \times 3`

`2^{34}`

`a_{i-1}`

`\frac{2}{3}`

`\sqrt{2}`

`\sum_{i=1}^3`

`\sin \theta`

`\boxed{123}`

## Comments

Sort by:

TopNewestHi @Percy Jackson, When will the final problem be posted?

Log in to reply

Posted. Sorry, I really messed up the schedule. All problems are here now.

Log in to reply

Okay... but IDK how to solve integrals. Can I take some help?

Log in to reply

When will the results be posted??

Log in to reply

Still waiting, @Percy Jackson

Log in to reply

Can we write on paper and send a scanned photo? Don't worry, my handwriting is legible :D

Log in to reply

Sure, anything is fine as long as is understandable. You will have to draw diagrams if necessary. Points will be awarded accordingly :)

Log in to reply

Okay

Log in to reply

Also, can we code the answer??

Log in to reply

Yes, but a proper solution will gain more points.

Log in to reply

Any extra credit for both?

Log in to reply

Log in to reply

Log in to reply

What is the estimated "portion"?

Log in to reply

I don't know things like integration, but I do know trigonometry, for example. So if I do not post solutions for such problems, is it fine?

Log in to reply

Yes, but you will lose those points. Questions will not be too difficult.

Log in to reply

Log in to reply

Math. All math. Algebra, Geometry, Probability, Trigonometry, Calculus etc. Don't worry about the last two, most will be Algebra and Geometry problems. You can try the sample problem i posted :)

Log in to reply

Yeah, I did that. But my solution was similar to yours, so I won't post one until I find a good way!

Log in to reply

I would love to participate but I’ve just found out about this today, is it too late ?

Log in to reply

I am sorry but yes, the participant limit has been reached. I will ping you if anyone wants out of the contest :)

Log in to reply

Reassure me : during the mathathon, answers posted by competitors won't be available for reading before April the $2^{nd}$.

Is that true ?

Log in to reply

No, the problems and solutions will be open to everyone on brilliant.org.

Log in to reply

So, how do you prevent a competitor "to be inspired" by already posted explanation ?

Log in to reply

Log in to reply

Reminder: if a member leaves, I can joint to mathathon

Log in to reply

👍

Log in to reply

Did I miss something, or have only three problems been posted so far?

Log in to reply

Only three, I was a bit busy, I will post the rest today.

Log in to reply

Hi, where have the problems been posted ??

Log in to reply

Only 3 have been posted so far. You can find them in my profile or in the Mathathon links page.

Log in to reply

Where have they been posted ??

Log in to reply

here

The links to problems can be foundLog in to reply

Log in to reply

Log in to reply

Hi! With everything you have to do, I just wanted to point out that the problems 4-5 are on your profile but not on the Mathathon links page. Keep up the good work, you are amazing!!

Log in to reply

Yes, I will add them...

Log in to reply

Hi Percy, I may not be available until this weekend :( if you are to give points before that time I may have to just quit halfway through :P

Log in to reply

Today is the last day to post your solutions.

Log in to reply

Well you can give points now :) I’m posting the rest at the weekend :) I’ll just quit now :/

Log in to reply

Log in to reply

I would like to participate

Log in to reply

You have been added sir :)

Log in to reply

Thanks

Log in to reply

@Percy Jackson In problem 7, is the angle given between the ground and the birds line of view or between the tree and the line of view.

Log in to reply

Angle of depression from bird to the lion and elephant. Try to draw a diagram, it will be clearer.

Log in to reply