## Search found 92 matches

Tue Jan 14, 2014 10:04 pm
Topic: Barisal Secondary 2013 / 8
Replies: 12
Views: 3867

### Re: Barisal Secondary 2013 / 8

Mahi, Why don't you explain the Jensen's Inequality ? There is a formula that I think you can find in Plane Euclidean Geometry. $AI = \frac{r}{sin(A/2) }$ $BI = \frac{r}{sin(B/2)}$ $CI = \frac{r}{sin(C/2)}$ Here $r$ is the inradius. In the interval $[0, \pi]$, $sin(\frac{x}{2})$ is a concave...
Tue Jun 26, 2012 6:43 pm
Forum: Geometry
Topic: Solve it Quick : Circles and Squares..
Replies: 2
Views: 980

### Solve it Quick : Circles and Squares..

A circle intersects a square at 8 distinct points. Prove that the sum of the areas of the circle that lies outside the square and the sum of areas of the square which lies outside the square are equal.

Pls. Solve it Quickly. I need it ASAP!
Sat Mar 31, 2012 12:11 pm
Forum: National Math Camp
Topic: A Plan
Replies: 15
Views: 3354

### Re: A Plan

And it will be very helpful if we can discuss the ways to think when we get a problem.
The tools that we use, etc
Sat Mar 31, 2012 12:10 pm
Forum: National Math Camp
Topic: A Plan
Replies: 15
Views: 3354

### Re: A Plan

sourav das wrote:Fahim and I've an unofficial plan for this week. If everyone wants to work really hard and interested, we can share it with you....
Sourav, I am interested, Could u share it please? And i need a lot of help in NT.
Fri Mar 30, 2012 7:16 am
Forum: National Math Camp
Topic: An IMO problem (BOMC-2)
Replies: 3
Views: 1309

### Re: An IMO problem (BOMC-2)

Nice! Its wonderful to see how little things are so helpful in problems!
Thu Mar 29, 2012 9:31 pm
Forum: National Math Camp
Topic: দ্বিতীয় বাংলাদেশ অনলাইন গণিত ক্যাম্প
Replies: 57
Views: 11058

### Re: দ্বিতীয় বাংলাদেশ অনলাইন গণিত ক্যাম্প

So, tomorrow are we having the mock exam? Is the camp being extended to one more week?
Thu Mar 29, 2012 8:08 pm
Forum: National Math Camp
Topic: দ্বিতীয় বাংলাদেশ অনলাইন গণিত ক্যাম্প
Replies: 57
Views: 11058

### Re: দ্বিতীয় বাংলাদেশ অনলাইন গণিত ক্যাম্প

@Fahim and @Sourav,
Why dont we do sth? Lets have a mock tomorrow and lets continue the discussion for another week and then have the exam? Shudnt that be better?? In that way we cud discuss more.
Thu Mar 29, 2012 7:17 pm
Forum: National Math Camp
Topic: দ্বিতীয় বাংলাদেশ অনলাইন গণিত ক্যাম্প
Replies: 57
Views: 11058

### Re: দ্বিতীয় বাংলাদেশ অনলাইন গণিত ক্যাম্প

Then when is the exam? Is it tomorrow?
Thu Mar 29, 2012 4:42 pm
Forum: National Math Camp
Topic: দ্বিতীয় বাংলাদেশ অনলাইন গণিত ক্যাম্প
Replies: 57
Views: 11058

### Re: দ্বিতীয় বাংলাদেশ অনলাইন গণিত ক্যাম্প

It will be better if the time is extended. And please can anyone tell me the details about the exam?
Sun Mar 11, 2012 9:13 am
Forum: Number Theory
Topic: ACOPS- NT problem
Replies: 3
Views: 1296

### ACOPS- NT problem

Find all $x$ such that $x^2+ 2$ is a prime.