Search found 592 matches

by Masum
Tue Dec 07, 2010 7:40 pm
Forum: Test Forum
Topic: Forum Guide & Rules
Replies: 1
Views: 4121

Re: Forum Guide & Rules

Actually I just wanted to test Latex type because I got surprised,it indeed works.Sorry for a wrong post.
by Masum
Tue Dec 07, 2010 7:29 pm
Forum: National Math Olympiad (BdMO)
Topic: BdMO Higher secondary solutions
Replies: 13
Views: 10540

Re: BdMO Higher secondary solutions

Well,I am posting the solution to a problem(may be 9 or 10). The problem asked to find the number of odd coefficient in the expansion of $(a+b)^{2010}$.I am posting for exponent $n$.The number of odd coefficients is $2^m$ where $m$ is the number of $1's$ in the binary expansion of $n$.The rest is yo...