Search found 592 matches
- Tue Dec 07, 2010 7:40 pm
- Forum: Test Forum
- Topic: Forum Guide & Rules
- Replies: 1
- Views: 8308
Re: Forum Guide & Rules
Actually I just wanted to test Latex type because I got surprised,it indeed works.Sorry for a wrong post.
- Tue Dec 07, 2010 7:29 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO Higher secondary solutions
- Replies: 13
- Views: 14569
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...