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The 43rd Convocation of IIT Madras will be held on Friday, the 28th July, 2006 at 4.00 p.m. at the Students Activity Centre (SAC) of the Institute.

Mr Ratan Tata, Tata Sons, Mumbai is the Chief Guest of the Convocation.

Live webcast of this event can be watched at:

http://www.chennaionline.com/iitconvocation

Sum of the coefficients in the expansion of $(x+y)^n$ ....

If the sum of the coefficients in the expansion of $(x+y)^n$ is 4096, then the greatest coefficient in the expansion is _ _ _ _ . Solution $C_0 + C_1 + C_2 + C_3 + ......................... + C_n =4096 $ $\therefore 2^n = 4096 =2^{12} $ $\Rightarrow n = 12 $ Greatest coefficient = ${}^{12}{C_6} = 924$

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Sum of the coefficients in the expansion of $(x+y)^n$ ....