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### AIEEE 2005 Preparation

The letter from a student along with its reply is being put up here as it is
of general interest to all the students.

> Dear Zuhaib,
>
> Right now only the talks are going on. If any declaration comes
officially,
> it will appear at 123iitjee.com .
>
> Right now, the preparation should be targeted towards subjective which
gives
> in depth understanding required at this stage.
>
> ----- Original Message -----
> Sent: Sunday, August 01, 2004 2:10 PM
>
>
> > name = Zuhaib Ahmad
> > comments = Respected Sir,
> > With due respect i want to bring in ur notice that
recently
> i came to know that from 2005 the examination of AIEEE will be divided
into
> two phases i.e screening and mains.It will be ur most kindness if u will
> inform me whether this news is true or not so that i could start my
> preparation likewise
> > thank you
> >
>

### 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 = ${}^{12}{C_6} = 924$