Wednesday
April 16, 2014

Homework Help: Binomal Theorem

Posted by Tommy on Monday, August 4, 2008 at 7:12am.

1A> What is the coefficient of x^(2r) in the expansion of (1-x^2)^n, where n is a positive integer ?
1B> Find the coefficient of (1+x)^7 (1-x) ^8

Thanks for your help :)

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