1.

Find the coefficient of x8 in the following expansion (1+x)(1+x2)(1+x3)(1+x4)(1+x5).......(1+x98)(1+x99)(1+x100).

Answer»

Find the coefficient of x8 in the following expansion

(1+x)(1+x2)(1+x3)(1+x4)(1+x5)...

....(1+x98)(1+x99)(1+x100).



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