1.

Coefficient of xn in (nC0+C1x+nC2x2......nCnxn)×(nC0+nC1×.....nCnxn) is

Answer»

Coefficient of xn in (nC0+C1x+nC2x2......nCnxn)×(nC0+nC1×.....nCnxn) is




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