Binomial TheoremMedium
Question
f C0,C1, C2, ....Cn are binomial coefficients of different terms in the expansion of (1 + x)n then C0 − 2.C1 + 3.C2 − 4.C3 + .....+ (−1)n .(n + 1) Cn equals-
Options
A.− n.2n-1
B.0
C.2n-1. 2(2 - n)
D.None of these
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