Binomial TheoremMedium
Question
If Cr stands for nCr, then the sum of first (n + 1) terms of the series a C0 − (a + d) C1 + (a + 2d) C2 − (a + 3d) C3 + ... is-
Options
A.a/2n
B.na
C.0
D.None of these
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