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Q.The value of ∑k=1nk(nk)\sum_{k=1}^{n} k \binom{n}{k} is

a
n2n−1n 2^{n-1}
b
n2nn 2^n
c
(n+1)2n−1(n+1) 2^{n-1}
d
n!2nn! 2^n

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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