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If (1+x)^n = C0 + C1 x+ C2 x^2 + …........

If `(1+x)^n = C_0 + C_1 x+ C_2 x^2 + ….....+ C_n x^n, ` then `C_0+2. C_1 +3. C_2 +….+(n+1) . C_n=`

A

`2^n +n2^(n-1)`

B

`2^(n-1) + n2^n`

C

`2^n+(n+1)2^n`

D

`2^(n-1) + (n-1) 2^n`

Text Solution

Verified by Experts

The correct Answer is:
A
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