Binomial TheoremHard

Question

If (1 + x)n = C0 + C1x + C2x2 + ...Cn. xn then the value of C0 + 3C1 + 5C2 + .....+ (2n + 1) Cn is-

Options

A.n.2n
B.(n − 1).2n
C.(n + 2).2n-1
D.(n + 1).2n

Solution

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