The value of \( C_{0}+3 C_{1}+5 C_{2}+7 C_{3} \ldots+(2 n+1) C_{n} \) (A) \( 2^{n} \) (B) \( 2^{...

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The value of \( C_{0}+3 C_{1}+5 C_{2}+7 C_{3} \ldots+(2 n+1) C_{n} \)
(A) \( 2^{n} \)
(B) \( 2^{n}+n \cdot 2^{n-1} \)
(C) \( 2^{n} \cdot(n+1) \)
(D) none of these
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