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3C0+5C1+7C2+ +(2n+3)Cn=2^n(n+3)...

`3C_0+5C_1+7C_2+ +(2n+3)C_n=2^n(n+3)`

A

`3^(n)(n+3)`

B

`2^(n)(n-3)`

C

`2^(n)(n+3)`

D

`3^(n)(n-3)`

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The correct Answer is:
A
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