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C1 + 2. C2 + 3. C3 + …... + n. Cn=...

`C_1 + 2. C_2 + 3. C_3 + …... + n. C_n=`

A

`n. 2^n`

B

`n. 2^(n-1)`

C

`(n+1)2^n`

D

`(n-1).2^n`

Text Solution

Verified by Experts

The correct Answer is:
B
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