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Find ""^15C2 + 2.""^15C3 + 3. ""^15C4 + ...

Find `""^15C_2 + 2.""^15C_3 + 3. ""^15C_4 + …..+ 14.""^15C_15 = ` ?

A

`13.2^14 - 1`

B

`13.2^14 + 1`

C

`12^14 + 1`

D

`12^14 - 1`

Text Solution

Verified by Experts

The correct Answer is:
B
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