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Prove that ""^(10)C(2)+2xx^(10)C(3)+^(10...

Prove that `""^(10)C_(2)+2xx^(10)C_(3)+^(10)C_(4)=^(12)C_(4)`

A

`2^(20) - 2^(5)`

B

`(20!)/(5!15!)`

C

`(20!)/(5!15!) -1`

D

`(20!)/(5!15!) - (15!)/(5!10!)`

Text Solution

Verified by Experts

The correct Answer is:
D
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