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The value of (""^(7)C(0)+""^(7)C(1))+(""...

The value of `(""^(7)C_(0)+""^(7)C_(1))+(""^(7)C_(1)+""^(7)C_(2))+...+(""^(7)C_(6)+""^(7)C_(7))` is

A

`2^(8)-1`

B

`2^(8)+1`

C

`2^(8)`

D

`2^(8)-2`

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The correct Answer is:
D
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