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Value of -^(15)C(1) + 2..^(15)C(2)- 3.^(...

Value of `-^(15)C_(1) + 2..^(15)C_(2)- 3.^(15)C_(3) + ...... - 15.^(15)C_(15)+ ^(15)C_(1)+ ^(15)C_(2)+ ....^(15)C_(14)` is

A

`2^15`

B

`2^15-2`

C

`2^15-1`

D

`2^14-2`

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