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The coefficient of x ^(24) in (1+ x^(2))...

The coefficient of `x ^(24)` in `(1+ x^(2)) ^(12)(1+ x^(12))(1+ x ^(24))` is-

A

`""^(12) C_(6)+1`

B

`""^(12)C_(6)`

C

`""^(12)C_(6) +3`

D

`""^(12)C_(6)+2`

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The correct Answer is:
D
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