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Assertion (A) : In the (1+x)^50, the sum...

Assertion (A) : In the `(1+x)^50`, the sum of the coefficients of odd powers of x is `2^49`
Reason ( R) : The sum of coefficients of odd powers of x in `(1+x)^n` is `2^(n-1)`

A

`(2n^(n-1)-1)`

B

`(2^(n-1) +1)`

C

`(2^(n-2) + 1)`

D

`(2n^(n - 2) -1) `

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The correct Answer is:
A
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