The sum of coefficients of integral po...

The sum of coefficients of integral powers of x in the binomial expansion of `(1-2sqrt(x))^(50)` is:
(1) `1/2(3^(50)+1)`
(2) `1/2(3^(50))`
(3) `1/2(3^(50)-1)`
(4) `1/2(2^(50)+1)`

A

`(1)/(2) (3^(50)+1)`

B

`(1)/(2) (3^(50))`

C

`(1)/(2)(3^(50)-1)`

D

`(1)/(2) (2^(50) +1)`

Verified by Experts

The correct Answer is:

A

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