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The sum of coefficients of integral p...

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(2^(50)-2)`

D

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

Text Solution

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The correct Answer is:
A
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