The sum of coefficient in the expansion ...

The sum of coefficient in the expansion of `(1+3x-3x^(2))^(1143)` is equal to a)-1 b)0 c)1 d)`2^(1143)`

A

`-1`

B

0

C

1

D

`2^(1143)`

Verified by Experts

The correct Answer is:

C

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