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  • The sum of coefficients in the expansion of (1 + x –3y<span style="fon

The sum of coefficients in the expansion of (1 + x –3y2)2163 is

Option: 1

1


Option: 2

-1


Option: 3

2^{2163}


Option: 4

none of these


Answers (1)

For sum of coefficient put x = 1 and y = 1.

Hence (B) is the correct answer.

 

Posted by

Ramraj Saini

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