Math, asked by archinichi, 1 year ago

the coefficient of
{x}^{n \: }
in the expansion of
(1 + x)(1 - x) ^{n}
is...please answer soon..EAMCET question...

Answers

Answered by satapathyaradhana46
0
Hey mate your answer to the question is

the coefficient of x^2 in the following equation is ( - 1 )

hope it helps you.
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