The expansion 1+x,1+x+x^(2),1+x+x^(2)+x^(3),….1+x+x^(2)+…+x^(20) a | Filo

Class 12

Math

Algebra

Binomial Theorem

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The expansion are multipled together and the terms of the product thus obtained are arranged in increasing powers of in the form of , then,
Sum of coefficients of even powers of is

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