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If (1+x+x^2)^n=a0+a1x+a2(x^2)+....+a2nx(x^2n) then the value of a0+a3+a6..... is?

If (1+x+x^2)^n=a0+a1x+a2(x^2)+....+a2nx(x^2n) then the value of a0+a3+a6..... is?

Grade:11

1 Answers

Ujjawal Arya
39 Points
8 years ago
its so easy..................... just put x=1;x=w;x=w^2; in 3 different steps & add all of them to get the required result

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