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If n is a positive integer then in the t...

If n is a positive integer then in the trinomial expansion of `(x^2+2x+2)^n` coefficient is

A

x is `2^n.n`

B

`x^2` is `n^2 .2^(n-1)`

C

`x^3` is `2^n. ^(n+1)C_3`

D

All of these

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A, B, C, D
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PATHFINDER-BINOMIAL THEOREM-QUESTION BANK
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