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If x^m occurs in the expansion of (x+(1/...

If `x^m` occurs in the expansion of `(x+(1/x^2))^(2n)` then the coefficient of `x^m` is

A

`((2n)!)/((((2n-m)/3)!)((4n+m)/3)!)`

B

`((2n)!)/(n!(2n-m)!)`

C

`(2n)!3!3!/(2n-m)!`

D

none of these

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The correct Answer is:
A
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PATHFINDER-BINOMIAL THEOREM-QUESTION BANK
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