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If n is a positive integer, then (a+ib)^...

If n is a positive integer, then `(a+ib)^(m//n)+(a-ib)^(m//n)`

A

`2(a^n+b^2)^(m//2n)cos[m/nTan^(-1)b/a]`

B

`2(a^n+b^2)^(m//2n)sin[m/nTan^(-1)b/a]`

C

`2(a^n+b^2)^(m//2n)cot[m/nTan^(-1)b/a]`

D

`2(a^n+b^2)^(m//2n)tan[m/nTan^(-1)b/a]`

Text Solution

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The correct Answer is:
A
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