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If a cos^(3) alpha+3a cos alpha sin^(2) ...

If `a cos^(3) alpha+3a cos alpha sin^(2) alpha=m` and `a sin^(3) alpha+3a cos^(2)alpha sin alpha = n`. Then, `(m+n)^(2//3) + (m-n)^(2//3)` is equal to

A

`2a^(2)`

B

`2a^(2//3)`

C

`a^(2//3)`

D

`2a^(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
2
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