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if x = a cos^3 theta sin^2 theta and y ...

if ` x = a cos^3 theta sin^2 theta and y = a cos^2 theta sin^3 theta` and `(x^2 + y^2)^p/(xy)^q` is independent of `theta`, then (A) `4p=5q` (B) `5p=4q` (C) `p+q=9` (D) `pq=20`

A

4P=5Q

B

5P=4Q

C

`P+Q=9

D

PQ=20

Text Solution

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The correct Answer is:
A
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