1.

If x=a cos^(3) theta sin^(2) theta, y= a sin^(3) theta cos^(2) theta and ((x^(2)+y^(2))^(p))/((xy)^(q))(p, q, in N) is independent of theta, then

Answer»

`4p=5q`
`5p=4q`
`p+q=9`
`pq=20`

ANSWER :A


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