If p & q are lengths of perpendicular fr...

If `p` & `q` are lengths of perpendicular from the origin `x sin alpha + y cos alpha = a sin alphacos alpha` and `x cos alpha-y sin alpha = acos 2alpha,` then `4p^2 + q^2`

A

a

B

`2a`

C

`a^(2)`

D

`2a^(2)`

Verified by Experts

The correct Answer is:

C

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