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

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

k

B

`2k`

C

`k^(2)`

D

`2k^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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