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If p and p' be perpendiculars from the o...

If p and p' be perpendiculars from the origin upon the straight lines `x sec theta+y"cosec"theta=a and x cos theta-y sin theta=a cos 2theta`, then the value of the expression `4p^(2)+p'^(2)` is :

A

`a^(2)`

B

`3a^(2)`

C

`2a^(2)`

D

`4a^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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