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If p and p' be the distances of origin f...

If p and p' be the distances of origin from the lines `x secalpha + y"cosec" alpha = k and x cosalpha - y sinalpha = k cos 2alpha`then `4p^2 +p'^2`

A

k

B

2k

C

`k^2`

D

`2k^2`

Text Solution

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The correct Answer is:
C
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