If p_1 and p_2 are respectively length of perpendiculars from the origin to the straight lines x \sec\theta+y cosec\theta=a and x \cos\theta-y \sin\theta=a \cos 2\theta, then 4p_1^2+p_2^2=

KEAM 2015 Math Paper

Question : 74 of 120

Marks: +1, -0

If p1 and p2 are respectively length of perpendiculars from the origin to the straight lines x secθ+y cosecθ=a and x cosθ−y sinθ=a cos2θ, then 4p12+p22=

1
a2
1
a2
a
1
a

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