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JEE Main 2007Medium

Q.The condition that the line xcosα+ysinα=px \cos \alpha + y \sin \alpha = p may touch the parabola y2=4axy^2 = 4ax is

a
pcosα=ap \cos \alpha = a
b
psinα=ap \sin \alpha = a
c
p=asecαp = a \sec \alpha
d
p=atanαp = a \tan \alpha

Correct Answer: Option C

The correct solution involves applying the fundamental concept to derive the final value step by step...

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