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If the two tangents drawn from a point P...

If the two tangents drawn from a point P to the parabola ` y^(2) = 4x ` are at right angles then the locus of P is

A

2x-1=0

B

x=1

C

2x+1=0

D

x=-1

Text Solution

Verified by Experts

The correct Answer is:
D

4
The locus of the perpendicular tangents is the directrix , hance, the locus of P is x=-1.
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