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

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

A

x=1

B

`2x +1= 0`

C

`x= -1`

D

`2x- 1= 0`

Text Solution

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The correct Answer is:
C
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