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If two tangents drawn from a point $P$ to the parabola $y^2=4 x$ are at right angles, then the locus of $P$ is
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1962 Upvotes
Verified Answer
The correct answer is:
$x=-1$
$x=-1$
The locus of perpendicular tangents is directrix
$$
\text { i.e, } x=-a ; x=-1
$$
$$
\text { i.e, } x=-a ; x=-1
$$
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