Three normals are drawn to the curve \( y^{2}=x \) from a \( \mathr...

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Three normals are drawn to the curve \( y^{2}=x \) from a
\( \mathrm{P} \) point \( (c, 0) \). Out of three, one is always the \( x \)-axis. If
\( \mathrm{W} \) two other normals are perpendicular to each other, then ' \( c \) ' is:
(1) \( \frac{3}{4} \)
(2) \( \frac{1}{2} \)
(3) \( \frac{3}{2} \)
(4) 2
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