If two normals to a parabola intersect at right angles, then the chord joining their feet passes through a fixed point whose co-ordinates are |
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a) |
(,0) |
b) |
c) |
d) |
None |

If two normals to a parabola intersect at right angles, then the chord joining their feet passes through a fixed point whose co-ordinates are |
|||||||

a) |
(,0) |
b) |
c) |
d) |
None |

1 Answer - 5876 Votes

3537

**(b)**

Slope of normal at point and is and respectively

Equation of chord joining and is

Or

But

Chord is

Or

Which passes through the fixed point