‘’ and ‘’ are two points on the parabola . If the focal chord joining them coincides with the normal chord, then |
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a) |
b) |
c) |
d) |
None of these |

‘’ and ‘’ are two points on the parabola . If the focal chord joining them coincides with the normal chord, then |
|||||||

a) |
b) |
c) |
d) |
None of these |

1 Answer - 5876 Votes

3537

**(d)**

For a focal chord and for the normal

Therefore, is imaginary