Let and where , be two points on the hyperbola . If is the point of intersection of the normals at and , then is equal to |
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a) |
b) |
c) |
d) |

Let and where , be two points on the hyperbola . If is the point of intersection of the normals at and , then is equal to |
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a) |
b) |
c) |
d) |

1 Answer - 5876 Votes

3537

**(d)**

Normals at are

Where and these pass through . Therefore,

and

Eliminating , we have