The tangent at a point on the hyperbola passes through the point () and the normal at passes through the point then eccentricity of the hyperbola is |
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a) |
2 |
b) |
c) |
3 |
d) |

The tangent at a point on the hyperbola passes through the point () and the normal at passes through the point then eccentricity of the hyperbola is |
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a) |
2 |
b) |
c) |
3 |
d) |

1 Answer

127 votes

**(b)**

Equation of tangent at is

It passing through So,

Equation of normal is

Which passes through . Hence,

Now lies on the hyperbola

127 votes

127