A circle with radius and centre on -axis slides along it and a variable lines through cuts the circle at points and . The region in which the point of intersection of tangents to the circle at point and lies is represented by |
|||||||

a) |
b) |
c) |
d) |

A circle with radius and centre on -axis slides along it and a variable lines through cuts the circle at points and . The region in which the point of intersection of tangents to the circle at point and lies is represented by |
|||||||

a) |
b) |
c) |
d) |

1 Answer

127 votes

**(a)**

Let the centre be equation of circle

Equation of chord of contact for is

It passes through

As is real

127 votes

127