The focal chord to is tangent to , then the possible values of the slope of this chord, are |
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a) |
b) |
c) |
d) |

The focal chord to is tangent to , then the possible values of the slope of this chord, are |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(a)**

Here, the focal chord to is tangent to circle

focus of parabola is (4, 0)

Now, tangent are drawn from to

Since, is tangent to circle

or

Slope of focal chord as tangent to circle

127 votes

127