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If the chords of contact of tangents fro...

If the chords of contact of tangents from two poinst `(x_1, y_1)` and `(x_2, y_2)` to the ellipse `(x^2)/(a^2)+(y^2)/(b^2)=1` are at right angles, then find the value of `(x_1x_2)/(y_1y_2)dot`

A

`a^(2)/b^(2)`

B

`-b^(2)/a^(2)`

C

`-a^(4)/b^(4)`

D

`b^(4)/a^(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
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