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Chord of Contact
For an external point $$P(x_1,y_1)$$, the chord joining the points of contact of the two tangents is:
$$\frac{xx_1}{a^2}-\frac{yy_1}{b^2}=1$$
Usage
- Used to find the chord of contact of tangents drawn from a point.
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Chord of Contact
For an external point $$P(x_1,y_1)$$, the chord joining the points of contact of the two tangents is:
$$\frac{xx_1}{a^2}-\frac{yy_1}{b^2}=1$$
Usage
- Used to find the chord of contact of tangents drawn from a point.
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