Tangent to a Rectangular Hyperbola at a General Point
At $$P(x_1,y_1)$$ on:
$$xy=c^2$$
the tangent is:
$$xy_1+x_1y=2c^2$$
Usage
- Used when the coordinates of the point of contact are given.
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CAT Formulas
Hyperbola
Tangent to a Rectangular Hyperbola at a General Point
Tangent to a Rectangular Hyperbola at a General Point
At $$P(x_1,y_1)$$ on:
$$xy=c^2$$
the tangent is:
$$xy_1+x_1y=2c^2$$
Usage
- Used when the coordinates of the point of contact are given.
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