Subject - Mathematics:

General

MCQ - 175-8907

Question:

If the chords of contact of tangents from two points (x₁,y₁) and (x₂,y₂) to the hyperbola $\frac{x2}{a2}$ - $\frac{y2}{b2}$ = 1 are at right angles, then $\frac{x1x2}{y1y2}$ is equal to

- $\frac{a2}{b2}$
- $\frac{b2}{a2}$
- $\frac{b4}{a4}$
- $\frac{b2}{a2}$

Correct Answer: D

Explanation:

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