1.

If the chords of tangents form two points (−4,2) and (2,1) to the hyperbola x2a2−y2b2=1 are at right angle, then the eccentricity of the hyperbola is

Answer»

If the chords of tangents form two points (4,2) and (2,1) to the hyperbola x2a2y2b2=1 are at right angle, then the eccentricity of the hyperbola is



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