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The line 2x+y=1 is a tangent to the hyperbola x2a2−y2b2=1. If this line passes through the point of intersection of the directrix and x−axis, then eccentricity of hyperbola is

Answer» The line 2x+y=1 is a tangent to the hyperbola x2a2y2b2=1. If this line passes through the point of intersection of the directrix and xaxis, then eccentricity of hyperbola is


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