1.

The normal at any point P on the ellipse x2a2+y2b2=1 (a>b) meets the x-axis at A and y-axis at B. If PA:PB=1:4, then the eccentricity of the ellipse is

Answer»

The normal at any point P on the ellipse x2a2+y2b2=1 (a>b) meets the x-axis at A and y-axis at B. If PA:PB=1:4, then the eccentricity of the ellipse is



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