1.

A circle of radius ‘r’ is concentric with the ellipse x2a2+y2b2=1 .Then inclination of common tangent with major axis is _______(b<r<a)

Answer»

A circle of radius ‘r’ is concentric with the ellipse x2a2+y2b2=1 .Then inclination of common tangent with major axis is _______(b<r<a)



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