Question: A circle has equation (x 1) 2 + y 2 = k, where k > 0.The straight line L with equation y = ax

A circle has equation (x − 1)2 + y2 = k, where k > 0.The straight line L with equation y = ax cuts the circle at two distinct points. Prove that


k> 9 1 + a

k> 9 1 + a

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