Problem

Problem

Statement I If there exist points on the circle x2+y2=λ2x^2 + y^2 = \lambda^2 from which two perpendicular tangents can be drawn to the parabola y2=2xy^2 = 2x , then λ≥12\lambda \ge \frac{1}{2} . Statement II Perpendicular tangents to the parabola meet at the directrix.

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