Prove that the curves x = y 2 and xy = k cut at right angles if – InterviewSolution

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1.	Prove that the curves x = y 2 and xy = k cut at right angles if 8 k 2 = 1. [ Hint : Two curves intersect at right angle if the tangents to the curves at the point of intersection are perpendicular to each other. ]
Answer» Prove that the curves x = y 2 and xy = k cut at right angles if 8 k 2 = 1. [ Hint : Two curves intersect at right angle if the tangents to the curves at the point of intersection are perpendicular to each other. ]

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