If the curves x^2 + y^2 4 = 1 and y^3 = 16x intersect at right angles, then a value of α is :

JEE Main 2013 Mathematics question

If the curves and intersect at right angles, then a value of α is :

Answer: (2)

Slopes: ellipse ; curve . Orthogonality :

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Question ID VK-104156