MATHEMATICS · Single correct · A Level · Mathematics · Differentiation · Differentiation
Problem
At any point on the curve 2x2y2−x4=c, the mean proportional between the abscissa and the difference between the abscissa and the subnormal drawn to the curve at that point is equal to
(a) ordinate
(b) radius vector
(c) x-intercept of tangent
(d) subtangent