MATHEMATICS · Single correct · CBSE · Mathematics · Continuity and Differentiability · Continuity and Differentiability
Problem
For the parametric equations x=f(t) and y=g(t) with f′(t)=0, the expression for the first derivative dxdy is
(a) dtdydtdx
(b) g′(t)f′(t)
(c) f′(t)g′(t)
(d) g′(t)−f′(t)