Which of the following gives the derivative of where and are differentiable and ?
MATHEMATICS · Single correct · CBSE · Mathematics · Continuity and Differentiability · Continuity and Differentiability
Problem
Which of the following gives the derivative of g(x)f(x) where f and g are differentiable and g(x)=0?
(a) [g(x)]2f′(x)g(x)+f(x)g′(x)
(b) g′(x)f′(x)
(c) [g(x)]2f′(x)g(x)−f(x)g′(x)
(d) g(x)f′(x)g(x)−f(x)g′(x)