MCQ
If y is a differentiable function of u and u is a differentiable function of x, then what is the formula for chain rule ?
- ✓$\frac{dy}{dx}=\frac{dy}{du} \times \frac{du}{dx}$
- B$\frac{dy}{dx}=\frac{dy}{du} + \frac{du}{dx}$
- C$\frac{dy}{dx}=\frac{du}{dy} \times \frac{du}{dx}$
- D$\frac{dy}{dx}=\frac{dy}{du} \times \frac{dx}{du}$