Question

The formula \(\frac{dy}{dx}=\frac{\frac{dy}{dt}}{\frac{dx}{dt}}\) is based on which rule?

Options

• The chain rule

• The product rule

• The power rule only

• The quotient rule

Answer 1

The derivative formula for parametric functions follows from the chain rule. It relates the rates of change of \(x\) and \(y\) with respect to the common parameter.