Differentiation is used in maths for calculating rates of change ... the derived function \(f\textquotesingle(x)\). For an equation beginning \(y =\), the rate of change can be found by ...

We can calculate the gradient of a tangent to a curve by differentiating. In order to find the equation of a tangent, we: Differentiate the equation of the curve Substitute the \(x\) value into ...