Constant-multiple rule

The constant-multiple rule in differentiation is that the derivative of a function <math>f(x)</math> multiplied by a scalar <math>a</math> is:

<math> \frac{d}{dx}(a f(x)) = a \frac{df}{dx} </math>

Rules for finding derivatives

• Power rule
• Constant-multiple rule
• sum rule
• Chain rule
• Product rule
• Quotient rule