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The '''chain rule''' in [[calculus]] is a formula for determining the [[derivative]] of a composite function:
The '''chain rule''' in [[calculus]] is a formula for determining the [[derivative]] of a composite function:
:<math>f(g(x))' = f'(x)\times g'(x)</math>
The chain rule can also be expressed as:
:<math>\frac {dy}{dx} = \frac {dy} {du} \times \frac {du}{dx}.</math>
:<math>\frac {dy}{dx} = \frac {dy} {du} \times \frac {du}{dx}.</math>
[[category:mathematics]]
[[category:mathematics]]