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What was I thinking? Not always!
{{Template:Math-h}}
{{Template:Math-h}}
The '''chain rule''' in [[calculus]] is a formula for determining the [[derivative]] of a [[functional composition|composite function]] through [[Change of variables|changing variables]] into a more convenient form:
The '''chain rule''' in [[calculus]] is a formula for determining the [[derivative]] of a [[functional composition|composite function]]:
:<math>f(g(x))' = f'(g(x))\times g'(x)</math>
:<math>f(g(x))' = f'(g(x))\times g'(x)</math>
The function r is sometimes called the ''path'' of the particle.
The function r is sometimes called the ''path'' of the particle.
Sometimes it might be helpful to [[Change of variables|change variables]] into a more convenient form before differentiating.
[[category:Calculus]]
[[category:Calculus]]
[[category:differentiation]]
[[category:differentiation]]