<aside> ⛓️ $(f \circ g)’a = f’(g(a))g’(a)$

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• If the composite function $f(g(x))$ is diffrentiable on an interval $x \in (a,b)$, then its derivative function for $x \in (a,b)$ is given by $\frac{d}{dx}f(g(x)) = f’(g(x))g’(x)$