# Chain Rule

**Chain Rule (Question)**

Differentiate the following functions using chain rule.

- y = (x+1)
^{2} - y = 1/(x+1)

*Guide:*

*dy/dx = dy/du * du/dxWherey = f(u)u = g(x)This differentiation rules is normally applied to a composite function. *

**Chain Rule (Answer)**

- 2x+2
- -1/(x+1)
^{2}

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