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Chain Rule

Chain Rule (Question)

Differentiate the following functions using chain rule.

  1. y = (x+1)2
  2. y = 1/(x+1)

Guide:

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

Chain Rule (Answer)

  1. 2x+2
  2. -1/(x+1)2

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