The quotient rule proof can be quite tedious if we are only allowed to use the definition of the derivative. In this post, this presents an alternative way of proving the quotient rule if we are allowed to use the product rule.
The Quotient Rule:
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Richard Kohar — Adventures into Mathematics
![\left( \dfrac{f(x)}{g(x)}\right)' = \dfrac{f'(x) \cdot g(x) - f(x) \cdot g'(x)}{[g(x)]^2}](https://kohar.ca/wp-content/ql-cache/quicklatex.com-74b0ecec0a641533a7a2fdde090f4fc3_l3.png "Rendered by QuickLaTeX.com")
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