Quotient Rule
Used to take the Derivative of the quotient of two functions: $$ f(x) = {u(x)\over v(x)} $$
\[
f'(x) = {{u'v-uv'}\over v^2}
\]
Used to take the Derivative of the quotient of two functions: $$ f(x) = {u(x)\over v(x)} $$