Question

Use your knowledge of the derivative to compute the value of the limit given below:
\lim_{h \rightarrow 0} \frac{\frac{1}{(x + h)^{9}} - \frac{1}{x^{9}}}{h} .


The value of the derivative is
\frac{dy}{dx} = .

Answer 1

find derivative of x^-9

Answer 2

(-9)/(x^10) thanks

Answer 3

this is 1st principles which is quite tedious given the powers...