Given
[tex]f(x)=\frac{1}{5x-6}[/tex]To find the derivative of the give function,we apply below exponent rule first:
[tex]\frac{1}{a}=a^{-1}[/tex]So,
Next, we apply the chain rule:
So,
We substitute back u=(5x-6):
Simplify:
Therefore, the answer is:
[tex]=-\frac{5}{(5x-6)^2}[/tex]