Final answer to the problem
$\frac{-1}{\left(x+a\right)^2}$
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Step-by-step Solution
Specify the solving method
1
Find the ($1$) derivative
$\frac{1}{x+a}$
2
Find the ($2$) derivative
$\frac{-1}{\left(x+a\right)^2}$
Final answer to the problem
$\frac{-1}{\left(x+a\right)^2}$