Final answer to the problem
$\frac{4-4x}{\left(1-x\right)^{4}}$
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Step-by-step Solution
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1
Find the ($1$) derivative
$\frac{1-x+1+x}{\left(1-x\right)^2}$
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$\frac{1-x+1+x}{\left(1-x\right)^2}$
Learn how to solve problems step by step online. Find the higher order (2) derivative of (1+x)/(1-x). Find the (1) derivative. Find the (2) derivative. Simplifying.
Final answer to the problem
$\frac{4-4x}{\left(1-x\right)^{4}}$