Question
Find an equation for the line that is tangent to the curve $y=(1-x) /(1+x)$ at the point where $x=2.$
Step 1
We will use the quotient rule which states that the derivative of $f(x)/g(x)$ is $f'(x)g(x) - f(x)g'(x) / [g(x)]^2$. Here, $f(x) = 1-x$ and $g(x) = 1+x$. Show more…
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Key Concepts
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