Question
Use $f^{\prime}(x)=\lim _{h \rightarrow 0}[f(x+h)-f(x)] / h$ to find the derivative at $x$.$$h(x)=\frac{2}{x}$$
Step 1
This gives us $h(x+h)-h(x)$, which simplifies to $\frac{2}{x+h}-\frac{2}{x}$. Show more…
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