Question
Use the specified substitution to find or evaluate the integral.$\int_{1}^{3} \frac{d x}{\sqrt{x}(1+x)}$$u=\sqrt{x}$
Step 1
Step 1: First, we substitute $u=\sqrt{x}$, which implies $du=\frac{1}{2\sqrt{x}}dx$ or $dx=2udu$. Show more…
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