Resuelve la integral

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✎ Solución paso a paso

1. 1
   $$\times \frac{e^x}{e^x}:=\int \frac{e^x}{e^{2x}+1}dx$$
2. 2
   $$u=e^x\Rightarrow du=e^{x}dx$$
3. 3
   $$=\int \frac{du}{u^2+1}=\arctan u$$

Más de sustitución

$$\int \frac{x}{(x^2+3{)}^4}dx$$

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$$\int \frac{\sqrt{\ln (x)}}{x}dx$$

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