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- Integrate by partial fractions
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- Weierstrass Substitution
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- Integrate using basic integrals
- Product of Binomials with Common Term
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Simplify the expression inside the integral
Learn how to solve integrals of rational functions problems step by step online.
$\int\frac{1}{x^2+9}dx$
Learn how to solve integrals of rational functions problems step by step online. Find the integral int(1/(xx^2^1/2+9))dx. Simplify the expression inside the integral. Solve the integral by applying the formula \displaystyle\int\frac{x'}{x^2+a^2}dx=\frac{1}{a}\arctan\left(\frac{x}{a}\right). Simplify the expression inside the integral. As the integral that we are solving is an indefinite integral, when we finish integrating we must add the constant of integration C.