Partial fractions, distinct quadratic factors, example 3 (KristaKingMath)

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Learn how to use partial fractions to calculate the integral of a rational function, which is the quotient of two polynomials, that has distinct quadratic factors in its denominator. To use partial fractions, you'll set up your partial fractions decomposition and then use simultaneous equations to solve for constants, then take the integral of the simplified decomposition. You may need to separate your fractions into their own integrals, and use u-substitution, or the integration formula with the inverse tangent.

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