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Integral of $$$\left(2 x + 1\right) \ln\left(x^{2} + 1\right)$$$

The calculator will find the integral/antiderivative of $$$\left(2 x + 1\right) \ln\left(x^{2} + 1\right)$$$, with steps shown.

Related calculator: Definite and Improper Integral Calculator

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Find $$$\int \left(2 x + 1\right) \ln\left(x^{2} + 1\right)\, dx$$$.

Related Notes: Substitution (Change of Variable) Rule , Integration by Parts , Concept of Antiderivative and Indefinite Integral , Integrals Involving Trig Functions , Trigonometric Substitutions In Integrals , Integrals Involving Rational Functions , Integration Formulas (Table of Indefinite Integrals) , Properties of Indefinite Integrals , Table of Antiderivatives