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$\int\frac{x^2}{x^2+1}dx$
Learn how to solve integral calculus problems step by step online. Find the integral of (x^2)/(x^2+1). Find the integral. Divide x^2 by x^2+1. Resulting polynomial. Expand the integral \int\left(1+\frac{-1}{x^2+1}\right)dx into 2 integrals using the sum rule for integrals, to then solve each integral separately.