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$\int\frac{2x^3-x^2+2x+4}{1+x^2}dx$
Learn how to solve problems step by step online. Integrate the function (2x^3-x^22x+4)/(1+x^2). Find the integral. Divide 2x^3-x^2+2x+4 by 1+x^2. Resulting polynomial. Expand the integral \int\left(2x-1+\frac{5}{1+x^2}\right)dx into 3 integrals using the sum rule for integrals, to then solve each integral separately.