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