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$\int\left(x^4+3x+1\right)^2dx$
Learn how to solve integral calculus problems step by step online. Find the integral of (x^4+3x+1)^2. Find the integral. Rewrite the integrand \left(x^4+3x+1\right)^2 in expanded form. Expand the integral \int\left(x^{8}+6x^{5}+2x^4+9x^2+6x+1\right)dx into 6 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int x^{8}dx results in: \frac{x^{9}}{9}.