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$\int\left(4ab^2-4abn+an^2\right)db$
Learn how to solve integral calculus problems step by step online. Factor the expression 4ab^2-4abnan^2. Find the integral. Expand the integral \int\left(4ab^2-4abn+an^2\right)db into 3 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int4ab^2db results in: 2a^2b^2-4\int ba^2db. The integral \int-4abndb results in: -2a^2b+\frac{2}{3}a^{3}.