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