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$\int\left(100k^3+40k^2+4k\right)dk$
Learn how to solve integral calculus problems step by step online. Integrate the function 100k^3+40k^24k. Find the integral. Expand the integral \int\left(100k^3+40k^2+4k\right)dk into 3 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int100k^3dk results in: 25k^{4}. The integral \int40k^2dk results in: \frac{40}{3}k^{3}.