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$\int\left(3x^2-5\cos\left(x\right)\right)dx$
Learn how to solve integral calculus problems step by step online. Find the antiderivative of (3x^2-5cos(x))dx. Find the integral. Expand the integral \int\left(3x^2-5\cos\left(x\right)\right)dx into 2 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int3x^2dx results in: x^{3}. The integral \int-5\cos\left(x\right)dx results in: -5\sin\left(x\right).