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$\int e^{-3}x\sin\left(e^{-1}x\right)dx$
Learn how to solve integral calculus problems step by step online. Find the integral of e^(-3)xsin(e^(-1)x). Find the integral. Simplify the expression inside the integral. The integral of a function times a constant (\frac{1}{e^{3}}) is equal to the constant times the integral of the function. We can solve the integral \int x\sin\left(\frac{1}{e}x\right)dx by applying integration by parts method to calculate the integral of the product of two functions, using the following formula.