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The goal of power substitution is to replace any nth root (which is difficult to integrate), with integer power, which is much easier to integrate.

\"使用Cymath數學問題求解器獲得x*e^x的積分的答案

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Derivative of xe^xcos(x) - Answer | Math Problem Solver - Cymath ... \\"Get

Tips on Rationalizing Denominators 1. Multiply numerator and denominator by a radical that will eliminate of the radical in the denominator.

A method of integration that simplifies the function by rewriting it in terms of a different variable. The goal is to transform the integral into another that is easier to solve.

Let’s look at an example in the next section. An Example of Integration by Parts Let's find the integral of the following function: