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Evaluate the indefinite integral. Illustrate, and check that your answer is reasonable, by graphing both the function and its antiderivative (take $ C = 0 $).

$ \displaystyle \int x^2 \sin 2x dx $

$\frac{x \cdot \sin 2 x}{2}+\frac{\left(1-2 x^{2}\right) \cos 2 x}{4}$

Integration Techniques

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