1. Calculus Help: Integral ∫ x sin⁡(x/a)dx - Integration by parts - Techniques

    Calculus Help: Integral ∫ x sin⁡(x/a)dx - Integration by parts - Techniques

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  2. Calculus Help: Find the value of integral of x^2 lnx dx - Integration by parts

    Calculus Help: Find the value of integral of x^2 lnx dx - Integration by parts

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