Mathematics

Mathematics

Problem

Find ∫xsin⁡x dx\displaystyle \int x\sin x\,dx. a) −xcos⁡x−sin⁡x+C-x\cos x-\sin x+C b) xcos⁡x−sin⁡x+Cx\cos x-\sin x+C c) −xcos⁡x+sin⁡x+C-x\cos x+\sin x+C d) −xcos⁡x+C-x\cos x+C

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