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Thread: Please help

  1. #1
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    Please help

    Differentiate d/dx (1/2x sin2x + 1/4 cos2x) and hence find the integral from Pi/4 to 0 of xcos2x dx

    Please show all working

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    Re: Please help

    u mean from 0 to pi/4

    Anyway should be right if i didnt make silly errors

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