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Math Help - Integration

  1. #1
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    Exclamation Integration

    How do you find the the integral of sin(√x)/x??
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  2. #2
    MHF Contributor Mathstud28's Avatar
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    Quote Originally Posted by Jonny-123 View Post
    How do you find the the integral of sin(√x)/x??
    \int\frac{\sin(\sqrt{x})}{\sqrt{x}}dx=2\int\frac{\  sin(\sqrt{x})}{2\sqrt{x}}dx
    Is it more obvious now?

    If not

    Let \xi=\sqrt{x}

    So then d\xi=\frac{1}{2\sqrt{x}}

    So we have

    2\int\sin(\xi)d\xi

    Can you go from there?
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