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Prove that the improper integral $$\int_0^{\infty}\frac{x-\sin x}{x^{7/2}}\ dx$$ diverge or converge.

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    '^7/2' is asked2012-12-12
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    You *must* enclose your formulae between dollar signs otherwise it is almost unreadable.2012-12-12
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    The result is $4\sqrt{2\pi}/15$ :)2012-12-12

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