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anonymous

  • one year ago

Find the derivative: x/(x^2+1)^1/2. Would greatly appreciate any help as I'm getting stuck in working out the problem just before I get to the answer! Thank you!

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  1. IrishBoy123
    • one year ago
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    \[\frac{x}{(x^2+1)^{1/2}}\] you are *differentiating* this? [it looks like an easy integral]

  2. UnkleRhaukus
    • one year ago
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    if you are differentiating, you can use the quotient rule, and the chain rule

  3. IrishBoy123
    • one year ago
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    or the product rule [personal bug bear, why does the quotient rule even exist?]

  4. anonymous
    • one year ago
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    On that note, why have any rule? All we really need is the definition ;)

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