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mathcalculus Group Title

athcalculus HELP: use your knowledge of the derivative to compute the limit given below: lim ((1/(x+h)^6)-(1/(x^6))/h h->0 the derivative that is being calculated is dy/dx

  • one year ago
  • one year ago

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  1. mathcalculus Group Title
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    is it -6/(x-h)?

    • one year ago
  2. mathcalculus Group Title
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    thinkg the quotient rule first?

    • one year ago
  3. mathcalculus Group Title
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    since it's a fraction

    • one year ago
  4. pgpilot326 Group Title
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    have a look at this... you obviously have missed a few things in your class http://tutorial.math.lamar.edu/Classes/CalcI/DefnOfDerivative.aspx

    • one year ago
  5. mathcalculus Group Title
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    yes, i did.. it;s a summer session so we skipped a few.

    • one year ago
  6. pgpilot326 Group Title
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    ps, i'm not bagging on you but am attempting to help. if you realize they've given you the definition of the derivative for the function f(x) = 1/x^6, then it's very easy to rewrite as f(x) = x^(-6) and then take the derivative

    • one year ago
  7. pgpilot326 Group Title
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    the h is only in there because you using the definition and should not show up anywhere in your answer.

    • one year ago
  8. mathcalculus Group Title
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    thanks

    • one year ago
  9. satellite73 Group Title
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    you are being asked for the derivative of \(\frac{1}{x^6}\)

    • one year ago
  10. mathcalculus Group Title
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    1

    • one year ago
  11. pgpilot326 Group Title
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    ?

    • one year ago
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