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Find instantaneous rate of change of 7/3z^2

  1. Oct 12, 2005 #1
    "Find the instantaneous rate of change of w with respect to z if w=(7/3z^2)"
    excuse the primitive equation...any help???
  2. jcsd
  3. Oct 12, 2005 #2
    Just differentiate it with respect to z.
  4. Oct 12, 2005 #3


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    Staff Emeritus
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    Is that w= (7/3)z2 or w= 7/(3z2)?

    I suspect the former which should be easy to differentiate using
    (zn)'= n zn-1. If the latter, write it as w= (7/3)z-2 and use the same rule.
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