anonymous
  • anonymous
Cal 1: Find the derivative:
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
|dw:1377719378990:dw|
anonymous
  • anonymous
For this problem, would it be best to re-write it? Like: 8^1/8 / x^1/8
anonymous
  • anonymous
8^(1/8)*x^(-1/8) derivative of this is 8^(1/8)*x^(-1/8-1) = 8^(1/8)*x^(-9/8)

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anonymous
  • anonymous
I think the 8^(1/8) part confused me. The derivative of 8^(1/8) is 8^(1/8)? Is this a rule?
anonymous
  • anonymous
The derivative of 8^(1/8) if it is not the coefficient of a variable is zero since it is a constant. However if it is a coefficient as in this case it remains unchanged.
anonymous
  • anonymous
Ok thanks a ton. I was making it more complicated that it actually was.
anonymous
  • anonymous
So wait. Quick question.You re-wrote the problem as i did correct?
anonymous
  • anonymous
|dw:1377720340930:dw|
anonymous
  • anonymous
yes
anonymous
  • anonymous
So for the x^(-1/8), wouldnt the derivative be -1/8x^(-9/8) instead?
anonymous
  • anonymous
Did you just accidentally leave it out in your answer? Or am i making a mistake?
anonymous
  • anonymous
sorry i missed it. you got it correct!
anonymous
  • anonymous
Ok great. Thanks so much for the help :)

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