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OpenStudy (anonymous):
i need step by step help of how to find the second derivative of -2/9x^7/9
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OpenStudy (anonymous):
do you know how to calculate for the first derivative?
OpenStudy (anonymous):
the original problem was -x^2/9 so the derivative of that is the -2/9x^7/9
OpenStudy (anonymous):
\(\Large nx^{n-1}\\-x^{\frac{2}{9}}=> -\frac{2}{9}x^{\frac{2}{9}-1}=>-2/9x^{-7/9}\) then you should apply same rule:|dw:1413663318639:dw|
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