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OpenStudy (anonymous):
i need help, if x^3+y^3=7 find the value of d^2y/dx^2 at the point (-1,2)
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OpenStudy (anonymous):
derivatives?
OpenStudy (anonymous):
yes... i found the derivative of the equation, it's the rest of it that's confusing
OpenStudy (anonymous):
i got y'=-x^2/y^2
OpenStudy (anonymous):
okay...hmmm. graph it out
OpenStudy (anonymous):
wolphram alpha might help. I'm guessing they want the derivative of that graph at that point.
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OpenStudy (anonymous):
sorry I can't help much :[
OpenStudy (anonymous):
that's ok thanks!
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