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OpenStudy (anonymous):
help? Find the partial derivatives of the function: f(x,y) 7x-4y/-9x-1y ?
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OpenStudy (anonymous):
find fx(x,y) and fy(x,y) ?
OpenStudy (anonymous):
To find the partial derivative fx(x,y), you consider y as a constant and differentiate it as normal. So you just treat y as a number and then use the quotient rule or something to differentiate. Then to find the other one, treat x as a constant :)
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