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Mathematics 11 Online
OpenStudy (babyslapmafro):

Please help me solve the following problem. Confirm that the mixed second-order partial derivative is the same. (click to see function)

OpenStudy (babyslapmafro):

\[f(x,y)=\frac{ x-y }{ x+y }\]

OpenStudy (babyslapmafro):

do i find the second partial derivative with respect to x and then find the second partial derivative with respect to y and see that they are equivalent?

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