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papas400
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I have been doing Partial Derivatives and have found dz/dx, dz/dy, d2z/dx2 and d2z/dy2. But I do not know how to find d2z/dxdy. Could somebody please help me?
 11 months ago
 11 months ago
papas400 Group Title
I have been doing Partial Derivatives and have found dz/dx, dz/dy, d2z/dx2 and d2z/dy2. But I do not know how to find d2z/dxdy. Could somebody please help me?
 11 months ago
 11 months ago

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Waynex Group TitleBest ResponseYou've already chosen the best response.0
You have \[\frac{\partial z}{\partial x}\], now take the partial derivative of that with respect to y: \[\frac{\partial\frac{\partial z}{\partial x}}{\partial y}.\] You can do this in the opposite order and get the same result. Start with y, then x.
 10 months ago
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