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how can we solve d/dy(du/dx) ?
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is that the product rule ?
sorry i can not understand tha but its used in partial differrential equation
post the question xD
we have to find d/dy(du/dx) of (2x-3y)(-3x+8y)
im assuming \[u = (2x-3y)(-3x+8y)\] then find du/dx as derivitive with respect to x, use product rule \[\frac{du}{dx} = 2(-3x+8y)-3(2x-3y)\] Then take derivative of that with respect to y \[\frac{d}{dy} = 16-(-9) = 25\]
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thnx :)
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