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trynaunderstand
 2 years ago
Please, how do I go about this problem: d^2/dxdy (2x + 3y). How do I go about finding the derivative? Do I take the derivative of the function w.r.t to x then find the derivative of the answer w.r.t y?
trynaunderstand
 2 years ago
Please, how do I go about this problem: d^2/dxdy (2x + 3y). How do I go about finding the derivative? Do I take the derivative of the function w.r.t to x then find the derivative of the answer w.r.t y?

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blazejek
 2 years ago
Best ResponseYou've already chosen the best response.0First take derivative with respect to x, then with respect to y. d^2/dxdy = d/dx (d/dy) = d/dy (d/dx) (but with curly d instead of regular d. remember, they are not the same thing!)

Waynex
 2 years ago
Best ResponseYou've already chosen the best response.0By the way, d^2/dxdy (2x + 3y) = d^2/dydx (2x + 3y). The order does not matter.

blazejek
 2 years ago
Best ResponseYou've already chosen the best response.0It's worth noting though, that there exist some pathological examples when that is not the case. It happens when derivatives are not continous.
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