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trynaunderstand
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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?
 10 months ago
 10 months ago
trynaunderstand Group Title
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?
 10 months ago
 10 months ago

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blazejek Group TitleBest ResponseYou've already chosen the best response.0
First 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!)
 10 months ago

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

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