Question 64800: f(x,y)=e^xy find f(lower x), f (lower y), f (lower xx), and f (lower xy)
This is partial derivatives
Answer by venugopalramana(3286)   (Show Source):
You can put this solution on YOUR website! f(x,y)=e^xy find f(lower x), f (lower y), f (lower xx), and f (lower xy)
This is partial derivatives
LET DF/DX DENOTE PARTIAL DERIVATIVE OF F WRT X ETC...
F=E^(XY)
DF/DX= [E^(XY)][Y]
DF/DY = [E^(XY)]X
D^2F/DXDX= [Y][E^(XY)][Y]=[Y^2][E^(XY)]
D^F/DXDY=[E^(XY)]+Y[E^(XY)][X]
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