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anonymous
 5 years ago
f(x,y)= x^2y^2+xy10x+3
anonymous
 5 years ago
f(x,y)= x^2y^2+xy10x+3

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0to find critical point and also to determent max, min or saddle point..???

nikvist
 5 years ago
Best ResponseYou've already chosen the best response.0\[f(x,y)= x^2y^2+xy10x+3\] \[f'_x(x,y)= 2x+y10=0\] \[f'_y(x,y)= 2y+x=0\] \[\rightarrow x=4,y=2\] \[f''_x(x,y)= 2,f''_y(x,y)= 2\]\[f''_{xy}(x,y)=f''_{yx}(x,y)=1\] \[Hessian=2*21=5\] (4,2) is saddle point
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