Question

z= f(x,y) = xy-2x-3y+6 has one critical point (x,y,z). Please find it 2) f(xx)= 3) f(xy)=

z= f(x,y) = xy-2x-3y+6 has one critical point (x,y,z). Please find it

2) f(xx)=

3) f(xy)=

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