Question

discuss maxima and minima of the function f(x,y)=2x^2+2xy-y^3​

Answer 1

Answer:

z=x² +y² +1+2xy+2x+2y+x² −4x+4−4+1

=(x+y+1)² +(x−2)² −3

Minimum value of z is −3.

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Answer 2

Answer:

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