Question: Exercise 9. Consider the functionf(x,y)=2x3y4x5yin the region D:x>0,y>0. Explain why f must have a global minimum at some point (x0,y0) in D, and find this

Exercise 9. Consider the functionf(x,y)=2x3y4x5yin the region D:x>0,y>0. Explain why f must have a global minimum at some point (x0,y0) in D, and find this global minimum.

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