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Frequently Asked Questions (FAQ)
What is the critical f(x,y)=sqrt(x^2+y^2-1)+sqrt(4-x^2-y^2) ?
- The critical f(x,y)=sqrt(x^2+y^2-1)+sqrt(4-x^2-y^2) is (0,sqrt(5/2)),(0,-sqrt(5/2))