SOLUTION: The temperature of a point $(x,y)$ in the plane is given by the expression $x^2 + y^2 - 4x + 2y$. What is the temperature of the coldest point in the plane?
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Question 1040894: The temperature of a point $(x,y)$ in the plane is given by the expression $x^2 + y^2 - 4x + 2y$. What is the temperature of the coldest point in the plane?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Since the two quadratic terms can only be non-negative, the minimum T occurs when and . The temperature then would be,
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