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If f(x,y)=x^(2)+y^(2)-2x and D is triangular region with vertices (2,0) (0,2) and (0,-2). Find absolute max and min of f on the region of D.? Biology : Can we found Cyanide in urine ? Would it be cool (or useful) if Google Maps can add option for a overlay of weather radar for rain? Why do i keep getting this one wrong. help? 1 Litre Oil into how many Kilogram Can you tell me?