the equation x2+y2-2x+2y-1=0
This is the equation of a circle, centred at (1,-1), radius sqrt(3), as followsrewrite equation as(x-1)^2-1+(y+1)^2-1=1, or(x-1)^2+(y+1)^2=(sqrt(3))^2Dont know what else youd like to do with it. lol
t know what else you
