Lim (x²+xy-3x-y+2)/(x+y-2)
(x,y) -->(1,1)
Como x²+xy-3x-y+2 = (x+y-2)*(x-1)
Lim (x+y-2)*(x-1)/(x+y-2)
Lim (x-1) = 1-1 = 0
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Lim (x²+xy-3x-y+2)/(x+y-2)
(x,y) -->(1,1)
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x²+xy-3x-y+2
=x²+xy-2x - x -y+2
=x*(x+y-2) -(x+y-2)
=(x+y-2)*(x-1)
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Lim (x²+xy-3x-y+2)/(x+y-2)
(x,y) -->(1,1)
Como x²+xy-3x-y+2 = (x+y-2)*(x-1)
Lim (x+y-2)*(x-1)/(x+y-2)
(x,y) -->(1,1)
Lim (x-1) = 1-1 = 0
(x,y) -->(1,1)