Resolver sistemas lineares utilizando a Regra de Cramer. x+2y = 1 e 3x - 2y =11?
me ajude nesses também :
4x - y + Z= -1
X + 2y - z = -2
x-z = -5
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me ajude nesses também :
4x - y + Z= -1
X + 2y - z = -2
x-z = -5
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Verified answer
D=
l 1 2 l
l 3 -2 l=
-2-(6)=
-2-6=-8
DX=
l 1 2 l
l 11 -2 l=
-2-(22)=-2-22=-24
DY=
l 1 1 l
l 2 11 l=
11-3=8
X=-24/-8=3
Y=8/-8=-1