HELP!!!Usando o escalonamento obtenha a solução A seguir
1°
3x+2y=5
X+3y=11
2°
X+y+z=6
4x+2y-z=5
X+3y+2z=13
Respostas
1ª-
3 2 5
1 3 11
L1=L1-3L2
0 -7 -28
1 3 11
L1= (-1/7) * L1
0 1 4
1 3 11
L2=L2-3L1
0 1 4
1 0 -1
L1<>L2
1 0 -1
0 1 4
x=-1
y=4
2ª
1 1 1 6
4 2 -1 5
1 3 2 13
L2=L2-4L1
L3=L3-L1
1 1 1 6
0 -2 -5 -19
0 2 1 7
L3=L3+L2
1 1 1 6
0 -2 -5 -19
0 0 -4 -12
L3=(-1/4)* L3
1 1 1 6
0 -2 -5 -19
0 0 1 3
L1=L1-L3
L2=L2+5L3
1 1 0 3
0 -2 0 -4
0 0 1 3
L2=(-1/2)*L2
1 1 0 3
0 1 0 2
0 0 1 3
L1=L1-L2
1 0 0 1
0 1 0 2
0 0 1 3
x=1
y=2
z=3