Linear Algebra Quiz
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Use Cramer's rule to find the value of
y
y
y
for the following system of linear equations:
{
x
+
y
+
z
=
6
2
x
−
y
+
z
=
3
x
+
2
y
−
z
=
2
\begin{cases} x + y + z = 6 \\ 2x - y + z = 3 \\ x + 2y - z = 2 \end{cases}
⎩
⎨
⎧
x
+
y
+
z
=
6
2
x
−
y
+
z
=
3
x
+
2
y
−
z
=
2
A
1
B
1
/
2
1/2
1/2
C
3
D
2
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