Using Cramers Rule Determine whether CramersRule is used correctly to solve for the
Chapter 3, Problem 73(choose chapter or problem)
Determine whether Cramer’s Rule is used correctly to solve for the variable. If not, identify the mistake.
\(x-4 y-z &=-1 \\ 2 x-3 y+z &=6 \\ x+y-4 z &=1\end{aligned} \quad z=\frac{\left|\begin{array}{rrr}
-1 & -4 & -1 \\ 6 & -3 & 1 \\ 1 & 1 & -4\end{array}\right|}{\left|\begin{array}{rrr}1 & -4 & -1 \\ 2 & -3 & 1 \\ 1 & 1 & -4\)
Text Transcription:
x − 2x − x + 4y − 3y + y − z = z = 4z = −1 6 1
z = ∣ −1 6 1 −4 −3 1 −1 1 −4∣ ∣ 1 2 1 −4 −3 1 −1 1 −4|
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