Calculate $| \mathbf { A } |$
-$$\begin{aligned}
9 x - 9 y - z & = - 30 \
x - 5 y - 6 z & = - 41 \
- 8 x + y + z & = - 8
\end{aligned}$$
A) $( 3,3,3 )$
B) $( 2 , - 5 , - 3 )$
C) $( 2,5,3 )$
D) $( 5,3,5 )$

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The Answer of Calculate $| \mathbf { A } |$
-$$\begin{aligned}
9 x - 9 y - z & = - 30 \
x - 5 y - 6 z & = - 41 \
- 8 x + y + z & = - 8
\end{aligned}$$
A) $( 3,3,3 )$
B) $( 2 , - 5 , - 3 )$
C) $( 2,5,3 )$
D) $( 5,3,5 )$

Calculate ∣A∣| \mathbf { A } |∣A∣ - 9x−9y−z=−30x−5y−6z=−41−8x+y+z=−8\begin{aligned}9 x - 9 y - z & = - 30 \\x - 5 y - 6 z & = - 41 \\- 8 x + y + z & = - 8\end{aligned}9x−9y−zx−5y−6z−8x+y+z​=−30=−41=−8​

Calculate $| \mathbf { A } |$ - $\begin{aligned}9 x - 9 y - z & = - 30 \\x - 5 y - 6 z & = - 41 \\- 8 x + y + z & = - 8\end{aligned}$