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Calculate A| \mathbf { A } | - A) (9,1,6)( 9 , - 1,6 )

Question 10

Multiple Choice

Calculate A| \mathbf { A } |
- 3x+3z=425x+6y+4z=709x2y=70\begin{array} { l } 3 \mathrm { x } + 3 \mathrm { z } = 42 \\5 \mathrm { x } + 6 \mathrm { y } + 4 \mathrm { z } = 70 \\9 \mathrm { x } - 2 \mathrm { y } \quad = 70\end{array}


A) (9,1,6) ( 9 , - 1,6 )
B) (8,1,6) ( 8 , - 1 , - 6 )
C) (1,6,1) ( 1,6,1 )
D) (8,1,6) ( 8,1,6 )

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