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Solve the System by Using the Inverse of the Coefficient 2x+5y+2z=24x+y4z=145x+3yz=17\begin{array} { l } - 2 x + 5 y + 2 z = - 24 \\x + y - 4 z = 14 \\5 x + 3 y - z = 17\end{array}

Question 98

Multiple Choice

Solve the system by using the inverse of the coefficient matrix.
- 2x+5y+2z=24x+y4z=145x+3yz=17\begin{array} { l } - 2 x + 5 y + 2 z = - 24 \\x + y - 4 z = 14 \\5 x + 3 y - z = 17\end{array}


A) {(4,2,3) }\{ ( - 4 , - 2 , - 3 ) \}
B) {(4,2,3) }\{ ( - 4 , - 2,3 ) \}
C) {(4,2,3) }\{ ( 4 , - 2,3 ) \}
D) {(4,2,3) }\{ ( 4 , - 2 , - 3 ) \}

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