Solved

Solve
- 5x+2y+z=112x3yz=177x+y+2z=4\begin{array} { l } 5 x + 2 y + z = - 11 \\2 x - 3 y - z = 17 \\7 x + y + 2 z = - 4\end{array}

Question 4

Multiple Choice

Solve.
- 5x+2y+z=112x3yz=177x+y+2z=4\begin{array} { l } 5 x + 2 y + z = - 11 \\2 x - 3 y - z = 17 \\7 x + y + 2 z = - 4\end{array}


A) (3,0,4) ( 3,0 , - 4 )
B) (0,6,1) ( 0 , - 6,1 )
C) (0,6,1) ( 0,6 , - 1 )
D) (3,0,4) ( - 3,0,4 )

Correct Answer:

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