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Solve the System of Linear Equations {x+4y+2z=−2−4x+y−4z=93x−y+2z=−3\left\{ \begin{array} { c } x + 4 y + 2 z = - 2 \\- 4 x + y - 4 z = 9 \\3 x - y + 2 z = - 3\end{array} \right.

Question 3

Multiple Choice

Solve the system of linear equations.
{x+4y+2z=−2−4x+y−4z=93x−y+2z=−3\left\{ \begin{array} { c } x + 4 y + 2 z = - 2 \\- 4 x + y - 4 z = 9 \\3 x - y + 2 z = - 3\end{array} \right.


A) (3,6,3) ( 3,6,3 )
B) (2,1,−4) ( 2,1 , - 4 )
C) (1,−4,2) ( 1 , - 4,2 )
D) (6,3,3) ( 6,3,3 )
E) inconsistent

Correct Answer:

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