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Solve the Matrix Equation A) x=2,y=1,z=4x = 2 , y = - 1 , z = 4

Question 7

Multiple Choice

Solve the matrix equation.
- [286422311][xyz]=[20211]\left[ \begin{array} { r r r } 2 & 8 & 6 \\ 4 & 2 & - 2 \\ 3 & - 1 & 1 \end{array} \right] \left[ \begin{array} { l } x \\ y \\ z \end{array} \right] = \left[ \begin{array} { l } 20 \\ - 2 \\ 11 \end{array} \right]


A) x=2,y=1,z=4x = 2 , y = - 1 , z = 4
B) x=2,y=1,z=6x = 2 , y = 1 , z = 6
C) x=1,y=6,z=1x = - 1 , y = 6 , z = 1
D) x=1,y=2,z=1x = - 1 , y = 2 , z = 1

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