Solve Matrix Equations
-Let $\mathrm { A } = \left[ \begin{array} { r r r } 2 & 1 & - 2 \\ 3 & 0 & 0 \\ 1 & - 2 & 2 \end{array} \right]$

question 59

Multiple Choice

Solve Matrix Equations
-Let $\mathrm { A } = \left[ \begin{array} { r r r } 2 & 1 & - 2 \\ 3 & 0 & 0 \\ 1 & - 2 & 2 \end{array} \right]$ and $\mathrm { B } = \left[ \begin{array} { r r r } - 1 & - 2 & - 2 \\ 0 & 1 & 1 \\ 3 & 0 & 2 \end{array} \right] ; \quad 2 \mathrm {~B} - 2 \mathrm {~A} = \mathrm { X }$

• A)
• \(X = \left[ \begin{array} { r r r } - 6 & - 6 & 0 \\ - 6 & 2 & 2 \\ 4 & 4 & 0 \end{array} \right]\)
• B)
• \(X = \left[ \begin{array} { r r r } - 6 & 2 & 2 \\ 4 & 4 & 0 \\ - 6 & - 6 & 0 \end{array} \right]\)
• C)
• \(X = \left[ \begin{array} { r r r } - 6 & - 6 & 0 \\ - 6 & 1 & 1 \\ 4 & 4 & 0 \end{array} \right]\)
• D)
• \(X = \left[ \begin{array} { r r r } - 6 & 1 & 1 \\ 4 & 4 & 0 \\ - 6 & - 6 & 0 \end{array} \right]\)

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