Find the Indicated Matrix $C = \left[ \begin{array} { r } 1 \\ - 3 \\ 2 \end{array} \right]$

question 372

Multiple Choice

Find the indicated matrix.
-Let $C = \left[ \begin{array} { r } 1 \\ - 3 \\ 2 \end{array} \right]$ and $D = \left[ \begin{array} { r } - 1 \\ 3 \\ 2 \end{array} \right]$ . Find $C - 3 D$ .

• A)
• \(\left[\begin{array}{r}
• -4 \\
• 12 \\
• 4
• \end{array}\right]\)
• B)
• \(\left[\begin{array}{r}
• -2 \\
• 6 \\
• -4
• \end{array}\right]\)
• C)
• \(\left[\begin{array}{r}
• 4 \\
• -6 \\
• 4
• \end{array}\right]\)
• D)
• \(\left[ \begin{array} { r } 4 \\ - 12 \\ - 4 \end{array} \right]\)

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