Subtract with Two Scalars - Full Matrix to Values

Question

Find the result of 3A - 2B, or choose [undefined] if it cannot be computed.

$$A = \left[ {\begin{array} {ccc} 2 & 6 & 3 \ 4 & -3 & 8 \ 1 & 5 & -4 \end{array}  } \right] \qquad B = \left[ {\begin{array} {ccc} 1 & -4 & 3 \ 7 & -8 & 6 \ 5 & 0 & -3 \end{array}  } \right] \[8pt] 3A - 2B = \left[\, ? \,\right]$$

Accepted Answer

$$\left[ {\begin{array} {ccc} 4 & 26 & 3 \ -2 & 7 & 12 \ -7 & 15 & -6 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {ccc} 8 & 10 & 15 \ 26 & -25 & 36 \ 13 & 15 & -18 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {ccc} 1 & 10 & 0 \ -3 & 5 & 2 \ -4 & 5 & -1 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {ccc} 4 & 26 & 2 \ -2 & 7 & 12 \ -7 & 15 & -6 \end{array}  } ight]$$

Practice: Matrices - Subtract with Two Scalars - Full Matrix to Values

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Subtract with Two Scalars - Full Matrix to Values

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