Find the Product, AB, If Possible A) $\left[ \begin{array} { r r r } 6 & - 3 & 6 \\ 1 & 2 & - 1 \end{array} \right]$

question 145

Multiple Choice

Find the product, AB, if possible.
- $$A = \left[ \begin{array} { l l } 1 & 0 \\0 & 3\end{array} \right] , B = \left[ \begin{array} { r r r } 1 & 2 & - 1 \\2 & - 1 & 2\end{array} \right]$$

• A) \(\left[ \begin{array} { r r r } 6 & - 3 & 6 \\ 1 & 2 & - 1 \end{array} \right]\)
• B) \(\left[ \begin{array} { r r r } 1 & 2 & - 1 \\ 6 & - 3 & 6 \end{array} \right]\)
• C) \(\left[ \begin{array} { r r r } 1 & 0 & 0 \\ 0 & - 3 & 6 \end{array} \right]\)
• D) \(\mathrm { AB }\) is not defined.

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Definitions:

Plant Manager

An individual responsible for overseeing the operations, management, and success of a manufacturing or production facility.

Task Strategy

The plan or approach adopted to accomplish a specific task or objective effectively.

Direction of Attention

The focus or concentration of mental effort on a particular object, task, or activity.

Persistence

A personal quality that reflects the ability to continue steadfastly or firmly in some action or path, despite difficulties or opposition.