Find the Indicated Sum or Difference, If It Is Defined

question 25

Multiple Choice

Find the indicated sum or difference, if it is defined.
- $$\left[ \begin{array} { l l } - 1 & - 6 \\- 1 & - 8 \\- 6 & - 5\end{array} \right] + \left[ \begin{array} { r r } 6 & 3 \\- 2 & - 2 \\- 5 & - 6\end{array} \right]$$

• A) \(\left[ \begin{array} { r r } 5 & - 3 \\ - 3 & - 10 \\ - 11 & - 11 \end{array} \right]\)
• B) \(\left[ \begin{array} { r r } - 7 & - 9 \\ 1 & - 6 \\ - 1 & - 12 \end{array} \right]\)
• C) \(\left[ \begin{array} { r r } 5 & - 8 \\ - 3 & - 10 \\ - 11 & - 11 \end{array} \right]\)
• D) not defined

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Definitions:

Buggy Whips

A product or service that has become obsolete due to technological advancements or changes in consumer preferences.

Demand

The interest and capacity of buyers to acquire a product or service for a certain cost.

Human Capital

The abilities, understanding, and expertise held by a person or a group, considered in terms of their economic or value worth to a company or nation.

Ph.D.

A Doctor of Philosophy degree, a postgraduate academic degree awarded by universities.