The Sizes of Two Matrices a and B Are Given $A$

question 69

Multiple Choice

The sizes of two matrices A and B are given. Find the sizes of the product AB and the product BA, if the products are
defined.
- $A$ is $2 \times 4$ , B is $2 \times 4$ .

• A) \(\mathrm { AB }\) is \(2 \times 4 , \mathrm { BA }\) is \(4 \times 2\).
• B) \(\mathrm { AB }\) is \(2 \times 2 , \mathrm { BA }\) is \(4 \times 4\).
• C) \(A B\) is undefined, \(B A\) is undefined.
• D) \(\mathrm { AB }\) is \(4 \times 2\), \(\mathrm { BA }\) is \(2 \times 4\).

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Definitions:

Cognitive Components

The mental processes involved in perception, memory, judgment, and reasoning, which are fundamental to understanding and responding to the environment.

Affective Components

Refers to the emotional or feeling segments of an attitude, which influence how an individual feels about an object, person, or situation.

Reference Group's Attitude

The collective opinions, beliefs, or norms of a group that an individual identifies with or aspires to join, influencing their behavior and perspectives.

Situational Constraints

External factors or conditions that limit or influence an individual's actions or behavior in a given context.