The Sizes of Two Matrices Are Given $4 \times 1$ ; B Is

question 500

Multiple Choice

The sizes of two matrices are given. Find the size of the product AB and the size of the product BA, if the given product
can be calculated.
-A is $4 \times 1$ ; B is $4 \times 1$

• A) \(\mathrm { AB }\) is \(4 \times 4\); BA is \(1 \times 1\).
• B) AB cannot be calculated; BA cannot be calculated.
• C) \(\mathrm { AB }\) is \(1 \times 4\); \(\mathrm { BA }\) is \(4 \times 1\).
• D) \(\mathrm { AB }\) is \(4 \times 1\); BA is \(1 \times 4\).

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Definitions:

Critical Psychological State

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Continuous Basis

Operating or functioning in a seamless, uninterrupted manner over time.

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The mental and physical state of workers as they carry out their work responsibilities.