Of the Products AB,BA,A² and B²,which Ones Are Possible for the Given

question 42

Multiple Choice

Of the products AB,BA,A² and B²,which ones are possible for the given matrices? $$A = \left[ \begin{array} { c } - 3 \\1 \\- 7\end{array} \right] , B = \left[ \begin{array} { l l l } 7 & 1 & 6\end{array} \right]$$

• A)B² only
• B)A² only
• C)BA only
• D)AB only
• E)AB and BA only

---

Definitions:

Mass Media

Forms of communication designed to reach large audiences directly through mediums like newspapers, television, radio, and the internet.

User-Pay Costs

Expenses that must be covered by the individual using a service or product, rather than being subsidized by the government or another entity.

Media Conglomeration

The process by which a small number of companies own and control a large proportion of the mass media outlets, such as television networks, radio stations, newspapers, and online platforms.

Web Content

Information available on the Internet in various formats, including text, images, video, and audio, designed for consumption by web users.