The Sizes of Two Matrices Are Given $\mathrm { A }$

question 275

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.
- $\mathrm { A }$ is $2 \times 1 ; \mathrm { B }$ is $1 \times 1$ .

• A) \(\mathrm { AB }\) is \(1 \times 2 ; \mathrm { BA }\) is \(1 \times 1\).
• B) AB cannot be calculated; \(B A\) is \(1 \times 2\).
• C) \(\mathrm { AB }\) is \(2 \times 1\); BA cannot be calculated.
• D) \(\mathrm { AB }\) is \(2 \times 2 ; \mathrm { BA }\) is \(1 \times 1\).

Recognize Simmel's concepts on secrecy, money, and their impacts on social interactions.

Understand George Simmel's perspective on society's impact on the individual and vice versa.

Recognize the importance of the concept of the stranger in Simmel's sociology.

Comprehend Simmel's views on the role and consequences of money in modern society.

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Definitions:

Existing Business

An enterprise that is currently operational and has gone past the startup phase, often with established customers, revenue streams, and market presence.

Trade

The exchange of goods or services between parties, which can be within or across borders.

Intermediation Revenue

Income generated by serving as an intermediary in transactions between two or more parties, such as brokerage fees or commissions.

Third Parties

Entities or individuals who are not directly involved in a transaction or contract but may be affected by it or have a relevant interest.