Solve the Problem $| \mathrm { A } |$ By Expanding Across the Third Row

question 60

Essay

Solve the problem.
-Evaluate $| \mathrm { A } |$ by expanding across the third row. Show all your work.
$$A = \left[ \begin{array} { r r r r } - 1 & 1 & 0 & 2 \\- 5 & 2 & 4 & - 5 \\0 & 5 & 0 & - 1 \\1 & 2 & - 1 & 0\end{array} \right]$$

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Definitions:

Millions

A numerical unit equal to 1,000,000 or 10^6, often used in accounting and financial reporting to denote large values.

Cash Flow

The net amount of cash being transferred into and out of a business, reflecting the company's liquidity and overall financial health.

Stockholders

Individuals or entities that own shares in a corporation, thereby holding ownership interest in the company.