Find the Inverse of a If It Has One, or State

question 351

Multiple Choice

Find the inverse of A if it has one, or state that the inverse does not exist.
- $$A = \left[ \begin{array} { l l l } 1 & 1 & 1 \\2 & 1 & 1 \\2 & 2 & 3\end{array} \right]$$

• A) Inverse does not exist
• B)
• \[\left[ \begin{array} { r r r }
• - 1 & 1 & 0 \\
• 4 & - 1 & - 1 \\
• - 2 & 0 & 1
• \end{array} \right]\]
• C)
• \(\left[\begin{array}{ccc}
• 1 & 1 & 1 \\
• \frac{1}{2} & 1 & 1 \\
• \frac{1}{2} & \frac{1}{2} & \frac{1}{3}
• \end{array}\right]\)
• D)
• \(\left[\begin{array}{rrr}
• -1 & -1 & -1 \\
• -2 & -1 & -1 \\
• -2 & -2 & -3
• \end{array}\right]\)

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Definitions:

Indirect Method

A method used in cash flow statement preparation that adjusts net income for items that affected reported net income but didn't affect cash.

Operating Activities

Activities directly related to the production, sale, and delivery of a company's goods or services, reflecting its core business operations.

Indirect Method

A way of calculating cash flows from operating activities in the cash flow statement by adjusting net income for changes in non-cash accounts.

Net Decrease

A reduction in the quantity or value of something, calculated by subtracting the final figure from the initial figure.