Find the Inverse of the Matrix, If It Exists
- $$\left[ \begin{array} { r r r } 1 & 0 & 0 \\- 1 & 1 & 0 \\1 & 1 & 1\end{array} \right]$$

question 45

Multiple Choice

Find the inverse of the matrix, if it exists
- $$\left[ \begin{array} { r r r } 1 & 0 & 0 \\- 1 & 1 & 0 \\1 & 1 & 1\end{array} \right]$$

• A)
• \(\left[ \begin{array} { r r r } 1 & 0 & 0 \\ 1 & 1 & 0 \\ - 2 & - 1 & 1 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { l l l } 1 & 1 & 1 \\ 0 & 1 & 1 \\ 0 & 0 & 1 \end{array} \right]\)
• C)
• \(\left[ \begin{array} { r r r } - 1 & 0 & 0 \\ - 1 & - 1 & 0 \\ - 1 & - 1 & - 1 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { r r r } 1 & - 1 & 1 \\ 0 & 1 & - 1 \\ 0 & 0 & 1 \end{array} \right]\)

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Definitions:

Trade Discount

A reduction in the listed price of a product or service offered by a seller to a buyer in the same trade.

Suggested Retail Price

The price that manufacturers recommend retailers to sell their products for to consumers, often seen as MSRP (Manufacturer's Suggested Retail Price).

Cash Discounts

A reduction in the price of goods or services offered to buyers as an incentive for early payment or payment in cash.

Quantity Discounts

Price reductions based on the volume or amount of product purchased, incentivizing bulk buying.