Solve the Linear System Using an Inverse Matrix $$\begin{aligned}x + 2 y + 3 z & = 1 \\x + y + z & = 10 \\x - 2 z & = 7\end{aligned}$$

question 26

Multiple Choice

Solve the linear system using an inverse matrix.
- $$\begin{aligned}x + 2 y + 3 z & = 1 \\x + y + z & = 10 \\x - 2 z & = 7\end{aligned}$$

• A) \(( 31 , - 33,12 )\)
• B) \(( 21 , - 32,12 )\)
• C) \(( 49,67,28 )\)
• D) \(( 1,0,0 )\)

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Definitions:

AASB 6/IFRS 6 Disclosure

Requirements related to the exploration for and evaluation of mineral resources, detailing financial reporting standards for these activities.

E&E Assets

Exploration and Evaluation Assets, specific to the extractive industries, representing capital expenditures on the exploration and evaluation of mineral resources.

Pre-exploration Costs

Expenses incurred before the actual exploration activity begins, such as for initial research or permitting.

IASB Extractive Activities

Refers to the guidance provided by the International Accounting Standards Board on the accounting for and reporting of extraction activities.