Use Row Reduction to Find the Inverse of the Given $\left[ \begin{array} { c c c } 1 & 5 & - 1 \\4 & 5 & - 4 \\- 1 & 4 & 5\end{array} \right]$

question 173

Essay

Use row reduction to find the inverse of the given matrix, if it exists, and check your answer by multiplication.
​ $\left[ \begin{array} { c c c } 1 & 5 & - 1 \\4 & 5 & - 4 \\- 1 & 4 & 5\end{array} \right]$

---

Definitions:

Buzz

Informal expression referring to excitement, hype, or a state of heightened interest and activity around a specific topic.

Blood Alcohol Content

A measurement of the amount of alcohol present in a person’s bloodstream, expressed as a percentage.

Blood Alcohol Content (BAC)

The concentration of alcohol in one's bloodstream, used as a metric to measure intoxication levels for legal and medical purposes.

Alcohol Poisoning

A serious and potentially deadly condition resulting from drinking excessive amounts of alcohol in a short period of time, leading to a toxic level of alcohol in the blood.