Compute the Determinant of the Matrix by Cofactor Expansion $\left[ \begin{array} { r r r } 5 & 1 & 3 \\ 1 & - 2 & 2 \\ 3 & 5 & 4 \end{array} \right]$

question 9

Multiple Choice

Compute the determinant of the matrix by cofactor expansion.
- $\left[ \begin{array} { r r r } 5 & 1 & 3 \\ 1 & - 2 & 2 \\ 3 & 5 & 4 \end{array} \right]$

• A) \(- 55\)
• B) \(- 67\)
• C) 17
• D) 55

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Definitions:

Postnasal Drip

A condition involving the excessive accumulation of mucus in the back of the throat or nose.

Night Cough

A cough that occurs or worsens during the night, potentially disrupting sleep and may indicate an underlying health issue.

Sinusitis

Inflammation of the sinuses, typically causing symptoms like headache, facial pain, and nasal congestion.

Increased Respiratory Rate

A condition characterized by a higher than normal rate of breathing, which can be a symptom of various medical conditions or physical states.