Find All Minors of the Matrix $$\left[ \begin{array} { c c } 4 & 5 \\4 & - 8\end{array} \right]$$

question 19

Multiple Choice

Find all minors of the matrix.​ $$\left[ \begin{array} { c c } 4 & 5 \\4 & - 8\end{array} \right]$$ ​

• A) \(M _ { 11 } = - 8 , M _ { 12 } = - 4 , M _ { 21 } = - 5 , M _ { 22 } = - 4\)
• B) \(M _ { 11 } = 5 , M _ { 12 } = 4 , M _ { 21 } = 8 , M _ { 22 } = 4\)
• C) \(M _ { 11 } = 4 , M _ { 12 } = 8 , M _ { 21 } = 4 , M _ { 22 } = 5\)
• D) \(M _ { 11 } = - 8 , M _ { 12 } = 4 , M _ { 21 } = 5 , M _ { 22 } = 4\)
• E) \(M _ { 11 } = 4 , M _ { 12 } = 5 , M _ { 21 } = 4 , M _ { 22 } = 8\)

---

Definitions:

Color Code

A system of organizing and identifying items using different colors for ease of recognition.

Electrode

A conductor through which electricity enters or leaves an object, substance, or region, used in various applications like batteries or medical devices.

ECG

An ECG, or Electrocardiogram, is a medical test that measures the electrical activity of the heart to identify abnormalities in heart rhythm and structure.

Color Code

A system for displaying information by using different colors for easy identification and categorization.