Find the Inverse of the Matrix $\left[ \begin{array} { c c } 2 & 4 \\- 6 & - 10\end{array} \right]$

question 116

Multiple Choice

Find the inverse of the matrix $\left[ \begin{array} { c c } 2 & 4 \\- 6 & - 10\end{array} \right]$ .

• A) \(\frac { 1 } { 13 } \left[ \begin{array} { l l }
• - 2 & - 4 \\
• - 6 & 10
• \end{array} \right]\)
• B) \(\left[ \begin{array} { c c }
• - 2 & - 4 \\
• 10 & 6
• \end{array} \right]\)
• C) \(\left[ \begin{array} { c c }
• 2 & - 6 \\
• 8 & - 14
• \end{array} \right]\)
• D) \(\frac { 1 } { 7 } \left[ \begin{array} { c c }
• 2 & 4 \\
• - 6 & - 10
• \end{array} \right]\)
• E) \(\frac { 1 } { 2 } \left[ \begin{array} { c c }
• - 5 & - 2 \\
• 3 & 1
• \end{array} \right]\)

---

Definitions:

Semicircular Canal

One of three fluid-filled tubes in the inner ear that play a key role in maintaining balance by detecting head movement and rotation.

Cochlear Implant

A cochlear implant is a surgically implanted electronic device that provides a sense of sound to a person who is profoundly deaf or severely hard of hearing.

Critical Period

A specific time during an organism's development when it is particularly sensitive to certain environmental stimuli, making it easier to acquire certain skills or behaviors.

Optimal Time

The most favorable or ideal time for achieving the best results or maximum efficiency in a given task or process.