Find the Determinant of the Matrix $\left| \begin{array} { c c c } 2 & 1 & 6 \\- 2 & 5 & - 3 \\8 & 1 & 5\end{array} \right|$

question 13

Essay

Find the determinant of the matrix. Determine whether the matrix has an inverse or not, but do not calculate the inverse. $\left| \begin{array} { c c c } 2 & 1 & 6 \\- 2 & 5 & - 3 \\8 & 1 & 5\end{array} \right|$

---

Definitions:

Virtual Teams

Groups of individuals who work together from different geographic locations and rely on communication technology such as email, video conferences, and messaging apps to collaborate.

Communications Technology

The use of tools and platforms to facilitate electronic communication, such as email, social media, and video conferencing.

Undocumented Immigrants

Individuals residing in a country without the legal permission or documents required by immigration regulations.

Legal Requirements

Obligations or standards that must be adhered to according to laws and regulations.