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. $\left| \begin{array} { c c c } 2 & 1 & 6 \\- 2 & 5 & - 3 \\8 & 1 & 5\end{array} \right|$

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Definitions:

Theocracy

Rule by (i.e., leadership of the society accorded to) the most powerful religious people. (Literally, “rule by God.”)

Religious Figure

An individual who is recognized within a religion for their sanctity, leadership, or spiritual insight.

Philosophy

Philosophy is the study of fundamental questions about existence, knowledge, values, reason, mind, and language.

Racist Society

A social structure in which systemic racism is practiced, normalized, and enforced by societal customs, laws, and policies.