Evaluate the determinant by expanding by cofactors. $\left| \begin{array} { c c c }
2 & - 5 & - 3 \
1 & - 1 & - 6 \
- 1 & 5 & - 6
\end{array} \right|$
A) $60$
B) $36$
C) $0$
D) $- 24$
E) $- 120$

Question

Evaluate the determinant by expanding by cofactors. $\left| \begin{array} { c c c } 
2 & - 5 & - 3 \
1 & - 1 & - 6 \
- 1 & 5 & - 6
\end{array} \right|$
A) $60$
B) $36$
C) $0$
D) $- 24$
E) $- 120$

Quizplus · Accepted Answer

The Answer of Evaluate the determinant by expanding by cofactors. $\left| \begin{array} { c c c } 
2 & - 5 & - 3 \
1 & - 1 & - 6 \
- 1 & 5 & - 6
\end{array} \right|$
A) $60$
B) $36$
C) $0$
D) $- 24$
E) $- 120$

Evaluate the Determinant by Expanding by Cofactors ∣2−5−31−1−6−15−6∣\left| \begin{array} { c c c } 2 & - 5 & - 3 \\1 & - 1 & - 6 \\- 1 & 5 & - 6\end{array} \right|​21−1​−5−15​−3−6−6​​

Evaluate the Determinant by Expanding by Cofactors $\left| \begin{array} { c c c } 2 & - 5 & - 3 \\1 & - 1 & - 6 \\- 1 & 5 & - 6\end{array} \right|$