E
Editor
Sep 18, 2022
The determinant of a $1\times 1$ matrix $\begin{bmatrix}a_{11} \end{bmatrix}$ is
Difficulty: Easy
A:
$a_{11}$
B:
$-a_{11}$
C:
$\begin{bmatrix}\frac{1}{a}_{11} \end{bmatrix}$
D:
$-\begin{bmatrix}\frac{1}{a}_{11} \end{bmatrix}$
ID: 63273dbaca83163ac3a11d63