Table of Contents
Choose the correct options for the following questions.
If $A=\begin{bmatrix}1 & -2 & 3 \\-2 & 3 & 1 \\4 & -3& 2\end{bmatrix}$ then co factor $A_{32}$=
Difficulty: Easy
A:
-7
B:
8
C:
-10
D:
-7
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:
$-\begin{bmatrix}\frac{1}{a}_{11} \end{bmatrix}$
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