?

Linear Algebra

Free Version

Upgrade subject to access all content

Easy

2x2 Matrix Inverse - 2, 3, 1, 2

LINALG-VXRYQE

Which of the following is the inverse of the matrix:

$$\begin{pmatrix} 2&3\\\ 1&2\end{pmatrix}$$

A

$\begin{pmatrix}2&3\\\ 1&2\end{pmatrix}$

B

$\begin{pmatrix}2&-3\\\ -1&2\end{pmatrix}$

C

$\begin{pmatrix}-2&1\\\ 3&-2\end{pmatrix}$

D

$\begin{pmatrix}-2&3\\\ 1&-2\end{pmatrix}$

E

$\begin{pmatrix}2&-1\\\ -3&2\end{pmatrix}$