If $A=\begin{bmatrix}1 &0 \\0& 1 \end{bmatrix}$ then $A^{-1}$ is

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If $A=\begin{bmatrix}1 &0 \\0& 1 \end{bmatrix}$ then $A^{-1}$ is

E

Editor

Sep 18, 2022

If $A=\begin{bmatrix}1 &0 \\0& 1 \end{bmatrix}$ then $A^{-1}$ is

Difficulty: Easy

A:

\begin{bmatrix}2 &0 \\0& 2 \end{bmatrix}

B:

2\begin{bmatrix}1 &0 \\0& 1 \end{bmatrix}

C:

\begin{bmatrix}0 &1\\0& 1 \end{bmatrix}

D:

\begin{bmatrix}1 &0 \\0& 1 \end{bmatrix}

ID: 63273dbaca83163ac3a11d57