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If $A=\begin{bmatrix}1 &0 \\0& 1… | ClassNotes
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Sep 18, 2022
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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:
$\begin{bmatrix}1 &0 \\0& 1 \end{bmatrix}$
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ID: 63273dbaca83163ac3a11d57
