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Mathematics
Which one of the following matrices does not have an inverse
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Q. Which one of the following matrices does not have an inverse
Matrices
A
$\begin{bmatrix} 1& 0 \\[0.3em] 2 &2 \end{bmatrix}$
26%
B
$\begin{bmatrix} 2& 1 \\[0.3em] 1 &2 \end{bmatrix}$
21%
C
$\begin{bmatrix} 1& 2 \\[0.3em] 2 &1 \end{bmatrix}$
11%
D
$\begin{bmatrix} 1& 1 \\[0.3em] 2 &2 \end{bmatrix}$
42%
Solution:
Correct answer is (d) $\begin{bmatrix} 1& 1 \\[0.3em] 2 &2 \end{bmatrix}$