Question
Classify the following matrix $: \left|\begin{array}{ll} 1 & 1 \\ 0 & 9 \end{array}\right| $
✓
Answer
$ \begin{array}{l} \left|\begin{array}{ll} 1 & 1 \\ 0 & 9 \end{array}\right| \end{array} $
$ \text { order }=2 \times 2 $
A rectangular matrix of $2 \times 2$.
$ \text { order }=2 \times 2 $
A rectangular matrix of $2 \times 2$.
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