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प्रश्न
Which matrix is a diagonal matrix?
विकल्प
\[\begin{bmatrix}-1.1&2&0\\0&2&0\\0&0&3\end{bmatrix}\]
\[\begin{bmatrix}1&0&3\end{bmatrix}\]
\[\begin{bmatrix}-1.1&0&0\\0&2&0\\0&0&3\end{bmatrix}\]
\[\begin{bmatrix}0\\2\\3\end{bmatrix}\]
MCQ
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उत्तर
The first matrix is square and each non-diagonal element is zero. Therefore, it satisfies the condition for a diagonal matrix.
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