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प्रश्न
For \[\begin{bmatrix}7&8\\9&10\\11&12\end{bmatrix}\], which statement is correct?
पर्याय
\[a_{21}=9\], in Row 2, Column 1.
\[a_{21}=10\], in Row 2, Column 1.
\[a_{21}=8\], in Row 1, Column 2.
\[a_{21}=11\], in Row 3, Column 1.
MCQ
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उत्तर
In \[a_{21}\], the first subscript identifies Row 2 and the second subscript identifies Column 1. The element at Row 2, Column 1 is \[9\].
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