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Matrics — Maths STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMathsMatrics1 Mark
Question
Apply the given elementary transformation on each of the following matrices.
$A=\left[\begin{array}{cc}1 & 0 \\ -1 & 3\end{array}\right], R_1 \leftrightarrow R_2$
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Answer

$A=\left[\begin{array}{cc}1 & 0 \\-1 & 3\end{array}\right]$

By $R_1 \leftrightarrow R_2$, we get,

$A \sim\left[\begin{array}{rr}-1 & 3 \\1 & 0\end{array}\right]$

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