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Matrices — Mathematics STD 10 — Question

ICSE BoardEnglish MediumSTD 10MathematicsMatrices1 Mark
Question
Wherever possible write of the following as a single matrix
$\left[\begin{array}{ll}1 & 2 \\ 3 & 4\end{array}\right]+\left[\begin{array}{cc}-1 & -2 \\ 1 & -7\end{array}\right]$
✓

Answer

$\left[\begin{array}{ll}1 & 2 \\ 3 & 4\end{array}\right]+\left[\begin{array}{cc}-1 & -2 \\ 1 & -7\end{array}\right]=\left[\begin{array}{ll}1-1 & 2-2 \\ 3+1 & 4-7\end{array}\right]=\left[\begin{array}{cc}0 & 0 \\ 4 & -3\end{array}\right]$

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