Question
$A = \left[ {\begin{array}{*{20}{c}}5&{ - 3}\\2&4\end{array}} \right]$ और $B = \left[ {\begin{array}{*{20}{c}}6&{ - 4}\\3&6\end{array}} \right],$ तो $A - B = $
$\therefore$ $A - B = \left[ {\begin{array}{*{20}{c}}{ - 1}&{\,\,\,1}\\{ - 1}&{ - 2}\end{array}} \right]$.
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