Question
यदि $A = \left[ {\begin{array}{*{20}{c}}1&{ - 2}\\3&0\end{array}} \right],$ $B = \left[ {\begin{array}{*{20}{c}}{ - 1}&4\\2&3\end{array}} \right]$, $C = \left[ {\begin{array}{*{20}{c}}0&{ - 1}\\1&0\end{array}} \right]$, तो $5A - 3B - 2C$=
$ = \left[ {\begin{array}{*{20}{c}}5&{ - 10}\\{15}&0\end{array}} \right] - \left[ {\begin{array}{*{20}{c}}{ - 3}&{10}\\8&9\end{array}} \right] = \left[ {\begin{array}{*{20}{c}}8&{ - 20}\\7&{ - 9}\end{array}} \right]$.
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