Question
यदि $A = \left[ {\begin{array}{*{20}{c}}1&{ - 1}\\2&3\end{array}} \right]$, तो $adj$ $ A$ का मान होगा
यहाँ $adj\,(A) = \left[ {\begin{array}{*{20}{c}}3&1\\{ - 2}&1\end{array}} \right]$.
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