यदि \( A=\left[\begin{array}{ccc}1 & 2 & -5 \\ -3 & 4 & 6\end{array}\right] \) और \( B=\left[\be...
यदि \( A=\left[\begin{array}{ccc}1 & 2 & -5 \\ -3 & 4 & 6\end{array}\right] \) और \( B=\left[\begin{array}{ccc}-2 & 3 & -4 \\ 1 & 2 & 3\end{array}\right] \), तो \( 2 A+B \) का मान ज्ञात कीजिए।
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