Question
यदि $A + B =\left[\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right]$ तथा $A -2 B=\left[\begin{array}{cc}-1 & 1 \\ 0 & -1\end{array}\right]$ तब $A =$ ___________।
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.