MCQ
यदि $A =\left[\begin{array}{ccc}1 & 0 & 0 \\ 0 & 1 & 0 \\ a & b & -1\end{array}\right]$ तो $A ^2=$
- ✓एकांक आव्यूह
- BA
- Cरिक्त आव्यूह
- D$-A$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.