MCQ
$A=\left[\begin{array}{cc}1 & -1 \\ 2 & 3\end{array}\right]$ तब :
  • A
    $A^{-1}=\left[\begin{array}{lll}3 / 5 & 1 / 5 \\ 2 / 5 & 1 / 5\end{array}\right]$
  • B
    $|A|=+0$
  • C
    $|A|=5$
  • D
    $A^2=A$

Answer

(A, C)

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free