MCQ
दिया है कि $A ^{-1}=\frac{1}{7}\left[\begin{array}{cc}2 & 1 \\ -3 & 2\end{array}\right]$ है, तो आव्यूह A है-
- ✓$7\left[\begin{array}{cc}2 & -1 \\ 3 & 2\end{array}\right]$
- B$\left[\begin{array}{cc}2 & -1 \\ 3 & 2\end{array}\right]$
- C$\frac{1}{7}\left[\begin{array}{cc}2 & -1 \\ 3 & 2\end{array}\right]$
- D$\frac{1}{49}\left[\begin{array}{cc}2 & -1 \\ 3 & 2\end{array}\right]$