Question 11 MarkIf A and B are two $3 \times 3$ order square matrix such that $| A |=-1,|B|=3$, then $|3 AB |=$_________Answer-81View full question & answer→
Question 21 MarkIf $A =\left[\begin{array}{ll}3 & -4 \\ 1 & -1\end{array}\right]$, then $A ^{-1}=$ _________Answer$\left[\begin{array}{ll}-1 & 4 \\ -1 & 3\end{array}\right]$View full question & answer→
Question 31 MarkIf A has 3 order invertible matrix and $| A |=3$, then $|\operatorname{adj} A |=$ ________ .Answer9View full question & answer→
Question 41 MarkIf $A$ has 3 order invertible matrix and $|A|=4$, then $|\operatorname{adj}(\operatorname{adj} A )|=$ ________ .Answer$4^4$View full question & answer→
Question 51 MarkIf $A =\left[\begin{array}{ll}0 & 3 \\ 2 & 0\end{array}\right]$ and $A ^{-1}=\lambda(\operatorname{adj} A )$, then $\lambda=$ _________Answer$-1 / 6$View full question & answer→
Question 61 MarkIf A and B are two $3 \times 3$ order square matrix and $|A|=5,|B|=5$ then $|3 A B|=$ ________ .Answer405View full question & answer→
Question 71 MarkIf $A =\left[\begin{array}{cc}3 & -5 \\ 2 & 0\end{array}\right]$ and $B =\left[\begin{array}{cc}1 & 17 \\ 0 & -10\end{array}\right]$, then $| AB |=$ ________ .Answer-100View full question & answer→
Question 81 MarkIf A has $3 \times 3$ order square matrix and $| A |=2$, then $\left|- AA ^{ T }\right|=$ ________ .Answer-4View full question & answer→
Question 91 MarkIf $A =\left[\begin{array}{ll}\alpha & 2 \\ 2 & \alpha\end{array}\right]$ and $\left| A ^3\right|=125$, then $\alpha=$ __________ .Answer$\pm 3$View full question & answer→
Question 101 MarkIf A has skew symmetric matrix having order $3 \times 3$, $|A|=$ __________ .Answer0View full question & answer→