Question

Matrices

Answer 1

\[Find~the~inverse~matrix~of \left[\begin{matrix}4 & 1 \\ -8 & -3\end{matrix}\right]~given~that\]\[\left[\begin{matrix}3 & 1 \\ -8 & -4\end{matrix}\right]~\left[\begin{matrix}4 & 1 \\ -8 & -3\end{matrix}\right]=\left[\begin{matrix}4 & 0 \\ 0 & 4\end{matrix}\right]\]

Answer 2

\[A~\left[\begin{matrix}3 & 1 \\ -8 & -4\end{matrix}\right]\]\[B~\left[\begin{matrix}-4 & -1 \\ 8 & 3\end{matrix}\right]\]\[C~\left[\begin{matrix}\frac{ 3 }{ 4 } & \frac{ 1 }{ 4 } \\ -2 & -1\end{matrix}\right]\]\[D~\left[\begin{matrix}-1 & -\frac{ 1 }{ 4 } \\ 2 & \frac{ 3 }{ 4 }\end{matrix}\right]\]

Answer 3

@ganeshie8

Answer 4

The inverse of 2x2 matrix