Inverse Matrix/62/Aufgabe/Lösung

${}{\begin{pmatrix}1&8&0\\3&2&1\\0&0&2\end{pmatrix}}$	${}{\begin{pmatrix}1&0&0\\0&1&0\\0&0&1\end{pmatrix}}$
${}{\begin{pmatrix}1&8&0\\0&-22&1\\0&0&1\end{pmatrix}}$	${}{\begin{pmatrix}1&0&0\\-3&1&0\\0&0&{\frac {1}{2}}\end{pmatrix}}$
${}{\begin{pmatrix}1&8&0\\0&-22&0\\0&0&1\end{pmatrix}}$	${}{\begin{pmatrix}1&0&0\\-3&1&-{\frac {1}{2}}\\0&0&{\frac {1}{2}}\end{pmatrix}}$
${}{\begin{pmatrix}1&8&0\\0&1&0\\0&0&1\end{pmatrix}}$	${}{\begin{pmatrix}1&0&0\\{\frac {3}{22}}&-{\frac {1}{22}}&{\frac {1}{44}}\\0&0&{\frac {1}{2}}\end{pmatrix}}$
${}{\begin{pmatrix}1&0&0\\0&1&0\\0&0&1\end{pmatrix}}$	${}{\begin{pmatrix}-{\frac {1}{11}}&{\frac {4}{11}}&-{\frac {2}{11}}\\{\frac {3}{22}}&-{\frac {1}{22}}&{\frac {1}{44}}\\0&0&{\frac {1}{2}}\end{pmatrix}}$

Zur gelösten Aufgabe