# plz find matrix satisfies these

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• April 25th 2008, 11:58 AM
szpengchao
plz find matrix satisfies these
• April 25th 2008, 10:56 PM
Isomorphism
Quote:
B = $\left[ \begin{array}{cc} 1 & -1 \\ 1 & 1 \end{array} \right]$
• April 25th 2008, 11:30 PM
Moo
Hello,

$B=\begin{pmatrix} 0 & -1 \\ 1 & 0\end{pmatrix}$ would fit in too :D

For C, you just have to find a matrix whose determinant is 0. (Surprised)
• April 25th 2008, 11:33 PM
Moo
$D=\begin{pmatrix} 0 & -1 \\ 1 & 0\end{pmatrix}$ too :D