Sistem matriceal incompatibil
Posted: Thu Aug 13, 2009 10:56 pm
Demonstrati ca urmatorul sistem este incompatibil in \( \mathcal{M_2}(\mathbb{Z}) \) :
\( X(Y+Z)X=Y(Z+X)Y=Z(X+Y)Z=I_2 \)
M. Mainea
\( X(Y+Z)X=Y(Z+X)Y=Z(X+Y)Z=I_2 \)
M. Mainea