Respostas

2014-01-18T14:02:10-02:00
Formar a matriz A= (aij) 2x2 ----> aij=2i+j=-1




2014-01-18T18:36:04-02:00
Formar  a matriz A=(aij)2x2 definida por aij= 2i+j=-1.

  \left[\begin{array}{cc}a_{11}&a_{12}\\a_{21}&a_{22}\end{array}\right]

  \left[\begin{array}{cc}2.1+1=-1&2.1+2=-1\\2.2+1=-1&2.2+2=-1\end{array}\right] \\ \\   \left[\begin{array}{cc}4&5\\6&7\end{array}\right]