[beginarrayll1&23&4endarray]

Perguntas Frequentes

• Calcule o determinante $\left[\begin{array}{ll}1& 2\\ 3& 4\end{array}\right]$

  

  $$-2$$

• Encontre a matriz inversa $\left[\begin{array}{ll}1& 2\\ 3& 4\end{array}\right]$

  

  $$\left[\begin{array}{ll}-2& 1\\ \frac{3}{2}& -\frac{1}{2}\end{array}\right]$$

• Encontre a transposição da matriz $\left[\begin{array}{ll}1& 2\\ 3& 4\end{array}\right]$

  

  $$\left[\begin{array}{ll}1& 3\\ 2& 4\end{array}\right]$$

• Encontre os autovalores $\left[\begin{array}{ll}1& 2\\ 3& 4\end{array}\right]$

  

  $${\lambda }_1=\frac{5-\sqrt{33}}{2},{\lambda }_2=\frac{5+\sqrt{33}}{2}$$

• Encontre a forma escalonada de linhas $\left[\begin{array}{ll}1& 2\\ 3& 4\end{array}\right]$

  

  $$\left[\begin{array}{ll}1& 2\\ 0& -2\end{array}\right]$$

• Encontre a forma escalonada de linha reduzida $\left[\begin{array}{ll}1& 2\\ 3& 4\end{array}\right]$

  

  $$\left[\begin{array}{ll}1& 0\\ 0& 1\end{array}\right]$$