[beginarrayl 2&15&3endarray]

Perguntas Frequentes

• Calcule o determinante $\left[\begin{array}{lc}2& 1\\ 5& 3\end{array}\right]$

  

  $$1$$

• Encontre a matriz inversa $\left[\begin{array}{lc}2& 1\\ 5& 3\end{array}\right]$

  

  $$\left[\begin{array}{ll}3& -1\\ -5& 2\end{array}\right]$$

• Encontre a transposição da matriz $\left[\begin{array}{lc}2& 1\\ 5& 3\end{array}\right]$

  

  $$\left[\begin{array}{ll}2& 5\\ 1& 3\end{array}\right]$$

• Encontre os autovalores $\left[\begin{array}{lc}2& 1\\ 5& 3\end{array}\right]$

  

  $${\lambda }_1=\frac{5-\sqrt{21}}{2},{\lambda }_2=\frac{5+\sqrt{21}}{2}$$

• Encontre a forma escalonada de linhas $\left[\begin{array}{lc}2& 1\\ 5& 3\end{array}\right]$

  

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

• Encontre a forma escalonada de linha reduzida $\left[\begin{array}{lc}2& 1\\ 5& 3\end{array}\right]$

  

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