Sistemes

Sistemes

Discuteix i resol els sistemes:

1. \( 
   \left \{
   \begin{array}{rr}
   x+y-2z & = 0 \\
   -3x+5y-4z & = -2 \\
   3x+y+z & = 5
   \end{array}
   \right .
    \)
   
   
2. \( \left \{
   \begin{array}{rr}
   2x-y+2z & = 0 \\
   x+3y-z & = -2 \\
   3x+2y+z & = -2
   \end{array}
   \right . \)
   
   
3. \( \left \{
   \begin{array}{rr}
   -2x+6y+z & = 1 \\
   3x+2y-3z & = 4 \\
   x+8y-2z & = 0
   \end{array}
   \right . \)
   
   
4. \( \left \{
   \begin{array}{rr}
   2x-2y+2z & = 0 \\
   x-y+z & = 0 \\
   3x-3y+3z & = 0
   \end{array}
   \right . \)
   
   
5. \( \left \{
   \begin{array}{rr}
   -x-y-z & = 0 \\
   x+4y+2z & = 0 \\
   3x+y+z & = 0
   \end{array}
   \right . \)