Respuesta :

caylus

Hello

Answer un excel file

[tex]\left[\begin{array}{ccc}3&2&-1\\1&-2&-4\\2&1&2\end{array}\right] *\left[\begin{array}{c}x\\y\\z\end{array}\right] =\left[\begin{array}{c}17\\5\\5\\\end{array}\right][/tex]

Gaussian 's method

x=3

y=3

z=-2

Ver imagen caylus