Question

X+2y-6z= 3
3x+7y+12z= 0
2x+5y+18z= -3

Answer 1

Respuesta:

$x + 2y - 6z = 3 \\ 3xy - 6z = 3 \\ - 3xyz = 3 \\ xyz = 3 \div - 3 \\ xy z = - 1$

$3x + 7y + 12z = 0 \\ 22xyz = 0 \\ xyz = 0 \div 22 \\ xyz = 0$e

$2x + 5y + 18z = - 3 \\ 25xyz = - 3 \\ xyz = - 3 \div 25 \\ xyz = - 0.12$