Question

2x+y+3z = 0
x+2y = 0
x+3y+z = 0
tentukan SPL homogen tsb? tolong ya, saya bingung

Answer 1

X+3y+z = 0
x+ 2y = 0 
kurangkan
y + z = 0
..
x+ 2y = 0 --> x = - 2y sub ke 2x+y +3z = 0
2(-2y) +y + 3z = 0
-3y + 3z = 0 --> y - z = 0
..
y+z = 0
y-z = 0
y= 0
z = 0
x = 0