x+y+z=0,ax+by+cz=0求x^2/yz的值

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x+y+z=0,ax+by+cz=0求x^2/yz的值
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x+y+z=0,ax+by+cz=0求x^2/yz的值
x+y+z=0,ax+by+cz=0求x^2/yz的值

x+y+z=0,ax+by+cz=0求x^2/yz的值
x+y+z=0,x = -y-z
ax+by+cz=0,-ay-az+by+cz = 0
y = (a-c)z / (b-a)
x = (c-a)z/(b-a) -z = (c-b)z / (b-a)
x^2/yz = (c-b)^2 / [(b-a) /(a-c)]