3x-4y-z=0,2x+y-8z=011x-33z=0x=3zy=2zx2+y2+z2/xy+yz+2zx这是个齐次式,分子分母都除以z^2x2+y2+z2/xy+yz+2zx=(9+4+1)/(6+2+6)=1.❤您的问题已经被解答~~(>^ω^<)喵如果采纳的话,我是很开心的哟(~ o ~)~zZ
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