4x*x-4x+9y*y-12y+5=0谁会啊?帮帮忙了!拜托了!...............................................................................................................
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4x*x-4x+9y*y-12y+5=0谁会啊?帮帮忙了!拜托了!...............................................................................................................
4x*x-4x+9y*y-12y+5=0
谁会啊?帮帮忙了!拜托了!...............................................................................................................
4x*x-4x+9y*y-12y+5=0谁会啊?帮帮忙了!拜托了!...............................................................................................................
(2x-1)^2+(3y-2)^2=0
两个非负数相加得0,所以必须是两个数同时为0
则2x-1=0.3y-2=0
解得x=1/2,y=2/3
^表示平方
(2X-1)*(2X-1)+(3Y-2)(3Y-2)=0
X=1/2 Y=2/3