4x*x-4x+9y*y-12y+5=0谁会啊?帮帮忙了!拜托了!...............................................................................................................
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/25 23:27:23
x)3Ъ5жԪ5465xɞYOv?ݱ|MYg3@,="}K:05Ԍ3052dǒ';V;ŖϦnx>{ӮOM7ydҧ[_.lzBzMd.O;f5勁fTTE^,\|ɮ;7?F 16`QБZ
HK!$
P 6a ?l
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