已知,4根号x+6根号y-13-x-y=0,求实数x和y的值.
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已知,4根号x+6根号y-13-x-y=0,求实数x和y的值.
已知,4根号x+6根号y-13-x-y=0,求实数x和y的值.
已知,4根号x+6根号y-13-x-y=0,求实数x和y的值.
4√x+6√y-13-x-y=0
x-4√x+4+y-6√y+9=0
(√x-2)²+(√y-3)²=0
∴√x-2=0且√y-3=0
∴x=4,y=9
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