已知x눀+y눀+xy-3y+3=0,求x的y次方的值

2025-05-18 05:11:27
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回答1:

x²+y²+xy-3y+3=0
则x²+(1/4)y²+xy+(3/4)y²-3y+3=0
(x+1/2y)²+(根号3/2*y-根号3)²=0
y=2,x=-1
x的y次方=1