a²+2a+b²-6b+10=0,求ab的解
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a²+2a+b²-6b+10=0,求ab的解
a²+2a+b²-6b+10=0,求ab的解
a²+2a+b²-6b+10=0,求ab的解
a²+2a+b²-6b+10=0,则:
(a²+2a+1)+(b²-6b+9)=0,即:
(a+1)^2+(b-3)^2=0,所以,
a+1=0且b-3=0,则:a=-1且b=3
所以:ab=-3