很高兴为您回答;
x^2+y^2-2x+6y+10=0
x²-2x+1+y²+6y+9=0
(x-1)²+(y+3)²=0
∴(x-1)=0 (y+3)²=0
x=1 y=- 3
x^2008-1/y
=1+1/3
=4/3
THANKS THANKS THANKS
已知x^2+y^2-2x+6y+10=0
很高兴为您回答;
x^2+y^2-2x+6y+10=0
x²-2x+1+y²+6y+9=0
(x-1)²+(y+3)²=0
∴(x-1)=0 (y+3)²=0
x=1 y=- 3
x^2008-1/y
=1+1/3
=4/3
THANKS THANKS THANKS