a^2+b^2-2a+6b+10=(a-1)^2+(b-3)^2=0所以,a-1=b-3=0a=1,b=3b^a=3^2=9
a^2+b^2-2a+6b+10=0 (a-1)^2+(b+3)^2=0a=1,b=-3b^a=-3
a^2-2a+1+b^2+6b+9=0(a-1)^2+(b+3)^2=0a=1 b=-3b^a=-3
a^2+b^2-2a+6b+10=0配方后a=1b=-3b^a=-3