a^2+4b^2-2a+4b+2=0a^2-2a+1+4b^2+4b+1=0,(a-1)^2+(2b+1)^2=0a=1 b=-1/24a^2-1/b=4*1+2=6
a²+4b²-2a+4b+2=0(a-1)²+(2b+1)²=0a-1=0 a=12b+1=0 b=-1/2(4a²-1)/b=(4-1)×(-2)=-6
6
