问题
填空题
已知x2-10x+4y2+4y+26=0,那么x=______,y=______.
答案
∵x2-10x+4y2+4y+26=0,
∴(x-5)2+(2y+1)2=0,
∴x-5=0,2y+1=0,
∴x=5,y=-
.故填5,-1 2
.1 2
已知x2-10x+4y2+4y+26=0,那么x=______,y=______.
∵x2-10x+4y2+4y+26=0,
∴(x-5)2+(2y+1)2=0,
∴x-5=0,2y+1=0,
∴x=5,y=-
.故填5,-1 2
.1 2