若4^2-4x+y^2-6y+10=0求x^y若4x^2-4x+y^2-6y+10=0求x^y 打错了
问题描述:
若4^2-4x+y^2-6y+10=0
求x^y
若4x^2-4x+y^2-6y+10=0
求x^y
打错了
答
4x^2-4x+y^2-6y+10=0
4x^2-4x+1+y^2-6y+9=0
(2x-1)^2+(y-3)^2=0
x=1/2 y=3
x^y=(1/2)^3=1/8