x^2+y^2-8x+10y+41=0求(x+y)^2013

问题描述:

x^2+y^2-8x+10y+41=0求(x+y)^2013

x^2+y^2-8x+10y+41=0
(x-4)^2+(y+5)^2=0
x=4,y= - 5
x+y=-1
(x+y)^2013=-1