What is the only integer solution to x2+y2=0x^2 + y^2 = 0x2+y2=0?
x=1,y=−1x=1, y=-1x=1,y=−1
x=0,y=0x=0, y=0x=0,y=0
x=0,y=1x=0, y=1x=0,y=1
x=1,y=1x=1, y=1x=1,y=1