过点A(1,-1)与B(-1,1)且圆心在直线x+y-2=0上的圆的方程为( )
A.(x-3)2+(y+1)2=4 | B.(x-1)2+(y-1)2=4 |
C.(x+3)2+(y-1)2=4 | D.(x+1)2+(y+1)2=4 |
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过点A(1,-1)与B(-1,1)且圆心在直线x+y-2=0上的圆的方程为( )
A.(x-3)2+(y+1)2=4 | B.(x-1)2+(y-1)2=4 |
C.(x+3)2+(y-1)2=4 | D.(x+1)2+(y+1)2=4 |