The equation |z-1|^2+|z+1|^2=2 represent...

The equation `|z-1|^2+|z+1|^2=2` represents (1) a circle of radius 1(2) a straight line (3) the ordered pair (0, 0) (4) none of these

a circle of radius ‘1’

a straight line

the ordered pair

None of these

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