The equation `|z-i|=|z-1|,i= sqrt(-1)`represents

The equation |z-1|=|z+1|,i= sqrt(-1) represents =

The equation |z-i|=|x-1|, i=sqrt(-1) , represents :

The complex equation |z+1-i|=|z+i-1| represents a

Q.2 The equation |z+1-i|=|z+i-1| represents a

The complex equation |z + 1- i| = |z + i-1| represents a

The equation |z - i| = |z - 1| represents :

The equation |z+i|-|z-i|=k represents a hyperbola, if

The equation |z+1-i|=|z-1+i| represents a

If the equation |z-z_1|^2 + |z-z_2|^2 =k , represents the equation of a circle, where z_1 = 3i, z_2 = 4+3i are the extremities of a diameter, then the value of k is