Perimeter of the locus represented by `arg((z+i)/(z-i)) = pi/4` equal to

The center of the arc represented by arg [(z-3i)/(z-2i+4)]=(pi)/(4)

Find the center of the are represented by arg[(z-3i)/(z-2i+4)]=pi/4

The locus represented by |z-1|=|z+i| is

The locus represented by |z-1|=|z+i| is:

The locus represented by |z-1|=|z+i| is:

The number of points of intersection of the curves represented by arg(z-2-7i)=cot^(-1)(2) and arg ((z-5i)/(z+2-i))=pm pi/2

The number of points of intersection of the curves represented by arg(z-2-7i)=cot^(-1)(2) and arg ((z-5i)/(z+2-i))=pm pi/2

The locus represented by the equation |z-1| = |z-i| is

The locus represented by the equation |z-1|=|z-i| is