Let `z = x + iy`, where x and y are real. Thepoints `(x, y)` in the `X - Y` plane for which `(z + i)/(z-i)` is purely imaginary lie on

Let z=x+iy , where x and y are real. The points (x,y) in the xy-plane of which (z+1)/(z-1) is purely imaginary, lie on

Suppose z=x+iy where x and y are real numbers and i=sqrt(-1) . The points (x ,y) for which (z-1)/(z-i) is real . Lie om -

Suppose z=x+iy where x and y are real numbers and i=sqrt(-1) the points (x,y) for which (z-1)/(z-i) is real lie on

If z = x + i y and P represents z in the Argands plane. Find the locus of P when: (z - i) / (z - 1) is purely imaginary.

If z=x+iy , where x and y are real numbers and |x|+|y| lt= k|z| then k=.....

Let x,y ∈ R, then x+iy is a purely imaginary number if

If z = x +iy and if the point P in the argand plane represents z then find the locus of P satisfying the equation (z - i)/(z -1) is purely imaginary

If (z - i)/(z +1) is purely imaginary then the locus of z = x +iy is