Mathematics - Complex Number Question with Solution | TestHub

$z_1$ lies on a circle of radius $\frac{1}{2}$ and $z_2$ lies on a circle of radius 1 .

both $z_1$ and $z_2$ lie on the same circle. both $z_1$ and $z_2$ lie on the same circle.

either $z_1$ lies on a circle of radius $\frac{1}{2}$ or $z_2$ lies on a circle of radius 1 .

either $z_1$ lies on a circle of radius 1 or $z_2$ lies on a circle of radius $\frac{1}{2}$.