Mark the Correct alternative in the following:

If s then |z| =

Mark the Correct alternative in the following:

If then z⁴ equals

Mark the Correct alternative in the following:

If then arg(z) equals

Mark the Correct alternative in the following:

If then |z| =

Mark the Correct alternative in the following:

If z = 1 – cos θ + i sin θ, then |z| =