Question

Find the zeros of polinimial f(z)=8z

Answer 1

Answer is 0 -

The purpose behind this is on account of 8z=0 z=0/8=0.

In more broad circumstance, one needs to locate the aggregate number of turns of Argf(it) (it is a half-whole number if deg of f is odd).

The technique is to discover the crossing point of the bend f(it) with the genuine and the nonexistent hub, to perceive how it enters and leaves the quadrants of the plane.