Let be any of the roots depicted.
From the diagram radius of the circle is .
Since lies on a circle of radius
,
.
Consider the roots as ,
and
.
The root can be represented by
.
The root can be represented by
.
The root can be represented by
.
The roots in polar form are
\,
and
.
Find the complex number.
\To find the complex number apply De Moivre’s Theorem to anyone of the root.
\De Moivre’s Theorem to find polar form of complex number : .
.
Complex number with the given roots is .
The roots in polar form are
\,
and
.
Complex number with the given roots is .