One cube root of
is
and
.









.
.
To find the cube roots of
, write
in polar form.


.
Find
.
If
, then
.


.
Polar form of
is
.
Write an expression for the cube roots.
\
.
Let
successively to find the cube roots.
Substitute
in
.




.
Substitute
in
.





.
Substitute
in
.




.
Substitute
in
.




.
Cube roots are
,
,
and
.
.
Cube roots are
,
,
and
.