If a, b, c are integers and not all are equal, then the least value of |a + bω + cω2| is (where ω and ω2 are non-real cube roots of unity)
(1) 0
(2) 3√2
(3) 1
(4) 1√3
Correct option (3) 1
Explanation:
as a, b, c are not all equal.