Complex NumbersEasy
Question
If ω is cube root of unity and if n = 3k + 2 then the value of ωn + ω2n is-
Options
A.0
B.−1
C.2
D.1
More Complex Numbers Questions
The least positive value of n for which is a positive integer is -...If z1 and z2 are two non-zero complex numbers such that |z1 + z2| = |z1| + |z2|, then arg (z1) - arg (z2) is equal to...The region of Argand diagram defined by |z − 1| + |z + 1| ≤ 4 is -...Let A, B, C represent the complex numbers z1, z2, z3 respectively on the complex plane. If the circumcentre of the trian...Let $S = \{ z:3 \leq |2z - 3(1 + i)| \leq 7\}$ be a set of complex numbers. Then ${Min}_{z \in S}\left| \left( z + \frac...