Question

Find the value of

                            

Solution

Correct option is

100

100th roots of unity are 

                 

                                                       

SIMILAR QUESTIONS

Q1

If z1, z2, z3 are three complex numbers such that 4z­1 – 7z2 + 3z3 = 0, then z­1, z2, z3 are

Q2

If z2/(z – 1) is always real, then z can lie on

Q3

Which of the following satisfies |z + 1| = z + 2 + 2i

Q4

Let S denote the set of complex numbers z such that the S is contained in

Q6
Q7
Q8

Value of k.

Q9

find the value of