Question

 

Solution

Correct option is

– i

                      

SIMILAR QUESTIONS

Q1

cube root of unity, find the value of

                               

Q2
Q3
Q4

              

Q5

root of unity, then the value of

                         

Q6

Let z1 and z2 be nth roots of unity which subtend a right angle at the origin. Then n must be of the form

Q7

If z­1 and z2 are two nth roots of unity, then  is a multiple of

Q8
Q10