Checkout JEE MAINS 2022 Question Paper Analysis : Checkout JEE MAINS 2022 Question Paper Analysis :

If 1, omega and omega ^2 are the cube roots of unity, then omega((1+ omega)^3- (1+ omega )^2) is equal to (1) 1 (2) -1 (3) i (4) 0

ω(1+ ω)3– (1+ω)2 = ω((-ω2)3-(-ω2)2)

= ω(-1-ω)

= ωω2

= ω3

= 1

Hence option (1) is the answer.

Was this answer helpful?

 
   

5 (1)

(4)
(1)

Choose An Option That Best Describes Your Problem

Thank you. Your Feedback will Help us Serve you better.

Leave a Comment

Your Mobile number and Email id will not be published. Required fields are marked *

*

*

Ask
Question