## Filters

Sort by :
Clear All
Q

(1+$\omega^{2}$-$\omega$)(1-$\omega^{2}$+$\omega$) is

1. 4

2. $\omega$

3. 2

4. Zero

With the help of 2 properties of cube roots of unity, we can solve this question. Property 1,  Property 2,  Now we have to find the value of (1+-)(1-+) Using property 2,  Now use property 1, Option (1) is correct
Exams
Articles
Questions