If `omega ` be a nth root of unity, then `1+omega+omega^2+…..+omega^(n-1)` is (a)0(B) 1 (C) -1 (D) 2

If omega is a cube root of unity, then 1+omega = …..

If omega is a cube root of unity, then 1+ omega^(2)= …..

if 1 , omega ,omega^2 ,............. omega^(n-1) are nth roots of unity , then (1-omega) (1-omega^2).......(1-omega^(n-1)) equal to

If omega is a cube root of unity , then |(x+1 , omega , omega^2),(omega , x+omega^2, 1),(omega^2 , 1, x+omega)| =

If omega is an imaginary cube root of unity, then (1+omega-omega^2)^7 is equal to 128omega (b) -128omega 128omega^2 (d) -128omega^2

If omega is an imaginary cube root of unity, then (1+omega-omega^2)^7 is equal to 128omega (b) -128omega 128omega^2 (d) -128omega^2

If omega is a complex cube root of unity, then (1-omega+omega^(2))^(6)+(1-omega^(2)+omega)^(6)=

If omega(ne1) is a cube root of unity, then (1-omega+omega^(2))(1-omega^(2)+omega^(4))(1-omega^(4)+omega^(8)) …upto 2n is factors, is

If 1,omega,omega^(2),...omega^(n-1) are n, nth roots of unity, find the value of (9-omega)(9-omega^(2))...(9-omega^(n-1)).

If 1.omega, omega^2 are the roots of unity, then Delta=|(1,omega^n,omega^(2n)),(omega^n,omega^(2n),1),(omega^(2n),1,omega^n)| is equal to