Question

If α, β, γ are the angles of a triangle, then |( e^2iα,e^-iγ , e^-iβ ), ( e^-iγ ,e^2iβ ,e^-iα ),( e^-iβ ,e^-iα, e2iγ )| = (where i = √–1 )

(A) – 4 

(B) 4 

(C) 0 

(D) 2

Answer 1

Correct Option :- (A) – 4

Explanation :-