Question

If ω ≠ 1 is a cubic root of unity and (1 + ω)⁷ = A + B ω, then (A, B) equal to ______ 

(a) (1, 0) 

(b) (-1, 1) 

(c) (0, 1) 

(d) (1, 1)

Answer 1

(d) The answer is (1, 1)