Question

If ω(≠1) is a cube root of unity and (1 + ω)^7 = A + Bω, than A and B are respectively

Answer 1

Answer:

Step-by-step explanation:

(1+w)^7=A+Bw

(-W^2)^7=A+Bw

-w^14=A+Bw

Comparing

-w^14=Bw

B=-w^13

B=(w^3)^4×-w

B=-w

A=0