Question

prove that (1+2w)(1+2w^2)(1-w-w^2)=6​

Answer 1

Answer:

1

Step-by-step explanation:

(1−w+w

2

)

6

+(1−w

2

+w)

6

.

=(−ω−ω)

6

+(−ω

2

−ω

2

)

6

, since ω+ω

2

=−1

=2

6

ω

6

+2

6

ω

12

=2

6

+2

6

=64+64=128, since ω

multiple of 3

=1