Question

If w
is imaginary cube root of unity,
(1+w-w²) ^7
equals.
A]1280
B ]
-128 w c] 128 w
D]-128²​

Answer 1

Answer:

If w

is imaginary cube root of unity,

(1+w-w²) ^7

equals.

THE ANSWER FOR THIS QUESTION IS (C) 128 w