The value of a + CW + cw²/ C + aw + bw²
Answers
Answered by
4
Step-by-step explanation:
Since w being cube root of unity then w
3
=1.
Then,
(c+aw+bw
2
)
(a+bw+cw
2
)
=w
2
w
2
(c+aw+bw
2
)
(a+bw+cw
2
)
=w
2
(a+bw+cw
2
)
(a+bw+cw
2
)
[ Since w
3
=1,w
4
=w.]
=w
2
.
Similar questions