find the product of a raise to power 2 ×(2a power 22 )×(4a power 26)
Answers
Answered by
1
Step-by-step explanation:
2x=−1+
3
i⇒x=
2
−1+
3
i
=ω, cube root of unity
∴(1−x
2
+x)
6
−(1−x+x
2
)
6
=(1−ω
2
+ω)
6
−(1−ω+ω
2
)
6
=(−2ω
2
)
6
−(−ω−ω)
6
, since 1+ω+ω
2
=0
=2
6
ω
12
−2
6
ω
6
=2
6
−2
6
=0, since ω
3
=1
Similar questions