If ω≠1 is a cube root of unity, show that
a
+
bω
+
cω
2
b
+
cω
+
aω
2
+
a
+
bω
+
cω
2
c
+
aω
+
bω
2
=
-
1
Match the items on the right to the items on the left.
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OK
Step 1
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Step 4