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Byju's Answer
Standard XII
Mathematics
Real Valued Functions
If ω be a com...
Question
If
ω
be a complex cube root of unity, then
∣
∣ ∣ ∣
∣
1
ω
−
ω
2
2
1
1
1
1
−
1
0
∣
∣ ∣ ∣
∣
=
A
1
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B
ω
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C
ω
2
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Solution
∣
∣ ∣ ∣
∣
1
ω
−
ω
2
2
1
1
1
1
−
1
0
∣
∣ ∣ ∣
∣
=
−
1
2
∣
∣ ∣
∣
1
ω
ω
2
1
1
−
2
1
−
1
0
∣
∣ ∣
∣
=
−
1
2
∣
∣ ∣
∣
0
ω
ω
2
0
1
−
2
0
−
1
0
∣
∣ ∣
∣
=
0
,
(
A
p
p
l
y
C
1
→
C
1
+
C
2
+
C
3
)
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Similar questions
Q.
If
ω
be a complex cube root of unity, then
∣
∣ ∣ ∣
∣
1
ω
−
ω
2
2
1
1
1
1
−
1
0
∣
∣ ∣ ∣
∣
=
Q.
If
ω
is a complex cube root of unity, then the determinant
∣
∣ ∣
∣
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−
1
0
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∣ ∣
∣
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Q.
If
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∣
∣ ∣ ∣
∣
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+
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ω
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∣ ∣ ∣
∣
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If
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∣ ∣ ∣
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then
Q.
ω
is a complex cube root of unity then
∣
∣ ∣ ∣
∣
1
1
+
w
1
+
w
2
1
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1
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