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Question

If 1,ω and ω2 are cube root of unity,then their product is

A
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B
ω
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C
1
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D
1
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Solution

The correct option is C 1
1,ω,ω2 are roots of x31=0

Product of roots= 1×ω×ω2

=Constant in Cubic PolynomialCoefficient of x with power 3 in Quadratic polynomal

=(11)

Product of roots=1

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