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Question

Let α, β be the roots of x2+x+1=0. Then the equation whose roots are α229 and α1004 is

A
x2x1=0
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B
x2x+1=0
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C
x2+x1=0
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D
x2+x+1=0
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Solution

The correct option is B x2+x+1=0
α=ω
Hence,
α229=ω
α1004=ω2
Hence, the required equation is x2+x+1=0

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