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Question

If α,β are the roots of x2x+2=0, then α2β+αβ2

A
6
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B
2
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C
6
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D
2
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Solution

The correct option is A 2
x2x+2=0α+β=1αβ=2α2β+αβ2=(αβ)(α+β)=2×1=2

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