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Question

If α and β are roots of x22x1=0, find the value of a2β+β2α.

A
-3
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B
-2
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C
2
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D
None of these
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Solution

The correct option is A -2
Here, α+β=2,αβ=1
Now, α2β+αβ2=αβ(α+β)
=1(2)=2

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