α+β=−a/b ,αβ=a/c α+β=−2/− αβ=2 αβ=2/5 α2β+αβ2=αβ(α+β) =(αβ)(α+β) =2/5 ⋅2 =5
If α, β are roots of the equation 2x^2 - 4x + 5 = 0, then α^2β + αβ^2 = ____?
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