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$α, β, γ$ are the root of $x^{3} - 2 x^{2} - x + 2 = 0$ . Centroid of triangle with verties $(α, β, γ)$ , $(β, γ, α), (γ, α, β)$ is

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Correct option is C

s1=α+β+γ=2s2=αβ+βγ+γα=−1α+β+γ3,α+β+γ3,α+β+γ3

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α,β,γ are the root of x3−2x2−x+2=0. Centroid of triangle with verties α,β,γ, (β,γ,α),(γ,α,β) is

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$α, β, γ$ are the root of $x^{3} - 2 x^{2} - x + 2 = 0$ . Centroid of triangle with verties $(α, β, γ)$ , $(β, γ, α), (γ, α, β)$ is