If - are the roots of x3-ax2-bx-c-0- then - - - -2- -

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Arithmetic Progression

If α,β,γ ar...

Question

If $α, β, γ$ are the roots of $x^{3} + a x^{2} + b x + c = 0$ , then $\prod (α + β - 2 γ) =$

2 a^{3} - 9 a b + 27 c

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2 a^{3} + 9 a b + 27 c

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2 a^{3} - 9 a o - 27 c

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2 a^{3} + 9 a o - 27 c

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