Quadratic EquationHard

Question

If α, β, γ are the roots of equation x3 - 2x2 + 3x - 2 = 0 then is euqal to :-

Options

A.2/3
B.-2/3
C.1
D.None of these

Solution

α + β + γ = 2
αβ + βγ + γα = 3
αβγ = 2

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