Multiple Choice Questions on If alpha beta gamma delta are the roots of the equation 3x sup2 2x 1 4x sup2 3x 2 0 then find 2........... for CDS Exam Preparation

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Multiple Choice Questions

If alpha beta gamma delta are the roots of the equation 3x sup2 2x 1 4x sup2 3x 2 0 then find 2...........

Quantitative Aptitude (CDS) Quadratic Equations
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    If α ,β , γ,δ are the roots of the equation (3x²-2x+1 )(4x²-3x+2)=0 then find  (2-α)(2-β)(2-γ)(2-δ ).

    6

    Incorrect Answer

    -8

    Incorrect Answer

    12

    Incorrect Answer

    9

    Correct Answer
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    Explanation:
    expression ax^4+bx^3+cx^2+dx+e= a(x-α)(x-β)(x-γ)(x-δ)
    putting x = 2 we get (2-α)(2-β)(2-γ)(2-δ ) = 9
     
     
     

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