Multiple Choice Questions on I 25x sup2 35x 12 0 II 10y sup2 9y 2 0 ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

I 25x sup2 35x 12 0 II 10y sup2 9y 2 0 ........

Quantitative Aptitude ( CCS) Quadratic Equations
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    I. 25x² + 35x + 12 = 0

    II. 10y² + 9y + 2 = 0

    y > x

    Correct Answer

    No relation

    Incorrect Answer

    x > y

    Incorrect Answer

    y ≥ x

    Incorrect Answer
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    Explanation:

    I. 25x² + 35x + 12 = 0
    ⇒ 25x² + 20x + 15x + 12 = 0
    ⇒ (5x + 4) (5x + 3) = 0
    ⇒ ?? = − 4/5 , − 3/5
    II. 10y² + 9y + 2 = 0
    ⇒ 10y² + 5y + 4y +2 = 0
    ⇒ (2y + 1) (5y + 2) = 0
    ⇒ y = − 1/2 , − 2/5
    y > x

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