Multiple Choice Questions on Find the roots of quadratic equation 2x2 5x 2 0 ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

Find the roots of quadratic equation 2x2 5x 2 0 ........

Quantitative Aptitude ( CCS) Quadratic Equations
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    Find the roots of quadratic equation: 2x2 + 5x + 2 = 0?

    -2, -1/2

    Correct Answer

    2,1/2

    Incorrect Answer

    3,1/3

    Incorrect Answer

    5,-1/5

    Incorrect Answer
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    Explanation:


    2x2 + 4x + x + 2 = 0
    2x(x + 2) + 1(x + 2) = 0
    (x + 2)(2x + 1) = 0
    => x = -2, -1/2

    By: MIRZA SADDAM HUSSAIN
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