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    Subject

    Quantitative Aptitude

    Topic

    Power & Logarithm

    If a = 1039, then the value of √(4a2- 4a + 1) + 3a is:

    ক)
    0.1039
    খ)
    0.2078
    গ)
    1.1039
    ঘ)
    2.1039

    Explanation

    √(4a2 - 4a + 1) + 3a = √ ((1)2 + (2a)2 - 2 x 1 x 2a) + 3a = √((1 - 2a)2)+ 3a = (1 - 2a) + 3a = (1 + a) = (1 + 0.1039) = 1.1039

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