Subject

    Quantitative Aptitude

    Topic

    Number

    (xn- an) is completely divisible by (x - a), when

    ক)
    n is any natural number
    খ)
    n is an even natural number
    গ)
    n is and odd natural number
    ঘ)
    n is prime

    Explanation

    For every natural number n, (xn - an) is completely divisible by (x - a).

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