Subject

    Quantitative Aptitude

    Topic

    Partnership

    If a=-1, then, (a4+a3+a2+a)=

    ক)
    -10
    খ)
    -4
    গ)
    0
    ঘ)
    4

    Explanation

    (a4+a3+a2+a) = [(-1)4+(-1)3+(-1)2+(-1)] = (1-1+1-1) = 0

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