Subject

    Bank Exam

    Topic

    Uttara Bank Limited (PO)-17.09.2021

    If one of the roots of the quadratic equation x2+mx+24=0 is 1.5, then what is the value of m?

    ক)
    -22.5
    খ)
    16
    গ)
    -17.5
    ঘ)
    10.5

    Explanation

    যেহতু 1.5 সমীকরণটির একটি মূল সেহেতু (1.5) 2 + 1.5m + 24 = 0 ⇒ 2.25 + 1.5m + 24 =0 ⇒ m = - 26.25/1.5 ⇒ m = - 17.5

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