Subject

    Bank Exam

    Topic

    Joint Recruitment Test for 5 Banks - (Cash) - 25.03.2022

    y²-15y+56=0,then y=?

    ক)
    -5 and 6
    খ)
    -7 and 8
    গ)
    6 and 9
    ঘ)
    7 and 8

    Explanation

    দেওয়া আছে , y²-15y+56=0 বা, y²-8y-7y+56 =0 বা, y(y-8)-7(y-8)=0 ∴ (y-8)(Y-7)=0 অতএব, y=7,8

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