Subject

    Bank Exam

    Topic

    Mutual Trust Bank Ltd. - Management Trainee - 2017

    If (t - 8) is a factor of t2- kt - 48, then k = ?

    ক)
    -6
    খ)
    -2
    গ)
    2
    ঘ)
    6

    Explanation

    Solution: (t - 8) যেহেতু (t 2 - kt - 48) এর একটি উৎপাদক, তাই (t - 8) = 0             => t = 8 হবে । অতএব, t 2 - kt - 48 = 0      => 8 2 - 8k - 48 = 0      => 8k = 64 - 48 = 16      k = 2

    Find Tutors

    View all Tutors