Relations And Functions

  • Question
    CBSEENMA11013282

    Write the following sets in the roster form :

    D = {x : x is a prime number which is divisor of 60}

    Solution

    D = {x : x is a prime number which is divisor of 60}
    The divisors of 60 are :
    1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

    ∴ x =  prime divisor of 60 = 2, 3, 5
    Hence roster form of D is {2, 3, 5}


    Delhi University

    NCERT Book Store

    NCERT Sample Papers

    Entrance Exams Preparation