Subject

    MBA Exam

    Topic

    Evening MBA-DU(27th Batch)

    If a+ b = √ 3 and a-b= √ 2  what is the value of 8ab(a2+b2)?

    ক)
    8
    খ)
    9
    গ)
    5
    ঘ)
    6

    Explanation

    8ab(a2+b2)= 4ab X2(a2+b2)                   ={ (a+b)2-(a-b)2} {(a+b)2+(a-b)2}                     =(3-2)(3+2)=5

    Find Tutors

    View all Tutors