• Answer of this question

    (a b)^2
    Davneet Singh's image
    Davneet Singh

    Hi Mukul,

    (a + b)2 = a2 + b2 + 2ab

    (a - b)2 = a2 + b2 - 2ab


    Written on Aug. 14, 2017, 10:14 a.m.