Subject

    Quantitative Aptitude

    Topic

    Number

    If 1/a+1/b+1/c = 1/(a+b+c) where a+b+c not equals '0', abc not equals '0', What is the value of (a+b) (b+c) (a+c) ?

    ক)
    3
    খ)
    4
    গ)
    0
    ঘ)
    1

    Explanation

    Let assume the value of a,b &c that will satisfy the equation. so a=1,b=1,c= -1 or a=1,b= -1 &c=1 or a= -1,b=1,c=1 here all three cases satisfy the equation assume any one a=1,b=1,c= -1 Hence (a+b)(b+c)(c+a)=(1+1)(1-1)(-1+1) = 0

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