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Math Help - help me out

  1. #1
    Junior Member
    Joined
    Sep 2012
    From
    Kota
    Posts
    73

    help me out

    a,b and c are 3 different digits of the number ABC where a,c is not equal to zero. the number got by reversing the digits is added to ABC and the sum is a perfect square. find all such 3 digit numbers.
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  2. #2
    Junior Member
    Joined
    Oct 2012
    From
    Germany
    Posts
    27
    Thanks
    4

    Re: help me out

    Hi,
    100*a+10*b+c+
    100*c+10*b+100*a =
    101*(a+c)+20*b
    Prove
    a+c =3,4,5...
    and b= 1,2,3,4...
    and see...
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