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  • 1
    Here is another well-known joke: If x * 0 = y then how to find x ? Commented Jun 9, 2010 at 8:31
  • @paxdiablo: how have you canceled y/(xy) ? You must get 1/x, but not x Commented Jun 9, 2010 at 9:27
  • @psihodelia - i would say that x * 0 = y, find x would be the mathematical equivalent of a rhetorical question. x is anything or nothing, and therefore it has no answer while not requiring an answer just the same. Commented Jun 9, 2010 at 9:49
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    I voted down, because in no way I see the second quote implying that INFINITY is the result of a division by zero, so the question is, in my opinion, ill-posed. Commented Oct 4, 2017 at 18:10
  • 2
    Related The behaviour of floating point division by zero Commented Oct 4, 2017 at 18:19