1=0.999999999999999999999999999999999..., page-21

  1. 2,710 Posts.
    ... means infinitely repeating here again.

    What is ...9999.9999...?
    y = ...9999.9999...
    10 y = ...9999.9999... =  y

    Therefore y=...9999.9999... = 0
    That makes sense?
    ...9999.9999... = ...9999 + 0.999... = (-1) + 1 = 0

    N.B.: 0.9999... = 1 and ...9999 = -1


 
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