It’s true, so why so many wrong proofs?
There are many incorrect proofs that .999... = 1 on YouTube and elsewhere. In this video we see why all those proofs are wrong, and then demystify what is actually meant when a mathematician says .999... = 1 and I explain why it is actually true. Did your favorite math creator make one of these mistakes?
*Title only applies before the first viewing of this video and only to people who have not studied real analysis.
― mCoding with James Murphy ()
References on the standard definition of decimals and repeating decimals (please read if you are confused or unsure about the standard notation):
~bertram/courses/4030/
~comez/Decimal
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