RE: By the way, 0.999... = 1
November 3, 2011 at 1:12 pm
(This post was last modified: November 3, 2011 at 1:14 pm by LastPoet.)
(November 3, 2011 at 11:00 am)IATIA Wrote: You cannot use infinities in algebra and a repeating decimal falls into the infinity category.False, you can use infinities in algebra under certain conditions, but it doesn't matter, but we're talking anout DECIMAL representation of a real number. 1/3 and 0.333... are the same Real number and you can perform operations on both.the number 0.2 is considered in the full decimal form to be 0.20000000... , but of course for practical reasond we don't do that!
Quote: A piece of infinity is still infinity.
Really? the Reals Set is infinite set and I can grab both finite and infinite pieces of it, eg. thr set {1,2,3,4,5} (finite) and the Rational Set number(infinite).