Thursday, January 19, 2006

0.99999 Exactly Equals 1

0.99999 equals 1.

0.9999... = 1 ; x = 0.9999... 10x = 9.9999... 10x - x = 9.9999... - 0.9999... 9x = 9 x = 1. [1]

[1] http://mathforum.org/dr.math/faq/faq.0.9999.html