Wednesday, 13 May 2015

Curiosa fact about math

19. .999999… = 1

.999999… = 1

Here's the proof:

If 10N = 9.9999...
Then N = .9999....
Subtract N from 10N, leaving you with 9N=9.
So then N=1. But we already know that N=.9999... as well. 
So 1=.9999....

Camila Velasco


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