UltraSack UltraSack

20-11-2016
Mathematics

contestada

prove algebraically that 8.99999... = 9

Respuesta :

charstar charstar

20-11-2016

You can't, it has been done before but there is a fault in the working because the 2 numbers are different. If you want to see a video of someone attempt it, I believe there is a video on the numberphile channel.

Hope this helps :)

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MollyCoyote MollyCoyote

20-11-2016

1/9 = 0.111...
9/9 = 0.999... but also 1 because 9 divided by 9 is 1. Add 8 to both sided to get 8.9999... and 9

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