What is 2 x 2?

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2 thoughts on “What is 2 x 2?”

Anon
October 8, 2011 at 9:16 am

1/(1-x) only has an expansion if |x|<1….
Ozzy
November 1, 2012 at 9:38 pm

-2 = 1 / (1 – 3/2) = 1 – 3/2 – 3/4 – 3/8 – 3/16 – 3/32 …

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