What is 2 x 2?
Posted by mathfail
on September 2, 2011
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(4.73 from 15 votes)
1/(1-x) only has an expansion if |x|<1….
-2 = 1 / (1 – 3/2) = 1 – 3/2 – 3/4 – 3/8 – 3/16 – 3/32 …