Power Series
A power series expresses a function f(x) as an infinite sum (or "series") of terms involving powers of the variable x. Power series can be considered a natural extension of polynomials, w...
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Lima (dpa) - A powerful series of earthquakes - the largest of
them 7.9 magnitude - and aftershocks shook central coastal Peru late
Wednesday, killing 17 people and smashing...
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Power Series
ROUNDUP: Powerful quake rattles Peru, kills 17, triggers warning
