Power Series & Intervals of Convergence

Power series are series of the form c_n (x-a)^n where the c_n is a sequence and x is thought of as a variable. Whether it converges or diverges depends on the x. By applying the Ratio Test, we decide the interval upon which the Power Series converges, as well as the "ratio of convergence" and the "center" of the power series. The results turn out very analogous to Geometric Series.

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