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What is Cauchy-Hadamard Theorem Insights about?

This document provides two results for computing the radius of convergence R for a power series. The Root Test states that if the limit of the nth root of the absolute value of the coefficients an approaches L, then the radius is L. The Absolute Ratio Test similarly states that if the limit of the ratio of absolute values of successive coefficients approaches L, then the radius is also L. Both results indicate the interval of convergence is (a - R, a + R).

Author

Abhi Deb

Language

EN