Mathematics

Mathematics

Problem

Let 0<t<10<t<1. Consider the two series A=∑n=0∞tnA = \displaystyle \sum_{n=0}^{\infty} t^{n} and B=∑n=0∞(0.5)n.B = \displaystyle \sum_{n=0}^{\infty} \left(0.5\right)^{n}. Determine all values of tt for which the sum of series AA is greater than the sum of series BB.

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