EDB — 1KG

Exercises

1. [1KG]Find two examples of series \( f(t)=∑_{k=0}^∞ a_ k t^ k\) with \(a_ k{\gt}0\) and with radius of convergence \(r\) positive and finite, such that

   • \(f(r){\lt}∞\)

   • \(f(r)=∞\)

   Solution 1

   [1KH]↺↻