Questão 1875079

\(\sum_{j=0}^∞\ \frac{x^j}{j!}\) \(x>0\)

\(\sum_{j=0}^∞\ x^j\) -∞<x<∞

\(\sum_{j=0}^∞\ \frac{x^j}{j!}\) -∞<x<∞

\(\sum_{j=0}^∞\ \left(\frac{1}{1-x}\right)^j\) -∞<x<∞

\(\sum_{j=0}^∞\ \left(\frac{1}{x}\right)^j\) -∞<x<∞