Pembahasan Ujian PAI: A20 – No. 6 – Mei 2018

\(\mathop {\lim }\limits_{n \to \infty } \left. {\left| {\frac{{{a_{n + 1}}}}{{{a_n}}}} \right.} \right| = \mathop {\lim }\limits_{n \to \infty } \left. {\left| {\frac{5}{{n + 1}}} \right.} \right|\)
\(\mathop {\lim }\limits_{n \to \infty } \left. {\left| {\frac{{{a_{n + 1}}}}{{{a_n}}}} \right.} \right| = \frac{1}{\infty } = 0\)