## osanseviero Group Title Is there a limit for this series?: one year ago one year ago

1. osanseviero

$an = \left\{ an= \frac{ 1 }{ 2 }\left( a _{n-1}+\frac{ 10 }{ a _{n-1} } \right) \right\} for n \ge2$

2. osanseviero

Can I get it with the things I have?