\"\"

\

The limit is \"\".

\

Definition 2:

\

A sequence \"\" has the limit \"\" and \"\", if for every \"\" there is a corresponding integer \"\" such that

\

if \"\" then \"\".

\

Consider \"\".

\

\"\"

\

\"\"

\

Apply logarithm on each side.

\

\"\"

\

\"\"

\

\"\".

\

Let \"\".

\

The sequence \"\" is strictly decreasing for any integer \"\".

\

Hence \"\".

\

\"\"

\

\"\".