\"\"

\

The first term of the geometric series is \"\".

\

The common ratio is \"\".

\

The sum of infinite geometric series is \"\", \"\".

\

Substitutte \"\" and \"\".

\

\"\"

\

\"\"

\

\"\"

\

\"\".

\

The sum of infinite geometric series is \"\".

\

\"\"

\

The sum of infinite geometric series is \"\".