\"\"

\

The sequence is \"\".

\

\"\"

\

\

Calculate the first \"\" terms of the sequence.

\

If \"\" then \"\".

\

If \"\" then \"\".

\

If \"\" then \"\".

\

If \"\" then \"\".

\

If \"\" then \"\".

\

If \"\" then \"\".

\

If \"\" then \"\".

\

If \"\" then \"\".

\

If \"\" then \"\".

\

If \"\" then \"\".

\

\

\"\"

\

Graph :

\

\

(1) Draw the coordinate plane.

\

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(2) Graph the first \"\" terms of the sequence.

\

\

\"\"

\

\

Observe the graph :

\

As \"\" tends to \"\", \"\" approaches to \"\".

\

The sequence convergences to \"\".

\

\"\"

\

The sequence is \"\".

\

Find the limit of the sequence.

\

\"\"

\

\"\"

\

As \"\", \"\".

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\"\"

\

\"\".

\

\"\"

\

The sequence convergences to \"\".