\
.
\
Find
.
\
Find the limit of the series
as
.
\ \
\
\
As
,
.
\
\
.
\
\
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4066bd6b485c5703d5bab94ca611f9c0.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9c41dfb0aae3f8b4c7d577dcbfc962c6.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=22a5ca762df0a19294ed5a7d95cf1e09.png\")
as ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0290aace5ffc934f18c8ced6f08b996e.png\")
. \ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ed251e8a719fcd4a415f227ff8b2fb49.png\")
, ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2384f6b2ffd4de93b1f7b0256d5c1fd2.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=27612fb5d9d865703a75f4ebb9d418f9.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1277b89e03075f8d16ad720767902503.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1277b89e03075f8d16ad720767902503.png\")
.