![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The given limit is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=07ce4dd20baba704763e770ff4c96c77.png\")
.
Observe the graph, As x gets closer to 0 from right side, but remains positive,
\the value of x always equals to 1.
\As x gets closer to 0 from left side, but remains negative.
\Since there is no single number that the values of f(x) are exist at x = 0.
\we can conclude that does not exist.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The limit does not exist.