Question

Evaluate the limit, if it exists.

Answer 1

Step 1:

The expression is .

Graph the function .

Observe the graph.

 exists for all values of  except at .

As  tends to from the left hand side,  tends to .

As  tends to from the right hand side,  tends to.

Since the left hand limit and the right hand limit are not equal, limit does not exist.

Solution:

does not exist.