# How do you evaluate the limit #lim_(x to -1) (3x)/(x^2+2x+1)#?

##### 1 Answer

Oct 24, 2017

The limit does not exist

#### Explanation:

The first method that should always be checked when calculating a limit is substitution. In this case, we substitute the value -1 into the expression. That yields

I would like to point out that an undefined value is different from an indeterminate form. There are many indeterminate form, and the most common indeterminate form that does not include infinity is