# If #f′(x_0) = 5#, then #lim_{ℎ→0} (f(x_0+ℎ)−f(x_0−ℎ))/ℎ# ?

##
If #f′(x_0) = 5," then "lim
ℎ→0
{f(x_0+ℎ)−f(x_0−ℎ)}/
ℎ ?#

If

##### 2 Answers

10

#### Explanation:

Since

but this also means that

or

Now

#### Explanation:

Note that,

Also,

Let,

**Subtracting**