# How do you find the derivative of # x#?

##### 1 Answer

Jul 30, 2016

Power rule or limit definition.

#### Explanation:

The power rule gives it to you straight away:

#d/(dx) x = d/(dx) x^1 = 1*x^0 = 1#

Alternatively using the limit definition.

Let

#=lim_(h->0) ((a+h)-a)/h#

#=lim_(h->0) h/h#

#=lim_(h->0) 1#

#=1#