Problem 88a

Given information

Given :- The function 

To find :- 

To use a CAS to differentiate the given function.

Step-by-step explanation

In wolfram alpha typing the following things give-

der(sqrt((x^4-x+1)/(x^4+x+1)))

The result will be :- 

They usually give the most simplified answer on first time and sometimes list alternate forms below. So, there is no real need to use simplify command.

The alternate form might be considered more helpful for finding zeroes.