integrals.wolfram.com   Use one of Mathematica's 2500+ functions FREE online

Wolfram Mathematica Online Integrator
The world's only full-power integration solver
∫
Log[a + b*x^4]/(4*b)

Integrate[x^3/(a + b*x^4), x] ==
Log[a + b*x^4]/(4*b) 

              3
             x
Integrate[--------, x] == 
                 4
          a + b x

           4
Log[a + b x ]
-------------
     4 b
Time to compute: < 0.01 second
Spread the word: