/ _________ \ x*log\\/ 3*x + 1 , 10/
x*log(sqrt(3*x + 1), 10)
3*x / _________ \ ----------- + log\\/ 3*x + 1 , 10/ 2*(3*x + 1)
/ 3*x \ 3*|1 - -----------| \ 2*(1 + 3*x)/ ------------------- 1 + 3*x
/ 1 x \ 27*|- - + -------| \ 2 1 + 3*x/ ------------------ 2 (1 + 3*x)