13.1 Problem number 62

ArcTan(d+ex)a+bx+cx2dx

Optimal antiderivative arctan(ex+d)ln(2e(b+2cx4ac+b2)(1I(ex+d))(2c(Id)+e(b4ac+b2)))4ac+b2arctan(ex+d)ln(2e(b+2cx+4ac+b2)(1I(ex+d))(2c(Id)+e(b+4ac+b2)))4ac+b2Ipolylog(2,1+4cd4c(ex+d)2e(b4ac+b2)(1I(ex+d))(2Ic2cd+bee4ac+b2))24ac+b2+Ipolylog(2,1+4cd4c(ex+d)2e(b+4ac+b2)(1I(ex+d))(2c(Id)+e(b+4ac+b2)))24ac+b2

command

Integrate[ArcTan[d + e*x]/(a + b*x + c*x^2),x]

Mathematica 13.1 output

$Aborted

Mathematica 12.3 output

i(Li2(2c(d+exi)2c(di)+(b24acb)e)+Li2(2c(d+exi)2c(di)(b+b24ac)e)+Li2(2c(d+ex+i)2c(d+i)+(b24acb)e)Li2(2c(d+ex+i)2c(d+i)(b+b24ac)e)+log(1i(d+ex))log(e(b24acb2cx)e(b24acb)+2c(d+i))log(1i(d+ex))log(e(b24ac+b+2cx)e(b24ac+b)2c(d+i))log(1+i(d+ex))log(e(b24acb2cx)e(b24acb)+2c(di))+log(1+i(d+ex))log(e(b24ac+b+2cx)e(b24ac+b)2c(di)))2b24ac