3.1.6 \(\int \frac {d+e x^4}{d^2+f x^4+e^2 x^8} \, dx\) [6]

3.1.6.1 Optimal result
3.1.6.2 Mathematica [C] (verified)
3.1.6.3 Rubi [A] (verified)
3.1.6.4 Maple [C] (verified)
3.1.6.5 Fricas [B] (verification not implemented)
3.1.6.6 Sympy [A] (verification not implemented)
3.1.6.7 Maxima [F]
3.1.6.8 Giac [F]
3.1.6.9 Mupad [B] (verification not implemented)

3.1.6.1 Optimal result

Integrand size = 26, antiderivative size = 791 \[ \int \frac {d+e x^4}{d^2+f x^4+e^2 x^8} \, dx=-\frac {\arctan \left (\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}-2 \sqrt {e} x}{\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}\right )}{4 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}-\frac {\arctan \left (\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}-2 \sqrt {e} x}{\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}\right )}{4 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}+\frac {\arctan \left (\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}+2 \sqrt {e} x}{\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}\right )}{4 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}+\frac {\arctan \left (\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}+2 \sqrt {e} x}{\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}\right )}{4 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}-\frac {\log \left (\sqrt {d}-\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x+\sqrt {e} x^2\right )}{8 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}+\frac {\log \left (\sqrt {d}+\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x+\sqrt {e} x^2\right )}{8 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}-\frac {\log \left (\sqrt {d}-\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x+\sqrt {e} x^2\right )}{8 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}+\frac {\log \left (\sqrt {d}+\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x+\sqrt {e} x^2\right )}{8 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}} \]

output
-1/4*arctan((-2*x*e^(1/2)+(2*d^(1/2)*e^(1/2)+(2*d*e-f)^(1/2))^(1/2))/(2*d^ 
(1/2)*e^(1/2)-(2*d*e-f)^(1/2))^(1/2))/d^(1/2)/(2*d^(1/2)*e^(1/2)-(2*d*e-f) 
^(1/2))^(1/2)+1/4*arctan((2*x*e^(1/2)+(2*d^(1/2)*e^(1/2)+(2*d*e-f)^(1/2))^ 
(1/2))/(2*d^(1/2)*e^(1/2)-(2*d*e-f)^(1/2))^(1/2))/d^(1/2)/(2*d^(1/2)*e^(1/ 
2)-(2*d*e-f)^(1/2))^(1/2)-1/8*ln(d^(1/2)+x^2*e^(1/2)-x*(2*d^(1/2)*e^(1/2)- 
(2*d*e-f)^(1/2))^(1/2))/d^(1/2)/(2*d^(1/2)*e^(1/2)-(2*d*e-f)^(1/2))^(1/2)+ 
1/8*ln(d^(1/2)+x^2*e^(1/2)+x*(2*d^(1/2)*e^(1/2)-(2*d*e-f)^(1/2))^(1/2))/d^ 
(1/2)/(2*d^(1/2)*e^(1/2)-(2*d*e-f)^(1/2))^(1/2)-1/4*arctan((-2*x*e^(1/2)+( 
2*d^(1/2)*e^(1/2)-(2*d*e-f)^(1/2))^(1/2))/(2*d^(1/2)*e^(1/2)+(2*d*e-f)^(1/ 
2))^(1/2))/d^(1/2)/(2*d^(1/2)*e^(1/2)+(2*d*e-f)^(1/2))^(1/2)+1/4*arctan((2 
*x*e^(1/2)+(2*d^(1/2)*e^(1/2)-(2*d*e-f)^(1/2))^(1/2))/(2*d^(1/2)*e^(1/2)+( 
2*d*e-f)^(1/2))^(1/2))/d^(1/2)/(2*d^(1/2)*e^(1/2)+(2*d*e-f)^(1/2))^(1/2)-1 
/8*ln(d^(1/2)+x^2*e^(1/2)-x*(2*d^(1/2)*e^(1/2)+(2*d*e-f)^(1/2))^(1/2))/d^( 
1/2)/(2*d^(1/2)*e^(1/2)+(2*d*e-f)^(1/2))^(1/2)+1/8*ln(d^(1/2)+x^2*e^(1/2)+ 
x*(2*d^(1/2)*e^(1/2)+(2*d*e-f)^(1/2))^(1/2))/d^(1/2)/(2*d^(1/2)*e^(1/2)+(2 
*d*e-f)^(1/2))^(1/2)
 
3.1.6.2 Mathematica [C] (verified)

Result contains higher order function than in optimal. Order 9 vs. order 3 in optimal.

Time = 0.03 (sec) , antiderivative size = 67, normalized size of antiderivative = 0.08 \[ \int \frac {d+e x^4}{d^2+f x^4+e^2 x^8} \, dx=\frac {1}{4} \text {RootSum}\left [d^2+f \text {$\#$1}^4+e^2 \text {$\#$1}^8\&,\frac {d \log (x-\text {$\#$1})+e \log (x-\text {$\#$1}) \text {$\#$1}^4}{f \text {$\#$1}^3+2 e^2 \text {$\#$1}^7}\&\right ] \]

input
Integrate[(d + e*x^4)/(d^2 + f*x^4 + e^2*x^8),x]
 
output
RootSum[d^2 + f*#1^4 + e^2*#1^8 & , (d*Log[x - #1] + e*Log[x - #1]*#1^4)/( 
f*#1^3 + 2*e^2*#1^7) & ]/4
 
3.1.6.3 Rubi [A] (verified)

Time = 1.31 (sec) , antiderivative size = 1001, normalized size of antiderivative = 1.27, number of steps used = 10, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.346, Rules used = {1749, 1407, 27, 1142, 25, 27, 1083, 217, 1103}

Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.

\(\displaystyle \int \frac {d+e x^4}{d^2+e^2 x^8+f x^4} \, dx\)

\(\Big \downarrow \) 1749

\(\displaystyle \frac {\int \frac {1}{x^4-\frac {\sqrt {2 d e-f} x^2}{e}+\frac {d}{e}}dx}{2 e}+\frac {\int \frac {1}{x^4+\frac {\sqrt {2 d e-f} x^2}{e}+\frac {d}{e}}dx}{2 e}\)

\(\Big \downarrow \) 1407

\(\displaystyle \frac {\frac {e \int \frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}-\sqrt {e} x}{\sqrt {e} \left (x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}\right )}dx}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}+\frac {e \int \frac {\sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{\sqrt {e} \left (x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}\right )}dx}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}}{2 e}+\frac {\frac {e \int \frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}-\sqrt {e} x}{\sqrt {e} \left (x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}\right )}dx}{2 \sqrt {d} \sqrt {\sqrt {2 d e-f}+2 \sqrt {d} \sqrt {e}}}+\frac {e \int \frac {\sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{\sqrt {e} \left (x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}\right )}dx}{2 \sqrt {d} \sqrt {\sqrt {2 d e-f}+2 \sqrt {d} \sqrt {e}}}}{2 e}\)

\(\Big \downarrow \) 27

\(\displaystyle \frac {\frac {\sqrt {e} \int \frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}-\sqrt {e} x}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}+\frac {\sqrt {e} \int \frac {\sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}}{2 e}+\frac {\frac {\sqrt {e} \int \frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}-\sqrt {e} x}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx}{2 \sqrt {d} \sqrt {\sqrt {2 d e-f}+2 \sqrt {d} \sqrt {e}}}+\frac {\sqrt {e} \int \frac {\sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx}{2 \sqrt {d} \sqrt {\sqrt {2 d e-f}+2 \sqrt {d} \sqrt {e}}}}{2 e}\)

\(\Big \downarrow \) 1142

\(\displaystyle \frac {\frac {\sqrt {e} \left (\frac {1}{2} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} \int \frac {1}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx-\frac {1}{2} \sqrt {e} \int -\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}-2 \sqrt {e} x}{\sqrt {e} \left (x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}\right )}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}+\frac {\sqrt {e} \left (\frac {1}{2} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} \int \frac {1}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx+\frac {1}{2} \sqrt {e} \int \frac {2 \sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{\sqrt {e} \left (x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}\right )}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}}{2 e}+\frac {\frac {\sqrt {e} \left (\frac {1}{2} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} \int \frac {1}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx-\frac {1}{2} \sqrt {e} \int -\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}-2 \sqrt {e} x}{\sqrt {e} \left (x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}\right )}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}+\frac {\sqrt {e} \left (\frac {1}{2} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} \int \frac {1}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx+\frac {1}{2} \sqrt {e} \int \frac {2 \sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{\sqrt {e} \left (x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}\right )}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}}{2 e}\)

\(\Big \downarrow \) 25

\(\displaystyle \frac {\frac {\sqrt {e} \left (\frac {1}{2} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} \int \frac {1}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx+\frac {1}{2} \sqrt {e} \int \frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}-2 \sqrt {e} x}{\sqrt {e} \left (x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}\right )}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}+\frac {\sqrt {e} \left (\frac {1}{2} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} \int \frac {1}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx+\frac {1}{2} \sqrt {e} \int \frac {2 \sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{\sqrt {e} \left (x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}\right )}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}}{2 e}+\frac {\frac {\sqrt {e} \left (\frac {1}{2} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} \int \frac {1}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx+\frac {1}{2} \sqrt {e} \int \frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}-2 \sqrt {e} x}{\sqrt {e} \left (x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}\right )}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}+\frac {\sqrt {e} \left (\frac {1}{2} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} \int \frac {1}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx+\frac {1}{2} \sqrt {e} \int \frac {2 \sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{\sqrt {e} \left (x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}\right )}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}}{2 e}\)

\(\Big \downarrow \) 27

\(\displaystyle \frac {\frac {\sqrt {e} \left (\frac {1}{2} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} \int \frac {1}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx+\frac {1}{2} \int \frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}-2 \sqrt {e} x}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}+\frac {\sqrt {e} \left (\frac {1}{2} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} \int \frac {1}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx+\frac {1}{2} \int \frac {2 \sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}}{2 e}+\frac {\frac {\sqrt {e} \left (\frac {1}{2} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} \int \frac {1}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx+\frac {1}{2} \int \frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}-2 \sqrt {e} x}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}+\frac {\sqrt {e} \left (\frac {1}{2} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} \int \frac {1}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx+\frac {1}{2} \int \frac {2 \sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}}{2 e}\)

\(\Big \downarrow \) 1083

\(\displaystyle \frac {\frac {\sqrt {e} \left (\frac {1}{2} \int \frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}-2 \sqrt {e} x}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx-\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} \int \frac {1}{-\left (2 x-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{\sqrt {e}}\right )^2-\frac {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}{e}}d\left (2 x-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{\sqrt {e}}\right )\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}+\frac {\sqrt {e} \left (\frac {1}{2} \int \frac {2 \sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx-\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} \int \frac {1}{-\left (2 x+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{\sqrt {e}}\right )^2-\frac {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}{e}}d\left (2 x+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{\sqrt {e}}\right )\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}}{2 e}+\frac {\frac {\sqrt {e} \left (\frac {1}{2} \int \frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}-2 \sqrt {e} x}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx-\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} \int \frac {1}{-\left (2 x-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{\sqrt {e}}\right )^2-\frac {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}{e}}d\left (2 x-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{\sqrt {e}}\right )\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}+\frac {\sqrt {e} \left (\frac {1}{2} \int \frac {2 \sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx-\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} \int \frac {1}{-\left (2 x+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{\sqrt {e}}\right )^2-\frac {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}{e}}d\left (2 x+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{\sqrt {e}}\right )\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}}{2 e}\)

\(\Big \downarrow \) 217

\(\displaystyle \frac {\frac {\sqrt {e} \left (\frac {\sqrt {e} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} \arctan \left (\frac {\sqrt {e} \left (2 x-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{\sqrt {e}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}+\frac {1}{2} \int \frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}-2 \sqrt {e} x}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}+\frac {\sqrt {e} \left (\frac {\sqrt {e} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} \arctan \left (\frac {\sqrt {e} \left (2 x+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{\sqrt {e}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}+\frac {1}{2} \int \frac {2 \sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}}{2 e}+\frac {\frac {\sqrt {e} \left (\frac {\sqrt {e} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} \arctan \left (\frac {\sqrt {e} \left (2 x-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{\sqrt {e}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}+\frac {1}{2} \int \frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}-2 \sqrt {e} x}{x^2-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}+\frac {\sqrt {e} \left (\frac {\sqrt {e} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} \arctan \left (\frac {\sqrt {e} \left (2 x+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{\sqrt {e}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}+\frac {1}{2} \int \frac {2 \sqrt {e} x+\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{x^2+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x}{\sqrt {e}}+\frac {\sqrt {d}}{\sqrt {e}}}dx\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}}{2 e}\)

\(\Big \downarrow \) 1103

\(\displaystyle \frac {\frac {\sqrt {e} \left (\frac {\sqrt {e} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} \arctan \left (\frac {\sqrt {e} \left (2 x-\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{\sqrt {e}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}-\frac {1}{2} \sqrt {e} \log \left (\sqrt {e} x^2-\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x+\sqrt {d}\right )\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}+\frac {\sqrt {e} \left (\frac {\sqrt {e} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} \arctan \left (\frac {\sqrt {e} \left (2 x+\frac {\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}{\sqrt {e}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}+\frac {1}{2} \sqrt {e} \log \left (\sqrt {e} x^2+\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}} x+\sqrt {d}\right )\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}}{2 e}+\frac {\frac {\sqrt {e} \left (\frac {\sqrt {e} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} \arctan \left (\frac {\sqrt {e} \left (2 x-\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{\sqrt {e}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}-\frac {1}{2} \sqrt {e} \log \left (\sqrt {e} x^2-\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x+\sqrt {d}\right )\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}+\frac {\sqrt {e} \left (\frac {\sqrt {e} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} \arctan \left (\frac {\sqrt {e} \left (2 x+\frac {\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}{\sqrt {e}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}\right )}{\sqrt {2 \sqrt {d} \sqrt {e}-\sqrt {2 d e-f}}}+\frac {1}{2} \sqrt {e} \log \left (\sqrt {e} x^2+\sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}} x+\sqrt {d}\right )\right )}{2 \sqrt {d} \sqrt {2 \sqrt {d} \sqrt {e}+\sqrt {2 d e-f}}}}{2 e}\)

input
Int[(d + e*x^4)/(d^2 + f*x^4 + e^2*x^8),x]
 
output
((Sqrt[e]*((Sqrt[e]*Sqrt[2*Sqrt[d]*Sqrt[e] - Sqrt[2*d*e - f]]*ArcTan[(Sqrt 
[e]*(-(Sqrt[2*Sqrt[d]*Sqrt[e] - Sqrt[2*d*e - f]]/Sqrt[e]) + 2*x))/Sqrt[2*S 
qrt[d]*Sqrt[e] + Sqrt[2*d*e - f]]])/Sqrt[2*Sqrt[d]*Sqrt[e] + Sqrt[2*d*e - 
f]] - (Sqrt[e]*Log[Sqrt[d] - Sqrt[2*Sqrt[d]*Sqrt[e] - Sqrt[2*d*e - f]]*x + 
 Sqrt[e]*x^2])/2))/(2*Sqrt[d]*Sqrt[2*Sqrt[d]*Sqrt[e] - Sqrt[2*d*e - f]]) + 
 (Sqrt[e]*((Sqrt[e]*Sqrt[2*Sqrt[d]*Sqrt[e] - Sqrt[2*d*e - f]]*ArcTan[(Sqrt 
[e]*(Sqrt[2*Sqrt[d]*Sqrt[e] - Sqrt[2*d*e - f]]/Sqrt[e] + 2*x))/Sqrt[2*Sqrt 
[d]*Sqrt[e] + Sqrt[2*d*e - f]]])/Sqrt[2*Sqrt[d]*Sqrt[e] + Sqrt[2*d*e - f]] 
 + (Sqrt[e]*Log[Sqrt[d] + Sqrt[2*Sqrt[d]*Sqrt[e] - Sqrt[2*d*e - f]]*x + Sq 
rt[e]*x^2])/2))/(2*Sqrt[d]*Sqrt[2*Sqrt[d]*Sqrt[e] - Sqrt[2*d*e - f]]))/(2* 
e) + ((Sqrt[e]*((Sqrt[e]*Sqrt[2*Sqrt[d]*Sqrt[e] + Sqrt[2*d*e - f]]*ArcTan[ 
(Sqrt[e]*(-(Sqrt[2*Sqrt[d]*Sqrt[e] + Sqrt[2*d*e - f]]/Sqrt[e]) + 2*x))/Sqr 
t[2*Sqrt[d]*Sqrt[e] - Sqrt[2*d*e - f]]])/Sqrt[2*Sqrt[d]*Sqrt[e] - Sqrt[2*d 
*e - f]] - (Sqrt[e]*Log[Sqrt[d] - Sqrt[2*Sqrt[d]*Sqrt[e] + Sqrt[2*d*e - f] 
]*x + Sqrt[e]*x^2])/2))/(2*Sqrt[d]*Sqrt[2*Sqrt[d]*Sqrt[e] + Sqrt[2*d*e - f 
]]) + (Sqrt[e]*((Sqrt[e]*Sqrt[2*Sqrt[d]*Sqrt[e] + Sqrt[2*d*e - f]]*ArcTan[ 
(Sqrt[e]*(Sqrt[2*Sqrt[d]*Sqrt[e] + Sqrt[2*d*e - f]]/Sqrt[e] + 2*x))/Sqrt[2 
*Sqrt[d]*Sqrt[e] - Sqrt[2*d*e - f]]])/Sqrt[2*Sqrt[d]*Sqrt[e] - Sqrt[2*d*e 
- f]] + (Sqrt[e]*Log[Sqrt[d] + Sqrt[2*Sqrt[d]*Sqrt[e] + Sqrt[2*d*e - f]]*x 
 + Sqrt[e]*x^2])/2))/(2*Sqrt[d]*Sqrt[2*Sqrt[d]*Sqrt[e] + Sqrt[2*d*e - f...
 

3.1.6.3.1 Defintions of rubi rules used

rule 25
Int[-(Fx_), x_Symbol] :> Simp[Identity[-1]   Int[Fx, x], x]
 

rule 27
Int[(a_)*(Fx_), x_Symbol] :> Simp[a   Int[Fx, x], x] /; FreeQ[a, x] &&  !Ma 
tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
 

rule 217
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(-(Rt[-a, 2]*Rt[-b, 2])^( 
-1))*ArcTan[Rt[-b, 2]*(x/Rt[-a, 2])], x] /; FreeQ[{a, b}, x] && PosQ[a/b] & 
& (LtQ[a, 0] || LtQ[b, 0])
 

rule 1083
Int[((a_) + (b_.)*(x_) + (c_.)*(x_)^2)^(-1), x_Symbol] :> Simp[-2   Subst[I 
nt[1/Simp[b^2 - 4*a*c - x^2, x], x], x, b + 2*c*x], x] /; FreeQ[{a, b, c}, 
x]
 

rule 1103
Int[((d_) + (e_.)*(x_))/((a_.) + (b_.)*(x_) + (c_.)*(x_)^2), x_Symbol] :> S 
imp[d*(Log[RemoveContent[a + b*x + c*x^2, x]]/b), x] /; FreeQ[{a, b, c, d, 
e}, x] && EqQ[2*c*d - b*e, 0]
 

rule 1142
Int[((d_.) + (e_.)*(x_))/((a_) + (b_.)*(x_) + (c_.)*(x_)^2), x_Symbol] :> S 
imp[(2*c*d - b*e)/(2*c)   Int[1/(a + b*x + c*x^2), x], x] + Simp[e/(2*c) 
Int[(b + 2*c*x)/(a + b*x + c*x^2), x], x] /; FreeQ[{a, b, c, d, e}, x]
 

rule 1407
Int[((a_) + (b_.)*(x_)^2 + (c_.)*(x_)^4)^(-1), x_Symbol] :> With[{q = Rt[a/ 
c, 2]}, With[{r = Rt[2*q - b/c, 2]}, Simp[1/(2*c*q*r)   Int[(r - x)/(q - r* 
x + x^2), x], x] + Simp[1/(2*c*q*r)   Int[(r + x)/(q + r*x + x^2), x], x]]] 
 /; FreeQ[{a, b, c}, x] && NeQ[b^2 - 4*a*c, 0] && NegQ[b^2 - 4*a*c]
 

rule 1749
Int[((d_) + (e_.)*(x_)^(n_))/((a_) + (b_.)*(x_)^(n_) + (c_.)*(x_)^(n2_)), x 
_Symbol] :> With[{q = Rt[2*(d/e) - b/c, 2]}, Simp[e/(2*c)   Int[1/Simp[d/e 
+ q*x^(n/2) + x^n, x], x], x] + Simp[e/(2*c)   Int[1/Simp[d/e - q*x^(n/2) + 
 x^n, x], x], x]] /; FreeQ[{a, b, c, d, e}, x] && EqQ[n2, 2*n] && NeQ[b^2 - 
 4*a*c, 0] && EqQ[c*d^2 - a*e^2, 0] && IGtQ[n/2, 0] && (GtQ[2*(d/e) - b/c, 
0] || ( !LtQ[2*(d/e) - b/c, 0] && EqQ[d, e*Rt[a/c, 2]]))
 
3.1.6.4 Maple [C] (verified)

Result contains higher order function than in optimal. Order 9 vs. order 3.

Time = 0.16 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.07

method result size
default \(\frac {\left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (e^{2} \textit {\_Z}^{8}+f \,\textit {\_Z}^{4}+d^{2}\right )}{\sum }\frac {\left (\textit {\_R}^{4} e +d \right ) \ln \left (x -\textit {\_R} \right )}{2 \textit {\_R}^{7} e^{2}+\textit {\_R}^{3} f}\right )}{4}\) \(53\)
risch \(\frac {\left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (e^{2} \textit {\_Z}^{8}+f \,\textit {\_Z}^{4}+d^{2}\right )}{\sum }\frac {\left (\textit {\_R}^{4} e +d \right ) \ln \left (x -\textit {\_R} \right )}{2 \textit {\_R}^{7} e^{2}+\textit {\_R}^{3} f}\right )}{4}\) \(53\)

input
int((e*x^4+d)/(e^2*x^8+f*x^4+d^2),x,method=_RETURNVERBOSE)
 
output
1/4*sum((_R^4*e+d)/(2*_R^7*e^2+_R^3*f)*ln(x-_R),_R=RootOf(_Z^8*e^2+_Z^4*f+ 
d^2))
 
3.1.6.5 Fricas [B] (verification not implemented)

Leaf count of result is larger than twice the leaf count of optimal. 2461 vs. \(2 (581) = 1162\).

Time = 0.31 (sec) , antiderivative size = 2461, normalized size of antiderivative = 3.11 \[ \int \frac {d+e x^4}{d^2+f x^4+e^2 x^8} \, dx=\text {Too large to display} \]

input
integrate((e*x^4+d)/(e^2*x^8+f*x^4+d^2),x, algorithm="fricas")
 
output
1/4*sqrt(sqrt(1/2)*sqrt(-((4*d^4*e^2 + 4*d^3*e*f + d^2*f^2)*sqrt(-(2*d*e - 
 f)/(8*d^7*e^3 + 12*d^6*e^2*f + 6*d^5*e*f^2 + d^4*f^3)) + f)/(4*d^4*e^2 + 
4*d^3*e*f + d^2*f^2)))*log(e*x + 1/2*(2*d*e - (4*d^4*e^2 + 4*d^3*e*f + d^2 
*f^2)*sqrt(-(2*d*e - f)/(8*d^7*e^3 + 12*d^6*e^2*f + 6*d^5*e*f^2 + d^4*f^3) 
) + f)*sqrt(sqrt(1/2)*sqrt(-((4*d^4*e^2 + 4*d^3*e*f + d^2*f^2)*sqrt(-(2*d* 
e - f)/(8*d^7*e^3 + 12*d^6*e^2*f + 6*d^5*e*f^2 + d^4*f^3)) + f)/(4*d^4*e^2 
 + 4*d^3*e*f + d^2*f^2)))) - 1/4*sqrt(sqrt(1/2)*sqrt(-((4*d^4*e^2 + 4*d^3* 
e*f + d^2*f^2)*sqrt(-(2*d*e - f)/(8*d^7*e^3 + 12*d^6*e^2*f + 6*d^5*e*f^2 + 
 d^4*f^3)) + f)/(4*d^4*e^2 + 4*d^3*e*f + d^2*f^2)))*log(e*x - 1/2*(2*d*e - 
 (4*d^4*e^2 + 4*d^3*e*f + d^2*f^2)*sqrt(-(2*d*e - f)/(8*d^7*e^3 + 12*d^6*e 
^2*f + 6*d^5*e*f^2 + d^4*f^3)) + f)*sqrt(sqrt(1/2)*sqrt(-((4*d^4*e^2 + 4*d 
^3*e*f + d^2*f^2)*sqrt(-(2*d*e - f)/(8*d^7*e^3 + 12*d^6*e^2*f + 6*d^5*e*f^ 
2 + d^4*f^3)) + f)/(4*d^4*e^2 + 4*d^3*e*f + d^2*f^2)))) + 1/4*sqrt(-sqrt(1 
/2)*sqrt(-((4*d^4*e^2 + 4*d^3*e*f + d^2*f^2)*sqrt(-(2*d*e - f)/(8*d^7*e^3 
+ 12*d^6*e^2*f + 6*d^5*e*f^2 + d^4*f^3)) + f)/(4*d^4*e^2 + 4*d^3*e*f + d^2 
*f^2)))*log(e*x + 1/2*(2*d*e - (4*d^4*e^2 + 4*d^3*e*f + d^2*f^2)*sqrt(-(2* 
d*e - f)/(8*d^7*e^3 + 12*d^6*e^2*f + 6*d^5*e*f^2 + d^4*f^3)) + f)*sqrt(-sq 
rt(1/2)*sqrt(-((4*d^4*e^2 + 4*d^3*e*f + d^2*f^2)*sqrt(-(2*d*e - f)/(8*d^7* 
e^3 + 12*d^6*e^2*f + 6*d^5*e*f^2 + d^4*f^3)) + f)/(4*d^4*e^2 + 4*d^3*e*f + 
 d^2*f^2)))) - 1/4*sqrt(-sqrt(1/2)*sqrt(-((4*d^4*e^2 + 4*d^3*e*f + d^2*...
 
3.1.6.6 Sympy [A] (verification not implemented)

Time = 6.28 (sec) , antiderivative size = 136, normalized size of antiderivative = 0.17 \[ \int \frac {d+e x^4}{d^2+f x^4+e^2 x^8} \, dx=\operatorname {RootSum} {\left (t^{8} \cdot \left (1048576 d^{6} e^{4} + 2097152 d^{5} e^{3} f + 1572864 d^{4} e^{2} f^{2} + 524288 d^{3} e f^{3} + 65536 d^{2} f^{4}\right ) + t^{4} \cdot \left (1024 d^{2} e^{2} f + 1024 d e f^{2} + 256 f^{3}\right ) + e^{2}, \left ( t \mapsto t \log {\left (x + \frac {4096 t^{5} d^{4} e^{2} + 4096 t^{5} d^{3} e f + 1024 t^{5} d^{2} f^{2} + 4 t d e + 4 t f}{e} \right )} \right )\right )} \]

input
integrate((e*x**4+d)/(e**2*x**8+f*x**4+d**2),x)
 
output
RootSum(_t**8*(1048576*d**6*e**4 + 2097152*d**5*e**3*f + 1572864*d**4*e**2 
*f**2 + 524288*d**3*e*f**3 + 65536*d**2*f**4) + _t**4*(1024*d**2*e**2*f + 
1024*d*e*f**2 + 256*f**3) + e**2, Lambda(_t, _t*log(x + (4096*_t**5*d**4*e 
**2 + 4096*_t**5*d**3*e*f + 1024*_t**5*d**2*f**2 + 4*_t*d*e + 4*_t*f)/e)))
 
3.1.6.7 Maxima [F]

\[ \int \frac {d+e x^4}{d^2+f x^4+e^2 x^8} \, dx=\int { \frac {e x^{4} + d}{e^{2} x^{8} + f x^{4} + d^{2}} \,d x } \]

input
integrate((e*x^4+d)/(e^2*x^8+f*x^4+d^2),x, algorithm="maxima")
 
output
integrate((e*x^4 + d)/(e^2*x^8 + f*x^4 + d^2), x)
 
3.1.6.8 Giac [F]

\[ \int \frac {d+e x^4}{d^2+f x^4+e^2 x^8} \, dx=\int { \frac {e x^{4} + d}{e^{2} x^{8} + f x^{4} + d^{2}} \,d x } \]

input
integrate((e*x^4+d)/(e^2*x^8+f*x^4+d^2),x, algorithm="giac")
 
output
integrate((e*x^4 + d)/(e^2*x^8 + f*x^4 + d^2), x)
 
3.1.6.9 Mupad [B] (verification not implemented)

Time = 9.78 (sec) , antiderivative size = 10411, normalized size of antiderivative = 13.16 \[ \int \frac {d+e x^4}{d^2+f x^4+e^2 x^8} \, dx=\text {Too large to display} \]

input
int((d + e*x^4)/(f*x^4 + d^2 + e^2*x^8),x)
 
output
2*atan((((-(f^3 + ((f - 2*d*e)*(f + 2*d*e)^5)^(1/2) + 4*d^2*e^2*f + 4*d*e* 
f^2)/(512*(16*d^6*e^4 + d^2*f^4 + 8*d^3*e*f^3 + 32*d^5*e^3*f + 24*d^4*e^2* 
f^2)))^(1/4)*((x*(65536*d^9*e^15 - 32768*d^8*e^14*f + 1024*d^2*e^8*f^7 - 2 
048*d^3*e^9*f^6 - 10240*d^4*e^10*f^5 + 20480*d^5*e^11*f^4 + 32768*d^6*e^12 
*f^3 - 65536*d^7*e^13*f^2) - (-(f^3 + ((f - 2*d*e)*(f + 2*d*e)^5)^(1/2) + 
4*d^2*e^2*f + 4*d*e*f^2)/(512*(16*d^6*e^4 + d^2*f^4 + 8*d^3*e*f^3 + 32*d^5 
*e^3*f + 24*d^4*e^2*f^2)))^(1/4)*(262144*d^10*e^15 - 262144*d^9*e^14*f + 4 
096*d^3*e^8*f^7 - 4096*d^4*e^9*f^6 - 49152*d^5*e^10*f^5 + 49152*d^6*e^11*f 
^4 + 196608*d^7*e^12*f^3 - 196608*d^8*e^13*f^2)*1i)*(-(f^3 + ((f - 2*d*e)* 
(f + 2*d*e)^5)^(1/2) + 4*d^2*e^2*f + 4*d*e*f^2)/(512*(16*d^6*e^4 + d^2*f^4 
 + 8*d^3*e*f^3 + 32*d^5*e^3*f + 24*d^4*e^2*f^2)))^(3/4)*1i - 256*d^7*e^14 
+ 256*d^6*e^13*f + 16*d^3*e^10*f^4 - 64*d^4*e^11*f^3)*1i + x*(32*d^5*e^13* 
f - 4*d^2*e^10*f^4 + 24*d^3*e^11*f^3 - 48*d^4*e^12*f^2))*(-(f^3 + ((f - 2* 
d*e)*(f + 2*d*e)^5)^(1/2) + 4*d^2*e^2*f + 4*d*e*f^2)/(512*(16*d^6*e^4 + d^ 
2*f^4 + 8*d^3*e*f^3 + 32*d^5*e^3*f + 24*d^4*e^2*f^2)))^(1/4) + ((-(f^3 + ( 
(f - 2*d*e)*(f + 2*d*e)^5)^(1/2) + 4*d^2*e^2*f + 4*d*e*f^2)/(512*(16*d^6*e 
^4 + d^2*f^4 + 8*d^3*e*f^3 + 32*d^5*e^3*f + 24*d^4*e^2*f^2)))^(1/4)*((x*(6 
5536*d^9*e^15 - 32768*d^8*e^14*f + 1024*d^2*e^8*f^7 - 2048*d^3*e^9*f^6 - 1 
0240*d^4*e^10*f^5 + 20480*d^5*e^11*f^4 + 32768*d^6*e^12*f^3 - 65536*d^7*e^ 
13*f^2) + (-(f^3 + ((f - 2*d*e)*(f + 2*d*e)^5)^(1/2) + 4*d^2*e^2*f + 4*...