Optimal. Leaf size=106 \[ -\frac {a}{3 d^2 x^3}-\frac {b d-2 a e}{d^3 x}+\frac {\left (c d^2-b d e+a e^2\right ) x}{2 d^3 \left (d+e x^2\right )}+\frac {\left (c d^2-e (3 b d-5 a e)\right ) \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{2 d^{7/2} \sqrt {e}} \]
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Rubi [A]
time = 0.09, antiderivative size = 106, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 3, integrand size = 25, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.120, Rules used = {1273, 1275,
211} \begin {gather*} \frac {\text {ArcTan}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right ) \left (c d^2-e (3 b d-5 a e)\right )}{2 d^{7/2} \sqrt {e}}+\frac {x \left (a e^2-b d e+c d^2\right )}{2 d^3 \left (d+e x^2\right )}-\frac {b d-2 a e}{d^3 x}-\frac {a}{3 d^2 x^3} \end {gather*}
Antiderivative was successfully verified.
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Rule 211
Rule 1273
Rule 1275
Rubi steps
\begin {align*} \int \frac {a+b x^2+c x^4}{x^4 \left (d+e x^2\right )^2} \, dx &=\frac {\left (c d^2-b d e+a e^2\right ) x}{2 d^3 \left (d+e x^2\right )}+\frac {\int \frac {2 a d^2 e^2+2 d e^2 (b d-a e) x^2+e^2 \left (c d^2-b d e+a e^2\right ) x^4}{x^4 \left (d+e x^2\right )} \, dx}{2 d^3 e^2}\\ &=\frac {\left (c d^2-b d e+a e^2\right ) x}{2 d^3 \left (d+e x^2\right )}+\frac {\int \left (\frac {2 a d e^2}{x^4}-\frac {2 e^2 (-b d+2 a e)}{x^2}+\frac {e^2 \left (c d^2-e (3 b d-5 a e)\right )}{d+e x^2}\right ) \, dx}{2 d^3 e^2}\\ &=-\frac {a}{3 d^2 x^3}-\frac {b d-2 a e}{d^3 x}+\frac {\left (c d^2-b d e+a e^2\right ) x}{2 d^3 \left (d+e x^2\right )}+\frac {\left (c d^2-e (3 b d-5 a e)\right ) \int \frac {1}{d+e x^2} \, dx}{2 d^3}\\ &=-\frac {a}{3 d^2 x^3}-\frac {b d-2 a e}{d^3 x}+\frac {\left (c d^2-b d e+a e^2\right ) x}{2 d^3 \left (d+e x^2\right )}+\frac {\left (c d^2-e (3 b d-5 a e)\right ) \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{2 d^{7/2} \sqrt {e}}\\ \end {align*}
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Mathematica [A]
time = 0.04, size = 105, normalized size = 0.99 \begin {gather*} -\frac {a}{3 d^2 x^3}+\frac {-b d+2 a e}{d^3 x}+\frac {\left (c d^2-b d e+a e^2\right ) x}{2 d^3 \left (d+e x^2\right )}+\frac {\left (c d^2-3 b d e+5 a e^2\right ) \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{2 d^{7/2} \sqrt {e}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.13, size = 94, normalized size = 0.89
method | result | size |
default | \(\frac {\frac {\left (\frac {1}{2} a \,e^{2}-\frac {1}{2} d e b +\frac {1}{2} c \,d^{2}\right ) x}{e \,x^{2}+d}+\frac {\left (5 a \,e^{2}-3 d e b +c \,d^{2}\right ) \arctan \left (\frac {e x}{\sqrt {d e}}\right )}{2 \sqrt {d e}}}{d^{3}}-\frac {a}{3 x^{3} d^{2}}-\frac {-2 a e +b d}{d^{3} x}\) | \(94\) |
risch | \(\frac {\frac {\left (5 a \,e^{2}-3 d e b +c \,d^{2}\right ) x^{4}}{2 d^{3}}+\frac {\left (5 a e -3 b d \right ) x^{2}}{3 d^{2}}-\frac {a}{3 d}}{x^{3} \left (e \,x^{2}+d \right )}-\frac {5 \ln \left (-\sqrt {-d e}\, x +d \right ) a \,e^{2}}{4 \sqrt {-d e}\, d^{3}}+\frac {3 \ln \left (-\sqrt {-d e}\, x +d \right ) e b}{4 \sqrt {-d e}\, d^{2}}-\frac {\ln \left (-\sqrt {-d e}\, x +d \right ) c}{4 \sqrt {-d e}\, d}+\frac {5 \ln \left (-\sqrt {-d e}\, x -d \right ) a \,e^{2}}{4 \sqrt {-d e}\, d^{3}}-\frac {3 \ln \left (-\sqrt {-d e}\, x -d \right ) e b}{4 \sqrt {-d e}\, d^{2}}+\frac {\ln \left (-\sqrt {-d e}\, x -d \right ) c}{4 \sqrt {-d e}\, d}\) | \(222\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.49, size = 101, normalized size = 0.95 \begin {gather*} \frac {3 \, {\left (c d^{2} - 3 \, b d e + 5 \, a e^{2}\right )} x^{4} - 2 \, a d^{2} - 2 \, {\left (3 \, b d^{2} - 5 \, a d e\right )} x^{2}}{6 \, {\left (d^{3} x^{5} e + d^{4} x^{3}\right )}} + \frac {{\left (c d^{2} - 3 \, b d e + 5 \, a e^{2}\right )} \arctan \left (\frac {x e^{\frac {1}{2}}}{\sqrt {d}}\right ) e^{\left (-\frac {1}{2}\right )}}{2 \, d^{\frac {7}{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 340, normalized size = 3.21 \begin {gather*} \left [\frac {30 \, a d x^{4} e^{3} - 3 \, {\left (c d^{3} x^{3} + 5 \, a x^{5} e^{3} - {\left (3 \, b d x^{5} - 5 \, a d x^{3}\right )} e^{2} + {\left (c d^{2} x^{5} - 3 \, b d^{2} x^{3}\right )} e\right )} \sqrt {-d e} \log \left (\frac {x^{2} e - 2 \, \sqrt {-d e} x - d}{x^{2} e + d}\right ) - 2 \, {\left (9 \, b d^{2} x^{4} - 10 \, a d^{2} x^{2}\right )} e^{2} + 2 \, {\left (3 \, c d^{3} x^{4} - 6 \, b d^{3} x^{2} - 2 \, a d^{3}\right )} e}{12 \, {\left (d^{4} x^{5} e^{2} + d^{5} x^{3} e\right )}}, \frac {15 \, a d x^{4} e^{3} + 3 \, {\left (c d^{3} x^{3} + 5 \, a x^{5} e^{3} - {\left (3 \, b d x^{5} - 5 \, a d x^{3}\right )} e^{2} + {\left (c d^{2} x^{5} - 3 \, b d^{2} x^{3}\right )} e\right )} \sqrt {d} \arctan \left (\frac {x e^{\frac {1}{2}}}{\sqrt {d}}\right ) e^{\frac {1}{2}} - {\left (9 \, b d^{2} x^{4} - 10 \, a d^{2} x^{2}\right )} e^{2} + {\left (3 \, c d^{3} x^{4} - 6 \, b d^{3} x^{2} - 2 \, a d^{3}\right )} e}{6 \, {\left (d^{4} x^{5} e^{2} + d^{5} x^{3} e\right )}}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.81, size = 167, normalized size = 1.58 \begin {gather*} - \frac {\sqrt {- \frac {1}{d^{7} e}} \left (5 a e^{2} - 3 b d e + c d^{2}\right ) \log {\left (- d^{4} \sqrt {- \frac {1}{d^{7} e}} + x \right )}}{4} + \frac {\sqrt {- \frac {1}{d^{7} e}} \left (5 a e^{2} - 3 b d e + c d^{2}\right ) \log {\left (d^{4} \sqrt {- \frac {1}{d^{7} e}} + x \right )}}{4} + \frac {- 2 a d^{2} + x^{4} \cdot \left (15 a e^{2} - 9 b d e + 3 c d^{2}\right ) + x^{2} \cdot \left (10 a d e - 6 b d^{2}\right )}{6 d^{4} x^{3} + 6 d^{3} e x^{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 3.66, size = 94, normalized size = 0.89 \begin {gather*} \frac {{\left (c d^{2} - 3 \, b d e + 5 \, a e^{2}\right )} \arctan \left (\frac {x e^{\frac {1}{2}}}{\sqrt {d}}\right ) e^{\left (-\frac {1}{2}\right )}}{2 \, d^{\frac {7}{2}}} + \frac {c d^{2} x - b d x e + a x e^{2}}{2 \, {\left (x^{2} e + d\right )} d^{3}} - \frac {3 \, b d x^{2} - 6 \, a x^{2} e + a d}{3 \, d^{3} x^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.36, size = 98, normalized size = 0.92 \begin {gather*} \frac {\frac {x^2\,\left (5\,a\,e-3\,b\,d\right )}{3\,d^2}-\frac {a}{3\,d}+\frac {x^4\,\left (c\,d^2-3\,b\,d\,e+5\,a\,e^2\right )}{2\,d^3}}{e\,x^5+d\,x^3}+\frac {\mathrm {atan}\left (\frac {\sqrt {e}\,x}{\sqrt {d}}\right )\,\left (c\,d^2-3\,b\,d\,e+5\,a\,e^2\right )}{2\,d^{7/2}\,\sqrt {e}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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