Optimal. Leaf size=66 \[ \frac {\tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right ) \left (a e^2-b d e+c d^2\right )}{\sqrt {d} e^{5/2}}-\frac {x (c d-b e)}{e^2}+\frac {c x^3}{3 e} \]
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Rubi [A] time = 0.04, antiderivative size = 66, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {1153, 205} \begin {gather*} \frac {\tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right ) \left (a e^2-b d e+c d^2\right )}{\sqrt {d} e^{5/2}}-\frac {x (c d-b e)}{e^2}+\frac {c x^3}{3 e} \end {gather*}
Antiderivative was successfully verified.
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Rule 205
Rule 1153
Rubi steps
\begin {align*} \int \frac {a+b x^2+c x^4}{d+e x^2} \, dx &=\int \left (-\frac {c d-b e}{e^2}+\frac {c x^2}{e}+\frac {c d^2-b d e+a e^2}{e^2 \left (d+e x^2\right )}\right ) \, dx\\ &=-\frac {(c d-b e) x}{e^2}+\frac {c x^3}{3 e}+\frac {\left (c d^2-b d e+a e^2\right ) \int \frac {1}{d+e x^2} \, dx}{e^2}\\ &=-\frac {(c d-b e) x}{e^2}+\frac {c x^3}{3 e}+\frac {\left (c d^2-b d e+a e^2\right ) \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{\sqrt {d} e^{5/2}}\\ \end {align*}
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Mathematica [A] time = 0.05, size = 65, normalized size = 0.98 \begin {gather*} \frac {\tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right ) \left (a e^2-b d e+c d^2\right )}{\sqrt {d} e^{5/2}}+\frac {x (b e-c d)}{e^2}+\frac {c x^3}{3 e} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {a+b x^2+c x^4}{d+e x^2} \, dx \end {gather*}
Verification is not applicable to the result.
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fricas [A] time = 1.01, size = 159, normalized size = 2.41 \begin {gather*} \left [\frac {2 \, c d e^{2} x^{3} - 3 \, {\left (c d^{2} - b d e + a e^{2}\right )} \sqrt {-d e} \log \left (\frac {e x^{2} - 2 \, \sqrt {-d e} x - d}{e x^{2} + d}\right ) - 6 \, {\left (c d^{2} e - b d e^{2}\right )} x}{6 \, d e^{3}}, \frac {c d e^{2} x^{3} + 3 \, {\left (c d^{2} - b d e + a e^{2}\right )} \sqrt {d e} \arctan \left (\frac {\sqrt {d e} x}{d}\right ) - 3 \, {\left (c d^{2} e - b d e^{2}\right )} x}{3 \, d e^{3}}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.15, size = 56, normalized size = 0.85 \begin {gather*} \frac {{\left (c d^{2} - b d e + a e^{2}\right )} \arctan \left (\frac {x e^{\frac {1}{2}}}{\sqrt {d}}\right ) e^{\left (-\frac {5}{2}\right )}}{\sqrt {d}} + \frac {1}{3} \, {\left (c x^{3} e^{2} - 3 \, c d x e + 3 \, b x e^{2}\right )} e^{\left (-3\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 84, normalized size = 1.27 \begin {gather*} \frac {c \,x^{3}}{3 e}+\frac {a \arctan \left (\frac {e x}{\sqrt {d e}}\right )}{\sqrt {d e}}-\frac {b d \arctan \left (\frac {e x}{\sqrt {d e}}\right )}{\sqrt {d e}\, e}+\frac {c \,d^{2} \arctan \left (\frac {e x}{\sqrt {d e}}\right )}{\sqrt {d e}\, e^{2}}+\frac {b x}{e}-\frac {c d x}{e^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 2.41, size = 58, normalized size = 0.88 \begin {gather*} \frac {{\left (c d^{2} - b d e + a e^{2}\right )} \arctan \left (\frac {e x}{\sqrt {d e}}\right )}{\sqrt {d e} e^{2}} + \frac {c e x^{3} - 3 \, {\left (c d - b e\right )} x}{3 \, e^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.09, size = 57, normalized size = 0.86 \begin {gather*} x\,\left (\frac {b}{e}-\frac {c\,d}{e^2}\right )+\frac {c\,x^3}{3\,e}+\frac {\mathrm {atan}\left (\frac {\sqrt {e}\,x}{\sqrt {d}}\right )\,\left (c\,d^2-b\,d\,e+a\,e^2\right )}{\sqrt {d}\,e^{5/2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [B] time = 0.73, size = 117, normalized size = 1.77 \begin {gather*} \frac {c x^{3}}{3 e} + x \left (\frac {b}{e} - \frac {c d}{e^{2}}\right ) - \frac {\sqrt {- \frac {1}{d e^{5}}} \left (a e^{2} - b d e + c d^{2}\right ) \log {\left (- d e^{2} \sqrt {- \frac {1}{d e^{5}}} + x \right )}}{2} + \frac {\sqrt {- \frac {1}{d e^{5}}} \left (a e^{2} - b d e + c d^{2}\right ) \log {\left (d e^{2} \sqrt {- \frac {1}{d e^{5}}} + x \right )}}{2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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