Optimal. Leaf size=126 \[ -\frac {b n}{2 d^2 x^2}+\frac {a+b \log \left (c x^n\right )}{2 d x^2 \left (d+e x^2\right )}-\frac {4 a-b n+4 b \log \left (c x^n\right )}{4 d^2 x^2}+\frac {e \log \left (1+\frac {d}{e x^2}\right ) \left (4 a-b n+4 b \log \left (c x^n\right )\right )}{4 d^3}-\frac {b e n \text {Li}_2\left (-\frac {d}{e x^2}\right )}{2 d^3} \]
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Rubi [A]
time = 0.17, antiderivative size = 126, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 5, integrand size = 23, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.217, Rules used = {2385, 2380,
2341, 2379, 2438} \begin {gather*} -\frac {b e n \text {PolyLog}\left (2,-\frac {d}{e x^2}\right )}{2 d^3}+\frac {e \log \left (\frac {d}{e x^2}+1\right ) \left (4 a+4 b \log \left (c x^n\right )-b n\right )}{4 d^3}-\frac {4 a+4 b \log \left (c x^n\right )-b n}{4 d^2 x^2}+\frac {a+b \log \left (c x^n\right )}{2 d x^2 \left (d+e x^2\right )}-\frac {b n}{2 d^2 x^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 2341
Rule 2379
Rule 2380
Rule 2385
Rule 2438
Rubi steps
\begin {align*} \int \frac {a+b \log \left (c x^n\right )}{x^3 \left (d+e x^2\right )^2} \, dx &=\frac {a+b \log \left (c x^n\right )}{2 d x^2 \left (d+e x^2\right )}-\frac {\int \frac {-4 a+b n-4 b \log \left (c x^n\right )}{x^3 \left (d+e x^2\right )} \, dx}{2 d}\\ &=\frac {a+b \log \left (c x^n\right )}{2 d x^2 \left (d+e x^2\right )}-\frac {\int \left (\frac {-4 a+b n-4 b \log \left (c x^n\right )}{d x^3}-\frac {e \left (-4 a+b n-4 b \log \left (c x^n\right )\right )}{d^2 x}+\frac {e^2 x \left (-4 a+b n-4 b \log \left (c x^n\right )\right )}{d^2 \left (d+e x^2\right )}\right ) \, dx}{2 d}\\ &=\frac {a+b \log \left (c x^n\right )}{2 d x^2 \left (d+e x^2\right )}-\frac {\int \frac {-4 a+b n-4 b \log \left (c x^n\right )}{x^3} \, dx}{2 d^2}+\frac {e \int \frac {-4 a+b n-4 b \log \left (c x^n\right )}{x} \, dx}{2 d^3}-\frac {e^2 \int \frac {x \left (-4 a+b n-4 b \log \left (c x^n\right )\right )}{d+e x^2} \, dx}{2 d^3}\\ &=-\frac {b n}{2 d^2 x^2}+\frac {a+b \log \left (c x^n\right )}{2 d x^2 \left (d+e x^2\right )}-\frac {4 a-b n+4 b \log \left (c x^n\right )}{4 d^2 x^2}-\frac {e \left (4 a-b n+4 b \log \left (c x^n\right )\right )^2}{16 b d^3 n}+\frac {e \left (4 a-b n+4 b \log \left (c x^n\right )\right ) \log \left (1+\frac {e x^2}{d}\right )}{4 d^3}-\frac {(b e n) \int \frac {\log \left (1+\frac {e x^2}{d}\right )}{x} \, dx}{d^3}\\ &=-\frac {b n}{2 d^2 x^2}+\frac {a+b \log \left (c x^n\right )}{2 d x^2 \left (d+e x^2\right )}-\frac {4 a-b n+4 b \log \left (c x^n\right )}{4 d^2 x^2}-\frac {e \left (4 a-b n+4 b \log \left (c x^n\right )\right )^2}{16 b d^3 n}+\frac {e \left (4 a-b n+4 b \log \left (c x^n\right )\right ) \log \left (1+\frac {e x^2}{d}\right )}{4 d^3}+\frac {b e n \text {Li}_2\left (-\frac {e x^2}{d}\right )}{2 d^3}\\ \end {align*}
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Mathematica [C] Result contains complex when optimal does not.
time = 0.36, size = 334, normalized size = 2.65 \begin {gather*} \frac {-\frac {2 d \left (a-b n \log (x)+b \log \left (c x^n\right )\right )}{x^2}-\frac {2 d e \left (a-b n \log (x)+b \log \left (c x^n\right )\right )}{d+e x^2}-8 e \log (x) \left (a-b n \log (x)+b \log \left (c x^n\right )\right )+4 e \left (a-b n \log (x)+b \log \left (c x^n\right )\right ) \log \left (d+e x^2\right )+b n \left (\frac {e^{3/2} x \log (x)}{-i \sqrt {d}+\sqrt {e} x}-4 e \log ^2(x)-\frac {d+2 d \log (x)}{x^2}-e \log \left (i \sqrt {d}-\sqrt {e} x\right )+\frac {-i e^{3/2} x \log (x)+e \left (-\sqrt {d}+i \sqrt {e} x\right ) \log \left (i \sqrt {d}+\sqrt {e} x\right )}{\sqrt {d}-i \sqrt {e} x}+4 e \left (\log (x) \log \left (1+\frac {i \sqrt {e} x}{\sqrt {d}}\right )+\text {Li}_2\left (-\frac {i \sqrt {e} x}{\sqrt {d}}\right )\right )+4 e \left (\log (x) \log \left (1-\frac {i \sqrt {e} x}{\sqrt {d}}\right )+\text {Li}_2\left (\frac {i \sqrt {e} x}{\sqrt {d}}\right )\right )\right )}{4 d^3} \end {gather*}
Antiderivative was successfully verified.
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Maple [C] Result contains higher order function than in optimal. Order 9 vs. order
4.
time = 0.13, size = 817, normalized size = 6.48
method | result | size |
risch | \(\frac {i b \pi \mathrm {csgn}\left (i c \,x^{n}\right )^{3}}{4 d^{2} x^{2}}+\frac {b n e \dilog \left (\frac {-e x +\sqrt {-e d}}{\sqrt {-e d}}\right )}{d^{3}}+\frac {b n e \ln \left (x \right ) \ln \left (\frac {-e x +\sqrt {-e d}}{\sqrt {-e d}}\right )}{d^{3}}+\frac {b n e \ln \left (x \right ) \ln \left (\frac {e x +\sqrt {-e d}}{\sqrt {-e d}}\right )}{d^{3}}-\frac {b n e \ln \left (x \right ) \ln \left (e \,x^{2}+d \right )}{d^{3}}-\frac {b \ln \left (x^{n}\right ) e}{2 d^{2} \left (e \,x^{2}+d \right )}+\frac {b \ln \left (x^{n}\right ) e \ln \left (e \,x^{2}+d \right )}{d^{3}}-\frac {2 b \ln \left (x^{n}\right ) e \ln \left (x \right )}{d^{3}}-\frac {b \ln \left (c \right ) e}{2 d^{2} \left (e \,x^{2}+d \right )}+\frac {b \ln \left (c \right ) e \ln \left (e \,x^{2}+d \right )}{d^{3}}-\frac {a e}{2 d^{2} \left (e \,x^{2}+d \right )}+\frac {a e \ln \left (e \,x^{2}+d \right )}{d^{3}}-\frac {2 a e \ln \left (x \right )}{d^{3}}-\frac {a}{2 d^{2} x^{2}}-\frac {b n e \ln \left (e \,x^{2}+d \right )}{4 d^{3}}-\frac {i b \pi \mathrm {csgn}\left (i c \,x^{n}\right )^{3} e \ln \left (e \,x^{2}+d \right )}{2 d^{3}}-\frac {i b \pi \,\mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2}}{4 d^{2} x^{2}}-\frac {b \ln \left (x^{n}\right )}{2 d^{2} x^{2}}-\frac {2 b \ln \left (c \right ) e \ln \left (x \right )}{d^{3}}+\frac {b n e \ln \left (x \right )^{2}}{d^{3}}+\frac {b n e \ln \left (x \right )}{2 d^{3}}-\frac {b \ln \left (c \right )}{2 d^{2} x^{2}}+\frac {i b \pi \,\mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2} e \ln \left (e \,x^{2}+d \right )}{2 d^{3}}-\frac {i b \pi \,\mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2} e \ln \left (x \right )}{d^{3}}+\frac {i b \pi \,\mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right )}{4 d^{2} x^{2}}-\frac {i b \pi \,\mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2} e}{4 d^{2} \left (e \,x^{2}+d \right )}-\frac {i b \pi \,\mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2} e \ln \left (x \right )}{d^{3}}-\frac {i b \pi \,\mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2} e}{4 d^{2} \left (e \,x^{2}+d \right )}+\frac {i b \pi \,\mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2} e \ln \left (e \,x^{2}+d \right )}{2 d^{3}}+\frac {b n e \dilog \left (\frac {e x +\sqrt {-e d}}{\sqrt {-e d}}\right )}{d^{3}}+\frac {i b \pi \,\mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right ) e \ln \left (x \right )}{d^{3}}+\frac {i b \pi \mathrm {csgn}\left (i c \,x^{n}\right )^{3} e \ln \left (x \right )}{d^{3}}-\frac {i b \pi \,\mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right )^{2}}{4 d^{2} x^{2}}-\frac {b n}{4 d^{2} x^{2}}+\frac {i b \pi \mathrm {csgn}\left (i c \,x^{n}\right )^{3} e}{4 d^{2} \left (e \,x^{2}+d \right )}+\frac {i b \pi \,\mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right ) e}{4 d^{2} \left (e \,x^{2}+d \right )}-\frac {i b \pi \,\mathrm {csgn}\left (i c \right ) \mathrm {csgn}\left (i x^{n}\right ) \mathrm {csgn}\left (i c \,x^{n}\right ) e \ln \left (e \,x^{2}+d \right )}{2 d^{3}}\) | \(817\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 227.41, size = 364, normalized size = 2.89 \begin {gather*} \frac {a e^{2} \left (\begin {cases} \frac {x^{2}}{2 d^{2}} & \text {for}\: e = 0 \\- \frac {1}{2 d e + 2 e^{2} x^{2}} & \text {otherwise} \end {cases}\right )}{d^{2}} - \frac {a}{2 d^{2} x^{2}} - \frac {2 a e \log {\left (x \right )}}{d^{3}} + \frac {a e \log {\left (d + e x^{2} \right )}}{d^{3}} - \frac {b e^{2} n \left (\begin {cases} \frac {x^{2}}{2 d^{2}} & \text {for}\: e = 0 \\- \frac {\log {\left (x \right )}}{d e} + \frac {\log {\left (\frac {d}{e} + x^{2} \right )}}{2 d e} & \text {otherwise} \end {cases}\right )}{2 d^{2}} + \frac {b e^{2} \left (\begin {cases} \frac {x^{2}}{d^{2}} & \text {for}\: e = 0 \\- \frac {1}{d e + e^{2} x^{2}} & \text {otherwise} \end {cases}\right ) \log {\left (c x^{n} \right )}}{2 d^{2}} - \frac {b n}{4 d^{2} x^{2}} - \frac {b \log {\left (c x^{n} \right )}}{2 d^{2} x^{2}} - \frac {b e^{2} n \left (\begin {cases} \frac {x^{2}}{2 d} & \text {for}\: e = 0 \\\frac {\begin {cases} - \frac {\operatorname {Li}_{2}\left (\frac {e x^{2} e^{i \pi }}{d}\right )}{2} & \text {for}\: \frac {1}{\left |{x}\right |} < 1 \wedge \left |{x}\right | < 1 \\\log {\left (d \right )} \log {\left (x \right )} - \frac {\operatorname {Li}_{2}\left (\frac {e x^{2} e^{i \pi }}{d}\right )}{2} & \text {for}\: \left |{x}\right | < 1 \\- \log {\left (d \right )} \log {\left (\frac {1}{x} \right )} - \frac {\operatorname {Li}_{2}\left (\frac {e x^{2} e^{i \pi }}{d}\right )}{2} & \text {for}\: \frac {1}{\left |{x}\right |} < 1 \\- {G_{2, 2}^{2, 0}\left (\begin {matrix} & 1, 1 \\0, 0 & \end {matrix} \middle | {x} \right )} \log {\left (d \right )} + {G_{2, 2}^{0, 2}\left (\begin {matrix} 1, 1 & \\ & 0, 0 \end {matrix} \middle | {x} \right )} \log {\left (d \right )} - \frac {\operatorname {Li}_{2}\left (\frac {e x^{2} e^{i \pi }}{d}\right )}{2} & \text {otherwise} \end {cases}}{e} & \text {otherwise} \end {cases}\right )}{d^{3}} + \frac {b e^{2} \left (\begin {cases} \frac {x^{2}}{d} & \text {for}\: e = 0 \\\frac {\log {\left (d + e x^{2} \right )}}{e} & \text {otherwise} \end {cases}\right ) \log {\left (c x^{n} \right )}}{d^{3}} + \frac {b e n \log {\left (x^{2} \right )}^{2}}{4 d^{3}} - \frac {b e \log {\left (x^{2} \right )} \log {\left (c x^{n} \right )}}{d^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \frac {a+b\,\ln \left (c\,x^n\right )}{x^3\,{\left (e\,x^2+d\right )}^2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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