Optimal. Leaf size=71 \[ -\frac {i x^4}{4}+\frac {1}{2} i x^4 \, _2F_1\left (1,-\frac {2 i}{b d n};1-\frac {2 i}{b d n};-e^{2 i a d} \left (c x^n\right )^{2 i b d}\right ) \]
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Rubi [A]
time = 0.04, antiderivative size = 71, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 4, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.235, Rules used = {4593, 4591,
470, 371} \begin {gather*} \frac {1}{2} i x^4 \, _2F_1\left (1,-\frac {2 i}{b d n};1-\frac {2 i}{b d n};-e^{2 i a d} \left (c x^n\right )^{2 i b d}\right )-\frac {i x^4}{4} \end {gather*}
Antiderivative was successfully verified.
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Rule 371
Rule 470
Rule 4591
Rule 4593
Rubi steps
\begin {align*} \int x^3 \tan \left (d \left (a+b \log \left (c x^n\right )\right )\right ) \, dx &=\int x^3 \tan \left (d \left (a+b \log \left (c x^n\right )\right )\right ) \, dx\\ \end {align*}
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Mathematica [B] Both result and optimal contain complex but leaf count is larger than twice
the leaf count of optimal. \(146\) vs. \(2(71)=142\).
time = 6.80, size = 146, normalized size = 2.06 \begin {gather*} \frac {x^4 \left (2 i e^{2 i d \left (a+b \log \left (c x^n\right )\right )} \, _2F_1\left (1,1-\frac {2 i}{b d n};2-\frac {2 i}{b d n};-e^{2 i d \left (a+b \log \left (c x^n\right )\right )}\right )+(-2 i+b d n) \, _2F_1\left (1,-\frac {2 i}{b d n};1-\frac {2 i}{b d n};-e^{2 i d \left (a+b \log \left (c x^n\right )\right )}\right )\right )}{-8-4 i b d n} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.02, size = 0, normalized size = 0.00 \[\int x^{3} \tan \left (d \left (a +b \ln \left (c \,x^{n}\right )\right )\right )\, dx\]
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 [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int x^{3} \tan {\left (a d + b d \log {\left (c x^{n} \right )} \right )}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \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 x^3\,\mathrm {tan}\left (d\,\left (a+b\,\ln \left (c\,x^n\right )\right )\right ) \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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