Optimal. Leaf size=168 \[ -\frac {(1-a x)^{3/4} \sqrt [4]{1+a x}}{4 x^4}-\frac {7 a (1-a x)^{3/4} \sqrt [4]{1+a x}}{24 x^3}-\frac {29 a^2 (1-a x)^{3/4} \sqrt [4]{1+a x}}{96 x^2}-\frac {83 a^3 (1-a x)^{3/4} \sqrt [4]{1+a x}}{192 x}-\frac {11}{64} a^4 \text {ArcTan}\left (\frac {\sqrt [4]{1+a x}}{\sqrt [4]{1-a x}}\right )-\frac {11}{64} a^4 \tanh ^{-1}\left (\frac {\sqrt [4]{1+a x}}{\sqrt [4]{1-a x}}\right ) \]
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Rubi [A]
time = 0.06, antiderivative size = 168, normalized size of antiderivative = 1.00, number of steps
used = 10, number of rules used = 8, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.571, Rules used = {6261, 101,
156, 12, 95, 218, 212, 209} \begin {gather*} -\frac {11}{64} a^4 \text {ArcTan}\left (\frac {\sqrt [4]{a x+1}}{\sqrt [4]{1-a x}}\right )-\frac {11}{64} a^4 \tanh ^{-1}\left (\frac {\sqrt [4]{a x+1}}{\sqrt [4]{1-a x}}\right )-\frac {83 a^3 (1-a x)^{3/4} \sqrt [4]{a x+1}}{192 x}-\frac {29 a^2 (1-a x)^{3/4} \sqrt [4]{a x+1}}{96 x^2}-\frac {(1-a x)^{3/4} \sqrt [4]{a x+1}}{4 x^4}-\frac {7 a (1-a x)^{3/4} \sqrt [4]{a x+1}}{24 x^3} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 95
Rule 101
Rule 156
Rule 209
Rule 212
Rule 218
Rule 6261
Rubi steps
\begin {align*} \int \frac {e^{\frac {1}{2} \tanh ^{-1}(a x)}}{x^5} \, dx &=\int \frac {\sqrt [4]{1+a x}}{x^5 \sqrt [4]{1-a x}} \, dx\\ &=-\frac {(1-a x)^{3/4} \sqrt [4]{1+a x}}{4 x^4}+\frac {1}{4} \int \frac {\frac {7 a}{2}+3 a^2 x}{x^4 \sqrt [4]{1-a x} (1+a x)^{3/4}} \, dx\\ &=-\frac {(1-a x)^{3/4} \sqrt [4]{1+a x}}{4 x^4}-\frac {7 a (1-a x)^{3/4} \sqrt [4]{1+a x}}{24 x^3}-\frac {1}{12} \int \frac {-\frac {29 a^2}{4}-7 a^3 x}{x^3 \sqrt [4]{1-a x} (1+a x)^{3/4}} \, dx\\ &=-\frac {(1-a x)^{3/4} \sqrt [4]{1+a x}}{4 x^4}-\frac {7 a (1-a x)^{3/4} \sqrt [4]{1+a x}}{24 x^3}-\frac {29 a^2 (1-a x)^{3/4} \sqrt [4]{1+a x}}{96 x^2}+\frac {1}{24} \int \frac {\frac {83 a^3}{8}+\frac {29 a^4 x}{4}}{x^2 \sqrt [4]{1-a x} (1+a x)^{3/4}} \, dx\\ &=-\frac {(1-a x)^{3/4} \sqrt [4]{1+a x}}{4 x^4}-\frac {7 a (1-a x)^{3/4} \sqrt [4]{1+a x}}{24 x^3}-\frac {29 a^2 (1-a x)^{3/4} \sqrt [4]{1+a x}}{96 x^2}-\frac {83 a^3 (1-a x)^{3/4} \sqrt [4]{1+a x}}{192 x}-\frac {1}{24} \int -\frac {33 a^4}{16 x \sqrt [4]{1-a x} (1+a x)^{3/4}} \, dx\\ &=-\frac {(1-a x)^{3/4} \sqrt [4]{1+a x}}{4 x^4}-\frac {7 a (1-a x)^{3/4} \sqrt [4]{1+a x}}{24 x^3}-\frac {29 a^2 (1-a x)^{3/4} \sqrt [4]{1+a x}}{96 x^2}-\frac {83 a^3 (1-a x)^{3/4} \sqrt [4]{1+a x}}{192 x}+\frac {1}{128} \left (11 a^4\right ) \int \frac {1}{x \sqrt [4]{1-a x} (1+a x)^{3/4}} \, dx\\ &=-\frac {(1-a x)^{3/4} \sqrt [4]{1+a x}}{4 x^4}-\frac {7 a (1-a x)^{3/4} \sqrt [4]{1+a x}}{24 x^3}-\frac {29 a^2 (1-a x)^{3/4} \sqrt [4]{1+a x}}{96 x^2}-\frac {83 a^3 (1-a x)^{3/4} \sqrt [4]{1+a x}}{192 x}+\frac {1}{32} \left (11 a^4\right ) \text {Subst}\left (\int \frac {1}{-1+x^4} \, dx,x,\frac {\sqrt [4]{1+a x}}{\sqrt [4]{1-a x}}\right )\\ &=-\frac {(1-a x)^{3/4} \sqrt [4]{1+a x}}{4 x^4}-\frac {7 a (1-a x)^{3/4} \sqrt [4]{1+a x}}{24 x^3}-\frac {29 a^2 (1-a x)^{3/4} \sqrt [4]{1+a x}}{96 x^2}-\frac {83 a^3 (1-a x)^{3/4} \sqrt [4]{1+a x}}{192 x}-\frac {1}{64} \left (11 a^4\right ) \text {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\frac {\sqrt [4]{1+a x}}{\sqrt [4]{1-a x}}\right )-\frac {1}{64} \left (11 a^4\right ) \text {Subst}\left (\int \frac {1}{1+x^2} \, dx,x,\frac {\sqrt [4]{1+a x}}{\sqrt [4]{1-a x}}\right )\\ &=-\frac {(1-a x)^{3/4} \sqrt [4]{1+a x}}{4 x^4}-\frac {7 a (1-a x)^{3/4} \sqrt [4]{1+a x}}{24 x^3}-\frac {29 a^2 (1-a x)^{3/4} \sqrt [4]{1+a x}}{96 x^2}-\frac {83 a^3 (1-a x)^{3/4} \sqrt [4]{1+a x}}{192 x}-\frac {11}{64} a^4 \tan ^{-1}\left (\frac {\sqrt [4]{1+a x}}{\sqrt [4]{1-a x}}\right )-\frac {11}{64} a^4 \tanh ^{-1}\left (\frac {\sqrt [4]{1+a x}}{\sqrt [4]{1-a x}}\right )\\ \end {align*}
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Mathematica [C] Result contains higher order function than in optimal. Order 5 vs. order 3 in
optimal.
time = 0.02, size = 86, normalized size = 0.51 \begin {gather*} -\frac {(1-a x)^{3/4} \left (48+104 a x+114 a^2 x^2+141 a^3 x^3+83 a^4 x^4+22 a^4 x^4 \, _2F_1\left (\frac {3}{4},1;\frac {7}{4};\frac {1-a x}{1+a x}\right )\right )}{192 x^4 (1+a x)^{3/4}} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.01, size = 0, normalized size = 0.00 \[\int \frac {\sqrt {\frac {a x +1}{\sqrt {-a^{2} x^{2}+1}}}}{x^{5}}\, dx\]
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 [A]
time = 0.40, size = 161, normalized size = 0.96 \begin {gather*} -\frac {66 \, a^{4} x^{4} \arctan \left (\sqrt {-\frac {\sqrt {-a^{2} x^{2} + 1}}{a x - 1}}\right ) + 33 \, a^{4} x^{4} \log \left (\sqrt {-\frac {\sqrt {-a^{2} x^{2} + 1}}{a x - 1}} + 1\right ) - 33 \, a^{4} x^{4} \log \left (\sqrt {-\frac {\sqrt {-a^{2} x^{2} + 1}}{a x - 1}} - 1\right ) - 2 \, {\left (83 \, a^{4} x^{4} - 25 \, a^{3} x^{3} - 2 \, a^{2} x^{2} - 8 \, a x - 48\right )} \sqrt {-\frac {\sqrt {-a^{2} x^{2} + 1}}{a x - 1}}}{384 \, x^{4}} \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 \frac {\sqrt {\frac {a x + 1}{\sqrt {- a^{2} x^{2} + 1}}}}{x^{5}}\, dx \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 {\sqrt {\frac {a\,x+1}{\sqrt {1-a^2\,x^2}}}}{x^5} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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