Optimal. Leaf size=105 \[ \frac {1}{32 a^4 b (a-b x)^2}+\frac {1}{8 a^5 b (a-b x)}-\frac {1}{24 a^3 b (a+b x)^3}-\frac {3}{32 a^4 b (a+b x)^2}-\frac {3}{16 a^5 b (a+b x)}+\frac {5 \tanh ^{-1}\left (\frac {b x}{a}\right )}{16 a^6 b} \]
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Rubi [A]
time = 0.05, antiderivative size = 105, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 3, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {641, 46, 214}
\begin {gather*} \frac {5 \tanh ^{-1}\left (\frac {b x}{a}\right )}{16 a^6 b}+\frac {1}{8 a^5 b (a-b x)}-\frac {3}{16 a^5 b (a+b x)}+\frac {1}{32 a^4 b (a-b x)^2}-\frac {3}{32 a^4 b (a+b x)^2}-\frac {1}{24 a^3 b (a+b x)^3} \end {gather*}
Antiderivative was successfully verified.
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Rule 46
Rule 214
Rule 641
Rubi steps
\begin {align*} \int \frac {1}{(a+b x) \left (a^2-b^2 x^2\right )^3} \, dx &=\int \frac {1}{(a-b x)^3 (a+b x)^4} \, dx\\ &=\int \left (\frac {1}{16 a^4 (a-b x)^3}+\frac {1}{8 a^5 (a-b x)^2}+\frac {1}{8 a^3 (a+b x)^4}+\frac {3}{16 a^4 (a+b x)^3}+\frac {3}{16 a^5 (a+b x)^2}+\frac {5}{16 a^5 \left (a^2-b^2 x^2\right )}\right ) \, dx\\ &=\frac {1}{32 a^4 b (a-b x)^2}+\frac {1}{8 a^5 b (a-b x)}-\frac {1}{24 a^3 b (a+b x)^3}-\frac {3}{32 a^4 b (a+b x)^2}-\frac {3}{16 a^5 b (a+b x)}+\frac {5 \int \frac {1}{a^2-b^2 x^2} \, dx}{16 a^5}\\ &=\frac {1}{32 a^4 b (a-b x)^2}+\frac {1}{8 a^5 b (a-b x)}-\frac {1}{24 a^3 b (a+b x)^3}-\frac {3}{32 a^4 b (a+b x)^2}-\frac {3}{16 a^5 b (a+b x)}+\frac {5 \tanh ^{-1}\left (\frac {b x}{a}\right )}{16 a^6 b}\\ \end {align*}
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Mathematica [A]
time = 0.03, size = 87, normalized size = 0.83 \begin {gather*} \frac {-\frac {2 a \left (8 a^4-25 a^3 b x-25 a^2 b^2 x^2+15 a b^3 x^3+15 b^4 x^4\right )}{(a-b x)^2 (a+b x)^3}-15 \log (a-b x)+15 \log (a+b x)}{96 a^6 b} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.46, size = 108, normalized size = 1.03
method | result | size |
norman | \(\frac {\frac {7}{48 b a}-\frac {15 b^{2} x^{3}}{16 a^{4}}+\frac {5 b^{4} x^{5}}{16 a^{6}}+\frac {5 x}{6 a^{2}}-\frac {5 b \,x^{2}}{48 a^{3}}}{\left (-b x +a \right )^{2} \left (b x +a \right )^{3}}-\frac {5 \ln \left (-b x +a \right )}{32 a^{6} b}+\frac {5 \ln \left (b x +a \right )}{32 a^{6} b}\) | \(93\) |
risch | \(\frac {-\frac {5 b^{3} x^{4}}{16 a^{5}}-\frac {5 b^{2} x^{3}}{16 a^{4}}+\frac {25 b \,x^{2}}{48 a^{3}}+\frac {25 x}{48 a^{2}}-\frac {1}{6 b a}}{\left (b x +a \right ) \left (-b^{2} x^{2}+a^{2}\right )^{2}}-\frac {5 \ln \left (-b x +a \right )}{32 a^{6} b}+\frac {5 \ln \left (b x +a \right )}{32 a^{6} b}\) | \(99\) |
default | \(\frac {5 \ln \left (b x +a \right )}{32 a^{6} b}-\frac {3}{16 a^{5} b \left (b x +a \right )}-\frac {3}{32 a^{4} b \left (b x +a \right )^{2}}-\frac {1}{24 a^{3} b \left (b x +a \right )^{3}}-\frac {5 \ln \left (-b x +a \right )}{32 a^{6} b}+\frac {1}{8 a^{5} b \left (-b x +a \right )}+\frac {1}{32 a^{4} b \left (-b x +a \right )^{2}}\) | \(108\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.31, size = 132, normalized size = 1.26 \begin {gather*} -\frac {15 \, b^{4} x^{4} + 15 \, a b^{3} x^{3} - 25 \, a^{2} b^{2} x^{2} - 25 \, a^{3} b x + 8 \, a^{4}}{48 \, {\left (a^{5} b^{6} x^{5} + a^{6} b^{5} x^{4} - 2 \, a^{7} b^{4} x^{3} - 2 \, a^{8} b^{3} x^{2} + a^{9} b^{2} x + a^{10} b\right )}} + \frac {5 \, \log \left (b x + a\right )}{32 \, a^{6} b} - \frac {5 \, \log \left (b x - a\right )}{32 \, a^{6} b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 216 vs.
\(2 (95) = 190\).
time = 3.29, size = 216, normalized size = 2.06 \begin {gather*} -\frac {30 \, a b^{4} x^{4} + 30 \, a^{2} b^{3} x^{3} - 50 \, a^{3} b^{2} x^{2} - 50 \, a^{4} b x + 16 \, a^{5} - 15 \, {\left (b^{5} x^{5} + a b^{4} x^{4} - 2 \, a^{2} b^{3} x^{3} - 2 \, a^{3} b^{2} x^{2} + a^{4} b x + a^{5}\right )} \log \left (b x + a\right ) + 15 \, {\left (b^{5} x^{5} + a b^{4} x^{4} - 2 \, a^{2} b^{3} x^{3} - 2 \, a^{3} b^{2} x^{2} + a^{4} b x + a^{5}\right )} \log \left (b x - a\right )}{96 \, {\left (a^{6} b^{6} x^{5} + a^{7} b^{5} x^{4} - 2 \, a^{8} b^{4} x^{3} - 2 \, a^{9} b^{3} x^{2} + a^{10} b^{2} x + a^{11} b\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.29, size = 134, normalized size = 1.28 \begin {gather*} - \frac {8 a^{4} - 25 a^{3} b x - 25 a^{2} b^{2} x^{2} + 15 a b^{3} x^{3} + 15 b^{4} x^{4}}{48 a^{10} b + 48 a^{9} b^{2} x - 96 a^{8} b^{3} x^{2} - 96 a^{7} b^{4} x^{3} + 48 a^{6} b^{5} x^{4} + 48 a^{5} b^{6} x^{5}} - \frac {\frac {5 \log {\left (- \frac {a}{b} + x \right )}}{32} - \frac {5 \log {\left (\frac {a}{b} + x \right )}}{32}}{a^{6} b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.21, size = 101, normalized size = 0.96 \begin {gather*} \frac {5 \, \log \left ({\left | b x + a \right |}\right )}{32 \, a^{6} b} - \frac {5 \, \log \left ({\left | b x - a \right |}\right )}{32 \, a^{6} b} - \frac {15 \, a b^{4} x^{4} + 15 \, a^{2} b^{3} x^{3} - 25 \, a^{3} b^{2} x^{2} - 25 \, a^{4} b x + 8 \, a^{5}}{48 \, {\left (b x + a\right )}^{3} {\left (b x - a\right )}^{2} a^{6} b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.11, size = 113, normalized size = 1.08 \begin {gather*} \frac {5\,\mathrm {atanh}\left (\frac {b\,x}{a}\right )}{16\,a^6\,b}-\frac {\frac {1}{6\,a\,b}-\frac {25\,x}{48\,a^2}-\frac {25\,b\,x^2}{48\,a^3}+\frac {5\,b^2\,x^3}{16\,a^4}+\frac {5\,b^3\,x^4}{16\,a^5}}{a^5+a^4\,b\,x-2\,a^3\,b^2\,x^2-2\,a^2\,b^3\,x^3+a\,b^4\,x^4+b^5\,x^5} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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