Integrand size = 13, antiderivative size = 31 \[ \int \frac {\coth ^{-1}(\tanh (a+b x))^3}{x^5} \, dx=\frac {\coth ^{-1}(\tanh (a+b x))^4}{4 x^4 \left (b x-\coth ^{-1}(\tanh (a+b x))\right )} \]
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Time = 0.01 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {2198} \[ \int \frac {\coth ^{-1}(\tanh (a+b x))^3}{x^5} \, dx=\frac {\coth ^{-1}(\tanh (a+b x))^4}{4 x^4 \left (b x-\coth ^{-1}(\tanh (a+b x))\right )} \]
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Rule 2198
Rubi steps \begin{align*} \text {integral}& = \frac {\coth ^{-1}(\tanh (a+b x))^4}{4 x^4 \left (b x-\coth ^{-1}(\tanh (a+b x))\right )} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.61 \[ \int \frac {\coth ^{-1}(\tanh (a+b x))^3}{x^5} \, dx=-\frac {b^3 x^3+b^2 x^2 \coth ^{-1}(\tanh (a+b x))+b x \coth ^{-1}(\tanh (a+b x))^2+\coth ^{-1}(\tanh (a+b x))^3}{4 x^4} \]
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Time = 1.02 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.58
method | result | size |
parallelrisch | \(-\frac {b^{3} x^{3}+b^{2} x^{2} \operatorname {arccoth}\left (\tanh \left (b x +a \right )\right )+b x \operatorname {arccoth}\left (\tanh \left (b x +a \right )\right )^{2}+\operatorname {arccoth}\left (\tanh \left (b x +a \right )\right )^{3}}{4 x^{4}}\) | \(49\) |
risch | \(\text {Expression too large to display}\) | \(17235\) |
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Result contains complex when optimal does not.
Time = 0.26 (sec) , antiderivative size = 75, normalized size of antiderivative = 2.42 \[ \int \frac {\coth ^{-1}(\tanh (a+b x))^3}{x^5} \, dx=-\frac {32 \, b^{3} x^{3} + 48 \, a b^{2} x^{2} + 32 \, a^{2} b x - i \, \pi ^{3} - 2 \, \pi ^{2} {\left (4 \, b x + 3 \, a\right )} + 8 \, a^{3} + 4 i \, \pi {\left (6 \, b^{2} x^{2} + 8 \, a b x + 3 \, a^{2}\right )}}{32 \, x^{4}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 56 vs. \(2 (26) = 52\).
Time = 0.29 (sec) , antiderivative size = 56, normalized size of antiderivative = 1.81 \[ \int \frac {\coth ^{-1}(\tanh (a+b x))^3}{x^5} \, dx=- \frac {b^{3}}{4 x} - \frac {b^{2} \operatorname {acoth}{\left (\tanh {\left (a + b x \right )} \right )}}{4 x^{2}} - \frac {b \operatorname {acoth}^{2}{\left (\tanh {\left (a + b x \right )} \right )}}{4 x^{3}} - \frac {\operatorname {acoth}^{3}{\left (\tanh {\left (a + b x \right )} \right )}}{4 x^{4}} \]
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none
Time = 0.34 (sec) , antiderivative size = 53, normalized size of antiderivative = 1.71 \[ \int \frac {\coth ^{-1}(\tanh (a+b x))^3}{x^5} \, dx=-\frac {1}{4} \, b {\left (\frac {b^{2}}{x} + \frac {b \operatorname {arcoth}\left (\tanh \left (b x + a\right )\right )}{x^{2}}\right )} - \frac {b \operatorname {arcoth}\left (\tanh \left (b x + a\right )\right )^{2}}{4 \, x^{3}} - \frac {\operatorname {arcoth}\left (\tanh \left (b x + a\right )\right )^{3}}{4 \, x^{4}} \]
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Result contains complex when optimal does not.
Time = 0.30 (sec) , antiderivative size = 74, normalized size of antiderivative = 2.39 \[ \int \frac {\coth ^{-1}(\tanh (a+b x))^3}{x^5} \, dx=-\frac {32 \, b^{3} x^{3} + 24 i \, \pi b^{2} x^{2} + 48 \, a b^{2} x^{2} - 8 \, \pi ^{2} b x + 32 i \, \pi a b x + 32 \, a^{2} b x - i \, \pi ^{3} - 6 \, \pi ^{2} a + 12 i \, \pi a^{2} + 8 \, a^{3}}{32 \, x^{4}} \]
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Time = 4.18 (sec) , antiderivative size = 48, normalized size of antiderivative = 1.55 \[ \int \frac {\coth ^{-1}(\tanh (a+b x))^3}{x^5} \, dx=-\frac {b^3\,x^3+b^2\,x^2\,\mathrm {acoth}\left (\mathrm {tanh}\left (a+b\,x\right )\right )+b\,x\,{\mathrm {acoth}\left (\mathrm {tanh}\left (a+b\,x\right )\right )}^2+{\mathrm {acoth}\left (\mathrm {tanh}\left (a+b\,x\right )\right )}^3}{4\,x^4} \]
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