Optimal. Leaf size=16 \[ \frac {\coth ^{-1}(\tanh (a+b x))^3}{3 b} \]
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Rubi [A]
time = 0.00, antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {2188, 30}
\begin {gather*} \frac {\coth ^{-1}(\tanh (a+b x))^3}{3 b} \end {gather*}
Antiderivative was successfully verified.
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Rule 30
Rule 2188
Rubi steps
\begin {align*} \int \coth ^{-1}(\tanh (a+b x))^2 \, dx &=\frac {\text {Subst}\left (\int x^2 \, dx,x,\coth ^{-1}(\tanh (a+b x))\right )}{b}\\ &=\frac {\coth ^{-1}(\tanh (a+b x))^3}{3 b}\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 16, normalized size = 1.00 \begin {gather*} \frac {\coth ^{-1}(\tanh (a+b x))^3}{3 b} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.50, size = 15, normalized size = 0.94
method | result | size |
derivativedivides | \(\frac {\mathrm {arccoth}\left (\tanh \left (b x +a \right )\right )^{3}}{3 b}\) | \(15\) |
default | \(\frac {\mathrm {arccoth}\left (\tanh \left (b x +a \right )\right )^{3}}{3 b}\) | \(15\) |
risch | \(\text {Expression too large to display}\) | \(14844\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 33 vs.
\(2 (14) = 28\).
time = 0.33, size = 33, normalized size = 2.06 \begin {gather*} \frac {1}{3} \, b^{2} x^{3} - b x^{2} \operatorname {arcoth}\left (\tanh \left (b x + a\right )\right ) + x \operatorname {arcoth}\left (\tanh \left (b x + a\right )\right )^{2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.34, size = 27, normalized size = 1.69 \begin {gather*} \frac {1}{3} \, b^{2} x^{3} + a b x^{2} - \frac {1}{4} \, {\left (\pi ^{2} - 4 \, a^{2}\right )} x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.08, size = 20, normalized size = 1.25 \begin {gather*} \begin {cases} \frac {\operatorname {acoth}^{3}{\left (\tanh {\left (a + b x \right )} \right )}}{3 b} & \text {for}\: b \neq 0 \\x \operatorname {acoth}^{2}{\left (\tanh {\left (a \right )} \right )} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [C] Result contains complex when optimal does not.
time = 0.40, size = 39, normalized size = 2.44 \begin {gather*} \frac {1}{3} \, b^{2} x^{3} - \frac {1}{2} \, {\left (-i \, \pi b - 2 \, a b\right )} x^{2} - \frac {1}{4} \, {\left (\pi ^{2} - 4 i \, \pi a - 4 \, a^{2}\right )} x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.12, size = 33, normalized size = 2.06 \begin {gather*} \frac {b^2\,x^3}{3}-b\,x^2\,\mathrm {acoth}\left (\mathrm {tanh}\left (a+b\,x\right )\right )+x\,{\mathrm {acoth}\left (\mathrm {tanh}\left (a+b\,x\right )\right )}^2 \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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