Optimal. Leaf size=143 \[ \frac {(6 a-b) b^2 \tanh ^{-1}\left (\frac {\sqrt {a-b} \tanh (c+d x)}{\sqrt {a}}\right )}{2 a^{3/2} (a-b)^{7/2} d}+\frac {(a-3 b) \tanh (c+d x)}{(a-b)^3 d}-\frac {\tanh ^3(c+d x)}{3 (a-b)^2 d}-\frac {b^3 \tanh (c+d x)}{2 a (a-b)^3 d \left (a-(a-b) \tanh ^2(c+d x)\right )} \]
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Rubi [A]
time = 0.14, antiderivative size = 143, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 4, integrand size = 23, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.174, Rules used = {3270, 398, 393,
214} \begin {gather*} \frac {b^2 (6 a-b) \tanh ^{-1}\left (\frac {\sqrt {a-b} \tanh (c+d x)}{\sqrt {a}}\right )}{2 a^{3/2} d (a-b)^{7/2}}-\frac {b^3 \tanh (c+d x)}{2 a d (a-b)^3 \left (a-(a-b) \tanh ^2(c+d x)\right )}-\frac {\tanh ^3(c+d x)}{3 d (a-b)^2}+\frac {(a-3 b) \tanh (c+d x)}{d (a-b)^3} \end {gather*}
Antiderivative was successfully verified.
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Rule 214
Rule 393
Rule 398
Rule 3270
Rubi steps
\begin {align*} \int \frac {\text {sech}^4(c+d x)}{\left (a+b \sinh ^2(c+d x)\right )^2} \, dx &=\frac {\text {Subst}\left (\int \frac {\left (1-x^2\right )^3}{\left (a-(a-b) x^2\right )^2} \, dx,x,\tanh (c+d x)\right )}{d}\\ &=\frac {\text {Subst}\left (\int \left (\frac {a-3 b}{(a-b)^3}-\frac {x^2}{(a-b)^2}+\frac {(3 a-b) b^2-3 (a-b) b^2 x^2}{(a-b)^3 \left (a+(-a+b) x^2\right )^2}\right ) \, dx,x,\tanh (c+d x)\right )}{d}\\ &=\frac {(a-3 b) \tanh (c+d x)}{(a-b)^3 d}-\frac {\tanh ^3(c+d x)}{3 (a-b)^2 d}+\frac {\text {Subst}\left (\int \frac {(3 a-b) b^2-3 (a-b) b^2 x^2}{\left (a+(-a+b) x^2\right )^2} \, dx,x,\tanh (c+d x)\right )}{(a-b)^3 d}\\ &=\frac {(a-3 b) \tanh (c+d x)}{(a-b)^3 d}-\frac {\tanh ^3(c+d x)}{3 (a-b)^2 d}-\frac {b^3 \tanh (c+d x)}{2 a (a-b)^3 d \left (a-(a-b) \tanh ^2(c+d x)\right )}+\frac {\left ((6 a-b) b^2\right ) \text {Subst}\left (\int \frac {1}{a+(-a+b) x^2} \, dx,x,\tanh (c+d x)\right )}{2 a (a-b)^3 d}\\ &=\frac {(6 a-b) b^2 \tanh ^{-1}\left (\frac {\sqrt {a-b} \tanh (c+d x)}{\sqrt {a}}\right )}{2 a^{3/2} (a-b)^{7/2} d}+\frac {(a-3 b) \tanh (c+d x)}{(a-b)^3 d}-\frac {\tanh ^3(c+d x)}{3 (a-b)^2 d}-\frac {b^3 \tanh (c+d x)}{2 a (a-b)^3 d \left (a-(a-b) \tanh ^2(c+d x)\right )}\\ \end {align*}
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Mathematica [A]
time = 1.47, size = 130, normalized size = 0.91 \begin {gather*} \frac {\frac {3 (6 a-b) b^2 \tanh ^{-1}\left (\frac {\sqrt {a-b} \tanh (c+d x)}{\sqrt {a}}\right )}{a^{3/2} (a-b)^{7/2}}+\frac {-\frac {3 b^3 \sinh (2 (c+d x))}{a (2 a-b+b \cosh (2 (c+d x)))}+2 \left (2 (a-4 b)+(a-b) \text {sech}^2(c+d x)\right ) \tanh (c+d x)}{(a-b)^3}}{6 d} \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(355\) vs.
\(2(129)=258\).
time = 1.97, size = 356, normalized size = 2.49
method | result | size |
derivativedivides | \(\frac {-\frac {2 b^{2} \left (\frac {\frac {b \left (\tanh ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{2 a}+\frac {b \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{2 a}}{a \left (\tanh ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-2 a \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+4 b \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+a}+\frac {\left (6 a -b \right ) \left (\frac {\left (\sqrt {-b \left (a -b \right )}+b \right ) \arctan \left (\frac {a \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{\sqrt {\left (2 \sqrt {-b \left (a -b \right )}-a +2 b \right ) a}}\right )}{2 a \sqrt {-b \left (a -b \right )}\, \sqrt {\left (2 \sqrt {-b \left (a -b \right )}-a +2 b \right ) a}}-\frac {\left (\sqrt {-b \left (a -b \right )}-b \right ) \arctanh \left (\frac {a \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{\sqrt {\left (2 \sqrt {-b \left (a -b \right )}+a -2 b \right ) a}}\right )}{2 a \sqrt {-b \left (a -b \right )}\, \sqrt {\left (2 \sqrt {-b \left (a -b \right )}+a -2 b \right ) a}}\right )}{2}\right )}{\left (a -b \right )^{3}}-\frac {2 \left (\left (3 b -a \right ) \left (\tanh ^{5}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\left (\frac {14 b}{3}-\frac {2 a}{3}\right ) \left (\tanh ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\left (3 b -a \right ) \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{\left (a -b \right )^{3} \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )^{3}}}{d}\) | \(356\) |
default | \(\frac {-\frac {2 b^{2} \left (\frac {\frac {b \left (\tanh ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{2 a}+\frac {b \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{2 a}}{a \left (\tanh ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-2 a \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+4 b \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+a}+\frac {\left (6 a -b \right ) \left (\frac {\left (\sqrt {-b \left (a -b \right )}+b \right ) \arctan \left (\frac {a \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{\sqrt {\left (2 \sqrt {-b \left (a -b \right )}-a +2 b \right ) a}}\right )}{2 a \sqrt {-b \left (a -b \right )}\, \sqrt {\left (2 \sqrt {-b \left (a -b \right )}-a +2 b \right ) a}}-\frac {\left (\sqrt {-b \left (a -b \right )}-b \right ) \arctanh \left (\frac {a \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{\sqrt {\left (2 \sqrt {-b \left (a -b \right )}+a -2 b \right ) a}}\right )}{2 a \sqrt {-b \left (a -b \right )}\, \sqrt {\left (2 \sqrt {-b \left (a -b \right )}+a -2 b \right ) a}}\right )}{2}\right )}{\left (a -b \right )^{3}}-\frac {2 \left (\left (3 b -a \right ) \left (\tanh ^{5}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\left (\frac {14 b}{3}-\frac {2 a}{3}\right ) \left (\tanh ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\left (3 b -a \right ) \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{\left (a -b \right )^{3} \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )^{3}}}{d}\) | \(356\) |
risch | \(-\frac {-18 a \,b^{2} {\mathrm e}^{8 d x +8 c}+3 b^{3} {\mathrm e}^{8 d x +8 c}-36 a^{2} b \,{\mathrm e}^{6 d x +6 c}-30 a \,b^{2} {\mathrm e}^{6 d x +6 c}+6 b^{3} {\mathrm e}^{6 d x +6 c}+48 a^{3} {\mathrm e}^{4 d x +4 c}-164 a^{2} b \,{\mathrm e}^{4 d x +4 c}+26 a \,b^{2} {\mathrm e}^{4 d x +4 c}+16 a^{3} {\mathrm e}^{2 d x +2 c}-60 a^{2} b \,{\mathrm e}^{2 d x +2 c}-10 a \,b^{2} {\mathrm e}^{2 d x +2 c}-6 b^{3} {\mathrm e}^{2 d x +2 c}+4 a^{2} b -16 a \,b^{2}-3 b^{3}}{3 d \left (a -b \right )^{3} \left (1+{\mathrm e}^{2 d x +2 c}\right )^{3} a \left (b \,{\mathrm e}^{4 d x +4 c}+4 a \,{\mathrm e}^{2 d x +2 c}-2 b \,{\mathrm e}^{2 d x +2 c}+b \right )}+\frac {3 b^{2} \ln \left ({\mathrm e}^{2 d x +2 c}+\frac {2 a \sqrt {a^{2}-a b}-b \sqrt {a^{2}-a b}-2 a^{2}+2 a b}{b \sqrt {a^{2}-a b}}\right )}{2 \sqrt {a^{2}-a b}\, \left (a -b \right )^{3} d}-\frac {b^{3} \ln \left ({\mathrm e}^{2 d x +2 c}+\frac {2 a \sqrt {a^{2}-a b}-b \sqrt {a^{2}-a b}-2 a^{2}+2 a b}{b \sqrt {a^{2}-a b}}\right )}{4 \sqrt {a^{2}-a b}\, \left (a -b \right )^{3} d a}-\frac {3 b^{2} \ln \left ({\mathrm e}^{2 d x +2 c}+\frac {2 a \sqrt {a^{2}-a b}-b \sqrt {a^{2}-a b}+2 a^{2}-2 a b}{b \sqrt {a^{2}-a b}}\right )}{2 \sqrt {a^{2}-a b}\, \left (a -b \right )^{3} d}+\frac {b^{3} \ln \left ({\mathrm e}^{2 d x +2 c}+\frac {2 a \sqrt {a^{2}-a b}-b \sqrt {a^{2}-a b}+2 a^{2}-2 a b}{b \sqrt {a^{2}-a b}}\right )}{4 \sqrt {a^{2}-a b}\, \left (a -b \right )^{3} d a}\) | \(612\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: ValueError} \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. 3819 vs.
\(2 (130) = 260\).
time = 0.48, size = 7894, normalized size = 55.20 \begin {gather*} \text {too large to display} \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 {\operatorname {sech}^{4}{\left (c + d x \right )}}{\left (a + b \sinh ^{2}{\left (c + d x \right )}\right )^{2}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 270 vs.
\(2 (130) = 260\).
time = 0.73, size = 270, normalized size = 1.89 \begin {gather*} \frac {\frac {3 \, {\left (6 \, a b^{2} - b^{3}\right )} \arctan \left (\frac {b e^{\left (2 \, d x + 2 \, c\right )} + 2 \, a - b}{2 \, \sqrt {-a^{2} + a b}}\right )}{{\left (a^{4} - 3 \, a^{3} b + 3 \, a^{2} b^{2} - a b^{3}\right )} \sqrt {-a^{2} + a b}} + \frac {6 \, {\left (2 \, a b^{2} e^{\left (2 \, d x + 2 \, c\right )} - b^{3} e^{\left (2 \, d x + 2 \, c\right )} + b^{3}\right )}}{{\left (a^{4} - 3 \, a^{3} b + 3 \, a^{2} b^{2} - a b^{3}\right )} {\left (b e^{\left (4 \, d x + 4 \, c\right )} + 4 \, a e^{\left (2 \, d x + 2 \, c\right )} - 2 \, b e^{\left (2 \, d x + 2 \, c\right )} + b\right )}} + \frac {8 \, {\left (3 \, b e^{\left (4 \, d x + 4 \, c\right )} - 3 \, a e^{\left (2 \, d x + 2 \, c\right )} + 9 \, b e^{\left (2 \, d x + 2 \, c\right )} - a + 4 \, b\right )}}{{\left (a^{3} - 3 \, a^{2} b + 3 \, a b^{2} - b^{3}\right )} {\left (e^{\left (2 \, d x + 2 \, c\right )} + 1\right )}^{3}}}{6 \, d} \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 {1}{{\mathrm {cosh}\left (c+d\,x\right )}^4\,{\left (b\,{\mathrm {sinh}\left (c+d\,x\right )}^2+a\right )}^2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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