Optimal. Leaf size=159 \[ \frac {\text {ArcTan}(\sinh (c+d x))}{(a-b)^3 d}-\frac {\sqrt {b} \left (15 a^2-10 a b+3 b^2\right ) \text {ArcTan}\left (\frac {\sqrt {b} \sinh (c+d x)}{\sqrt {a}}\right )}{8 a^{5/2} (a-b)^3 d}-\frac {b \sinh (c+d x)}{4 a (a-b) d \left (a+b \sinh ^2(c+d x)\right )^2}-\frac {(7 a-3 b) b \sinh (c+d x)}{8 a^2 (a-b)^2 d \left (a+b \sinh ^2(c+d x)\right )} \]
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Rubi [A]
time = 0.12, antiderivative size = 159, normalized size of antiderivative = 1.00, number of steps
used = 6, number of rules used = 6, integrand size = 21, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {3269, 425, 541,
536, 209, 211} \begin {gather*} -\frac {b (7 a-3 b) \sinh (c+d x)}{8 a^2 d (a-b)^2 \left (a+b \sinh ^2(c+d x)\right )}-\frac {\sqrt {b} \left (15 a^2-10 a b+3 b^2\right ) \text {ArcTan}\left (\frac {\sqrt {b} \sinh (c+d x)}{\sqrt {a}}\right )}{8 a^{5/2} d (a-b)^3}+\frac {\text {ArcTan}(\sinh (c+d x))}{d (a-b)^3}-\frac {b \sinh (c+d x)}{4 a d (a-b) \left (a+b \sinh ^2(c+d x)\right )^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 209
Rule 211
Rule 425
Rule 536
Rule 541
Rule 3269
Rubi steps
\begin {align*} \int \frac {\text {sech}(c+d x)}{\left (a+b \sinh ^2(c+d x)\right )^3} \, dx &=\frac {\text {Subst}\left (\int \frac {1}{\left (1+x^2\right ) \left (a+b x^2\right )^3} \, dx,x,\sinh (c+d x)\right )}{d}\\ &=-\frac {b \sinh (c+d x)}{4 a (a-b) d \left (a+b \sinh ^2(c+d x)\right )^2}+\frac {\text {Subst}\left (\int \frac {4 a-3 b-3 b x^2}{\left (1+x^2\right ) \left (a+b x^2\right )^2} \, dx,x,\sinh (c+d x)\right )}{4 a (a-b) d}\\ &=-\frac {b \sinh (c+d x)}{4 a (a-b) d \left (a+b \sinh ^2(c+d x)\right )^2}-\frac {(7 a-3 b) b \sinh (c+d x)}{8 a^2 (a-b)^2 d \left (a+b \sinh ^2(c+d x)\right )}+\frac {\text {Subst}\left (\int \frac {8 a^2-7 a b+3 b^2-(7 a-3 b) b x^2}{\left (1+x^2\right ) \left (a+b x^2\right )} \, dx,x,\sinh (c+d x)\right )}{8 a^2 (a-b)^2 d}\\ &=-\frac {b \sinh (c+d x)}{4 a (a-b) d \left (a+b \sinh ^2(c+d x)\right )^2}-\frac {(7 a-3 b) b \sinh (c+d x)}{8 a^2 (a-b)^2 d \left (a+b \sinh ^2(c+d x)\right )}+\frac {\text {Subst}\left (\int \frac {1}{1+x^2} \, dx,x,\sinh (c+d x)\right )}{(a-b)^3 d}-\frac {\left (b \left (15 a^2-10 a b+3 b^2\right )\right ) \text {Subst}\left (\int \frac {1}{a+b x^2} \, dx,x,\sinh (c+d x)\right )}{8 a^2 (a-b)^3 d}\\ &=\frac {\tan ^{-1}(\sinh (c+d x))}{(a-b)^3 d}-\frac {\sqrt {b} \left (15 a^2-10 a b+3 b^2\right ) \tan ^{-1}\left (\frac {\sqrt {b} \sinh (c+d x)}{\sqrt {a}}\right )}{8 a^{5/2} (a-b)^3 d}-\frac {b \sinh (c+d x)}{4 a (a-b) d \left (a+b \sinh ^2(c+d x)\right )^2}-\frac {(7 a-3 b) b \sinh (c+d x)}{8 a^2 (a-b)^2 d \left (a+b \sinh ^2(c+d x)\right )}\\ \end {align*}
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Mathematica [B] Leaf count is larger than twice the leaf count of optimal. \(321\) vs. \(2(159)=318\).
time = 0.55, size = 321, normalized size = 2.02 \begin {gather*} \frac {(-2 a+b)^2 \left (\sqrt {b} \left (15 a^2-10 a b+3 b^2\right ) \text {ArcTan}\left (\frac {\sqrt {a} \text {csch}(c+d x)}{\sqrt {b}}\right )+16 a^{5/2} \text {ArcTan}\left (\tanh \left (\frac {1}{2} (c+d x)\right )\right )\right )+\left (b^{5/2} \left (15 a^2-10 a b+3 b^2\right ) \text {ArcTan}\left (\frac {\sqrt {a} \text {csch}(c+d x)}{\sqrt {b}}\right )+16 a^{5/2} b^2 \text {ArcTan}\left (\tanh \left (\frac {1}{2} (c+d x)\right )\right )\right ) \cosh ^2(2 (c+d x))-2 \sqrt {a} b \left (18 a^3-35 a^2 b+20 a b^2-3 b^3\right ) \sinh (c+d x)-2 b \cosh (2 (c+d x)) \left (-\left ((2 a-b) \left (\sqrt {b} \left (15 a^2-10 a b+3 b^2\right ) \text {ArcTan}\left (\frac {\sqrt {a} \text {csch}(c+d x)}{\sqrt {b}}\right )+16 a^{5/2} \text {ArcTan}\left (\tanh \left (\frac {1}{2} (c+d x)\right )\right )\right )\right )+\sqrt {a} b \left (7 a^2-10 a b+3 b^2\right ) \sinh (c+d x)\right )}{8 a^{5/2} (a-b)^3 d (2 a-b+b \cosh (2 (c+d x)))^2} \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. \(413\) vs.
\(2(145)=290\).
time = 1.92, size = 414, normalized size = 2.60
method | result | size |
derivativedivides | \(\frac {\frac {2 \arctan \left (\tanh \left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{\left (a -b \right )^{3}}-\frac {2 b \left (\frac {-\frac {\left (9 a^{2}-14 a b +5 b^{2}\right ) \left (\tanh ^{7}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{8 a}+\frac {\left (27 a^{3}-70 a^{2} b +55 a \,b^{2}-12 b^{3}\right ) \left (\tanh ^{5}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{8 a^{2}}-\frac {\left (27 a^{3}-70 a^{2} b +55 a \,b^{2}-12 b^{3}\right ) \left (\tanh ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{8 a^{2}}+\frac {\left (9 a^{2}-14 a b +5 b^{2}\right ) \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{8 a}}{\left (a \left (\tanh ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-2 a \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+4 b \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+a \right )^{2}}+\frac {\left (15 a^{2}-10 a b +3 b^{2}\right ) \left (\frac {\left (-a +\sqrt {-b \left (a -b \right )}+b \right ) \arctan \left (\frac {a \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{\sqrt {\left (2 \sqrt {-b \left (a -b \right )}-a +2 b \right ) a}}\right )}{2 a \sqrt {-b \left (a -b \right )}\, \sqrt {\left (2 \sqrt {-b \left (a -b \right )}-a +2 b \right ) a}}-\frac {\left (a +\sqrt {-b \left (a -b \right )}-b \right ) \arctanh \left (\frac {a \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{\sqrt {\left (2 \sqrt {-b \left (a -b \right )}+a -2 b \right ) a}}\right )}{2 a \sqrt {-b \left (a -b \right )}\, \sqrt {\left (2 \sqrt {-b \left (a -b \right )}+a -2 b \right ) a}}\right )}{8 a}\right )}{\left (a -b \right )^{3}}}{d}\) | \(414\) |
default | \(\frac {\frac {2 \arctan \left (\tanh \left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{\left (a -b \right )^{3}}-\frac {2 b \left (\frac {-\frac {\left (9 a^{2}-14 a b +5 b^{2}\right ) \left (\tanh ^{7}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{8 a}+\frac {\left (27 a^{3}-70 a^{2} b +55 a \,b^{2}-12 b^{3}\right ) \left (\tanh ^{5}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{8 a^{2}}-\frac {\left (27 a^{3}-70 a^{2} b +55 a \,b^{2}-12 b^{3}\right ) \left (\tanh ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{8 a^{2}}+\frac {\left (9 a^{2}-14 a b +5 b^{2}\right ) \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{8 a}}{\left (a \left (\tanh ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-2 a \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+4 b \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+a \right )^{2}}+\frac {\left (15 a^{2}-10 a b +3 b^{2}\right ) \left (\frac {\left (-a +\sqrt {-b \left (a -b \right )}+b \right ) \arctan \left (\frac {a \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{\sqrt {\left (2 \sqrt {-b \left (a -b \right )}-a +2 b \right ) a}}\right )}{2 a \sqrt {-b \left (a -b \right )}\, \sqrt {\left (2 \sqrt {-b \left (a -b \right )}-a +2 b \right ) a}}-\frac {\left (a +\sqrt {-b \left (a -b \right )}-b \right ) \arctanh \left (\frac {a \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{\sqrt {\left (2 \sqrt {-b \left (a -b \right )}+a -2 b \right ) a}}\right )}{2 a \sqrt {-b \left (a -b \right )}\, \sqrt {\left (2 \sqrt {-b \left (a -b \right )}+a -2 b \right ) a}}\right )}{8 a}\right )}{\left (a -b \right )^{3}}}{d}\) | \(414\) |
risch | \(-\frac {{\mathrm e}^{d x +c} b \left (7 a b \,{\mathrm e}^{6 d x +6 c}-3 b^{2} {\mathrm e}^{6 d x +6 c}+36 a^{2} {\mathrm e}^{4 d x +4 c}-41 a b \,{\mathrm e}^{4 d x +4 c}+9 b^{2} {\mathrm e}^{4 d x +4 c}-36 a^{2} {\mathrm e}^{2 d x +2 c}+41 a b \,{\mathrm e}^{2 d x +2 c}-9 b^{2} {\mathrm e}^{2 d x +2 c}-7 a b +3 b^{2}\right )}{4 \left (a -b \right )^{2} a^{2} d \left (b \,{\mathrm e}^{4 d x +4 c}+4 a \,{\mathrm e}^{2 d x +2 c}-2 b \,{\mathrm e}^{2 d x +2 c}+b \right )^{2}}+\frac {i \ln \left ({\mathrm e}^{d x +c}+i\right )}{\left (a -b \right )^{3} d}-\frac {i \ln \left ({\mathrm e}^{d x +c}-i\right )}{\left (a -b \right )^{3} d}+\frac {15 \sqrt {-a b}\, \ln \left ({\mathrm e}^{2 d x +2 c}-\frac {2 \sqrt {-a b}\, {\mathrm e}^{d x +c}}{b}-1\right )}{16 a \left (a -b \right )^{3} d}-\frac {5 \sqrt {-a b}\, \ln \left ({\mathrm e}^{2 d x +2 c}-\frac {2 \sqrt {-a b}\, {\mathrm e}^{d x +c}}{b}-1\right ) b}{8 a^{2} \left (a -b \right )^{3} d}+\frac {3 \sqrt {-a b}\, \ln \left ({\mathrm e}^{2 d x +2 c}-\frac {2 \sqrt {-a b}\, {\mathrm e}^{d x +c}}{b}-1\right ) b^{2}}{16 a^{3} \left (a -b \right )^{3} d}-\frac {15 \sqrt {-a b}\, \ln \left ({\mathrm e}^{2 d x +2 c}+\frac {2 \sqrt {-a b}\, {\mathrm e}^{d x +c}}{b}-1\right )}{16 a \left (a -b \right )^{3} d}+\frac {5 \sqrt {-a b}\, \ln \left ({\mathrm e}^{2 d x +2 c}+\frac {2 \sqrt {-a b}\, {\mathrm e}^{d x +c}}{b}-1\right ) b}{8 a^{2} \left (a -b \right )^{3} d}-\frac {3 \sqrt {-a b}\, \ln \left ({\mathrm e}^{2 d x +2 c}+\frac {2 \sqrt {-a b}\, {\mathrm e}^{d x +c}}{b}-1\right ) b^{2}}{16 a^{3} \left (a -b \right )^{3} d}\) | \(536\) |
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 [B] Leaf count of result is larger than twice the leaf count of optimal. 4384 vs.
\(2 (145) = 290\).
time = 0.49, size = 8083, normalized size = 50.84 \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(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: TypeError} \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 )\,{\left (b\,{\mathrm {sinh}\left (c+d\,x\right )}^2+a\right )}^3} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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