Optimal. Leaf size=89 \[ -\frac {8 a \tanh ^{-1}\left (\frac {b-2 a \tanh (c+d x)}{\sqrt {4 a^2+b^2}}\right )}{\left (4 a^2+b^2\right )^{3/2} d}-\frac {2 b \cosh (2 c+2 d x)}{\left (4 a^2+b^2\right ) d (2 a+b \sinh (2 c+2 d x))} \]
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Rubi [A]
time = 0.07, antiderivative size = 89, normalized size of antiderivative = 1.00, number of steps
used = 6, number of rules used = 6, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {2745, 2743, 12,
2739, 632, 210} \begin {gather*} -\frac {8 a \tanh ^{-1}\left (\frac {b-2 a \tanh (c+d x)}{\sqrt {4 a^2+b^2}}\right )}{d \left (4 a^2+b^2\right )^{3/2}}-\frac {2 b \cosh (2 c+2 d x)}{d \left (4 a^2+b^2\right ) (2 a+b \sinh (2 c+2 d x))} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 210
Rule 632
Rule 2739
Rule 2743
Rule 2745
Rubi steps
\begin {align*} \int \frac {1}{(a+b \cosh (c+d x) \sinh (c+d x))^2} \, dx &=\int \frac {1}{\left (a+\frac {1}{2} b \sinh (2 c+2 d x)\right )^2} \, dx\\ &=-\frac {2 b \cosh (2 c+2 d x)}{\left (4 a^2+b^2\right ) d (2 a+b \sinh (2 c+2 d x))}+\frac {4 \int \frac {a}{a+\frac {1}{2} b \sinh (2 c+2 d x)} \, dx}{4 a^2+b^2}\\ &=-\frac {2 b \cosh (2 c+2 d x)}{\left (4 a^2+b^2\right ) d (2 a+b \sinh (2 c+2 d x))}+\frac {(4 a) \int \frac {1}{a+\frac {1}{2} b \sinh (2 c+2 d x)} \, dx}{4 a^2+b^2}\\ &=-\frac {2 b \cosh (2 c+2 d x)}{\left (4 a^2+b^2\right ) d (2 a+b \sinh (2 c+2 d x))}-\frac {(4 i a) \text {Subst}\left (\int \frac {1}{a-i b x+a x^2} \, dx,x,\tan \left (\frac {1}{2} (2 i c+2 i d x)\right )\right )}{\left (4 a^2+b^2\right ) d}\\ &=-\frac {2 b \cosh (2 c+2 d x)}{\left (4 a^2+b^2\right ) d (2 a+b \sinh (2 c+2 d x))}+\frac {(8 i a) \text {Subst}\left (\int \frac {1}{-4 a^2-b^2-x^2} \, dx,x,-i b+2 a \tan \left (\frac {1}{2} (2 i c+2 i d x)\right )\right )}{\left (4 a^2+b^2\right ) d}\\ &=-\frac {8 a \tanh ^{-1}\left (\frac {b-2 a \tanh (c+d x)}{\sqrt {4 a^2+b^2}}\right )}{\left (4 a^2+b^2\right )^{3/2} d}-\frac {2 b \cosh (2 c+2 d x)}{\left (4 a^2+b^2\right ) d (2 a+b \sinh (2 c+2 d x))}\\ \end {align*}
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Mathematica [A]
time = 0.24, size = 90, normalized size = 1.01 \begin {gather*} \frac {2 \left (-\frac {4 a \text {ArcTan}\left (\frac {b-2 a \tanh (c+d x)}{\sqrt {-4 a^2-b^2}}\right )}{\left (-4 a^2-b^2\right )^{3/2}}-\frac {b \cosh (2 (c+d x))}{\left (4 a^2+b^2\right ) (2 a+b \sinh (2 (c+d x)))}\right )}{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. \(308\) vs.
\(2(85)=170\).
time = 5.96, size = 309, normalized size = 3.47
method | result | size |
risch | \(\frac {8 a \,{\mathrm e}^{2 d x +2 c}-4 b}{\left (4 a^{2}+b^{2}\right ) d \left (b \,{\mathrm e}^{4 d x +4 c}+4 a \,{\mathrm e}^{2 d x +2 c}-b \right )}+\frac {4 a \ln \left ({\mathrm e}^{2 d x +2 c}+\frac {2 \left (4 a^{2}+b^{2}\right )^{\frac {3}{2}} a -16 a^{4}-8 a^{2} b^{2}-b^{4}}{b \left (4 a^{2}+b^{2}\right )^{\frac {3}{2}}}\right )}{\left (4 a^{2}+b^{2}\right )^{\frac {3}{2}} d}-\frac {4 a \ln \left ({\mathrm e}^{2 d x +2 c}+\frac {2 \left (4 a^{2}+b^{2}\right )^{\frac {3}{2}} a +16 a^{4}+8 a^{2} b^{2}+b^{4}}{b \left (4 a^{2}+b^{2}\right )^{\frac {3}{2}}}\right )}{\left (4 a^{2}+b^{2}\right )^{\frac {3}{2}} d}\) | \(213\) |
derivativedivides | \(\frac {-\frac {2 \left (-\frac {b^{2} \left (\tanh ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{a \left (4 a^{2}+b^{2}\right )}+\frac {4 b \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{4 a^{2}+b^{2}}-\frac {b^{2} \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{a \left (4 a^{2}+b^{2}\right )}\right )}{a \left (\tanh ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+2 b \left (\tanh ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-2 a \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+2 b \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )+a}-\frac {8 a^{2} \left (\frac {\ln \left (-a \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\sqrt {4 a^{2}+b^{2}}\, \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )-b \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )-a \right )}{2 \sqrt {4 a^{2}+b^{2}}\, a}+\frac {\left (-4 a^{2}-b^{2}\right ) \ln \left (a \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\sqrt {4 a^{2}+b^{2}}\, \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )+b \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )+a \right )}{2 \left (4 a^{2}+b^{2}\right )^{\frac {3}{2}} a}\right )}{4 a^{2}+b^{2}}}{d}\) | \(309\) |
default | \(\frac {-\frac {2 \left (-\frac {b^{2} \left (\tanh ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{a \left (4 a^{2}+b^{2}\right )}+\frac {4 b \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{4 a^{2}+b^{2}}-\frac {b^{2} \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )}{a \left (4 a^{2}+b^{2}\right )}\right )}{a \left (\tanh ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+2 b \left (\tanh ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-2 a \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+2 b \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )+a}-\frac {8 a^{2} \left (\frac {\ln \left (-a \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\sqrt {4 a^{2}+b^{2}}\, \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )-b \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )-a \right )}{2 \sqrt {4 a^{2}+b^{2}}\, a}+\frac {\left (-4 a^{2}-b^{2}\right ) \ln \left (a \left (\tanh ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\sqrt {4 a^{2}+b^{2}}\, \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )+b \tanh \left (\frac {d x}{2}+\frac {c}{2}\right )+a \right )}{2 \left (4 a^{2}+b^{2}\right )^{\frac {3}{2}} a}\right )}{4 a^{2}+b^{2}}}{d}\) | \(309\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.49, size = 150, normalized size = 1.69 \begin {gather*} \frac {4 \, a \log \left (\frac {b e^{\left (-2 \, d x - 2 \, c\right )} - 2 \, a - \sqrt {4 \, a^{2} + b^{2}}}{b e^{\left (-2 \, d x - 2 \, c\right )} - 2 \, a + \sqrt {4 \, a^{2} + b^{2}}}\right )}{{\left (4 \, a^{2} + b^{2}\right )}^{\frac {3}{2}} d} - \frac {4 \, {\left (2 \, a e^{\left (-2 \, d x - 2 \, c\right )} + b\right )}}{{\left (4 \, a^{2} b + b^{3} + 4 \, {\left (4 \, a^{3} + a b^{2}\right )} e^{\left (-2 \, d x - 2 \, c\right )} - {\left (4 \, a^{2} b + b^{3}\right )} e^{\left (-4 \, d x - 4 \, c\right )}\right )} d} \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. 765 vs.
\(2 (88) = 176\).
time = 0.34, size = 765, normalized size = 8.60 \begin {gather*} -\frac {4 \, {\left (4 \, a^{2} b + b^{3} - 2 \, {\left (4 \, a^{3} + a b^{2}\right )} \cosh \left (d x + c\right )^{2} - 4 \, {\left (4 \, a^{3} + a b^{2}\right )} \cosh \left (d x + c\right ) \sinh \left (d x + c\right ) - 2 \, {\left (4 \, a^{3} + a b^{2}\right )} \sinh \left (d x + c\right )^{2} - {\left (a b \cosh \left (d x + c\right )^{4} + 4 \, a b \cosh \left (d x + c\right ) \sinh \left (d x + c\right )^{3} + a b \sinh \left (d x + c\right )^{4} + 4 \, a^{2} \cosh \left (d x + c\right )^{2} + 2 \, {\left (3 \, a b \cosh \left (d x + c\right )^{2} + 2 \, a^{2}\right )} \sinh \left (d x + c\right )^{2} - a b + 4 \, {\left (a b \cosh \left (d x + c\right )^{3} + 2 \, a^{2} \cosh \left (d x + c\right )\right )} \sinh \left (d x + c\right )\right )} \sqrt {4 \, a^{2} + b^{2}} \log \left (\frac {b^{2} \cosh \left (d x + c\right )^{4} + 4 \, b^{2} \cosh \left (d x + c\right ) \sinh \left (d x + c\right )^{3} + b^{2} \sinh \left (d x + c\right )^{4} + 4 \, a b \cosh \left (d x + c\right )^{2} + 2 \, {\left (3 \, b^{2} \cosh \left (d x + c\right )^{2} + 2 \, a b\right )} \sinh \left (d x + c\right )^{2} + 8 \, a^{2} + b^{2} + 4 \, {\left (b^{2} \cosh \left (d x + c\right )^{3} + 2 \, a b \cosh \left (d x + c\right )\right )} \sinh \left (d x + c\right ) - 2 \, {\left (b \cosh \left (d x + c\right )^{2} + 2 \, b \cosh \left (d x + c\right ) \sinh \left (d x + c\right ) + b \sinh \left (d x + c\right )^{2} + 2 \, a\right )} \sqrt {4 \, a^{2} + b^{2}}}{b \cosh \left (d x + c\right )^{4} + 4 \, b \cosh \left (d x + c\right ) \sinh \left (d x + c\right )^{3} + b \sinh \left (d x + c\right )^{4} + 4 \, a \cosh \left (d x + c\right )^{2} + 2 \, {\left (3 \, b \cosh \left (d x + c\right )^{2} + 2 \, a\right )} \sinh \left (d x + c\right )^{2} + 4 \, {\left (b \cosh \left (d x + c\right )^{3} + 2 \, a \cosh \left (d x + c\right )\right )} \sinh \left (d x + c\right ) - b}\right )\right )}}{{\left (16 \, a^{4} b + 8 \, a^{2} b^{3} + b^{5}\right )} d \cosh \left (d x + c\right )^{4} + 4 \, {\left (16 \, a^{4} b + 8 \, a^{2} b^{3} + b^{5}\right )} d \cosh \left (d x + c\right ) \sinh \left (d x + c\right )^{3} + {\left (16 \, a^{4} b + 8 \, a^{2} b^{3} + b^{5}\right )} d \sinh \left (d x + c\right )^{4} + 4 \, {\left (16 \, a^{5} + 8 \, a^{3} b^{2} + a b^{4}\right )} d \cosh \left (d x + c\right )^{2} + 2 \, {\left (3 \, {\left (16 \, a^{4} b + 8 \, a^{2} b^{3} + b^{5}\right )} d \cosh \left (d x + c\right )^{2} + 2 \, {\left (16 \, a^{5} + 8 \, a^{3} b^{2} + a b^{4}\right )} d\right )} \sinh \left (d x + c\right )^{2} - {\left (16 \, a^{4} b + 8 \, a^{2} b^{3} + b^{5}\right )} d + 4 \, {\left ({\left (16 \, a^{4} b + 8 \, a^{2} b^{3} + b^{5}\right )} d \cosh \left (d x + c\right )^{3} + 2 \, {\left (16 \, a^{5} + 8 \, a^{3} b^{2} + a b^{4}\right )} d \cosh \left (d x + c\right )\right )} \sinh \left (d x + c\right )} \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 [A]
time = 0.55, size = 140, normalized size = 1.57 \begin {gather*} \frac {4 \, {\left (\frac {a \log \left (\frac {{\left | 2 \, b e^{\left (2 \, d x + 2 \, c\right )} + 4 \, a - 2 \, \sqrt {4 \, a^{2} + b^{2}} \right |}}{{\left | 2 \, b e^{\left (2 \, d x + 2 \, c\right )} + 4 \, a + 2 \, \sqrt {4 \, a^{2} + b^{2}} \right |}}\right )}{{\left (4 \, a^{2} + b^{2}\right )}^{\frac {3}{2}}} + \frac {2 \, a e^{\left (2 \, d x + 2 \, c\right )} - b}{{\left (4 \, a^{2} + b^{2}\right )} {\left (b e^{\left (4 \, d x + 4 \, c\right )} + 4 \, a e^{\left (2 \, d x + 2 \, c\right )} - b\right )}}\right )}}{d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 2.11, size = 229, normalized size = 2.57 \begin {gather*} \frac {4\,a\,\ln \left (\frac {16\,a\,\left (b-2\,a\,{\mathrm {e}}^{2\,c+2\,d\,x}\right )}{b\,{\left (4\,a^2+b^2\right )}^{3/2}}-\frac {16\,a\,{\mathrm {e}}^{2\,c+2\,d\,x}}{4\,a^2\,b+b^3}\right )}{d\,{\left (4\,a^2+b^2\right )}^{3/2}}-\frac {4\,a\,\ln \left (-\frac {16\,a\,{\mathrm {e}}^{2\,c+2\,d\,x}}{4\,a^2\,b+b^3}-\frac {16\,a\,\left (b-2\,a\,{\mathrm {e}}^{2\,c+2\,d\,x}\right )}{b\,{\left (4\,a^2+b^2\right )}^{3/2}}\right )}{d\,{\left (4\,a^2+b^2\right )}^{3/2}}-\frac {\frac {4\,b^2}{d\,\left (4\,a^2\,b+b^3\right )}-\frac {8\,a\,b\,{\mathrm {e}}^{2\,c+2\,d\,x}}{d\,\left (4\,a^2\,b+b^3\right )}}{4\,a\,{\mathrm {e}}^{2\,c+2\,d\,x}-b+b\,{\mathrm {e}}^{4\,c+4\,d\,x}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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