Integrand size = 23, antiderivative size = 83 \[ \int \tanh ^4(c+d x) \left (a+b \tanh ^2(c+d x)\right )^2 \, dx=(a+b)^2 x-\frac {(a+b)^2 \tanh (c+d x)}{d}-\frac {(a+b)^2 \tanh ^3(c+d x)}{3 d}-\frac {b (2 a+b) \tanh ^5(c+d x)}{5 d}-\frac {b^2 \tanh ^7(c+d x)}{7 d} \]
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Time = 0.06 (sec) , antiderivative size = 83, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.130, Rules used = {3751, 472, 212} \[ \int \tanh ^4(c+d x) \left (a+b \tanh ^2(c+d x)\right )^2 \, dx=-\frac {b (2 a+b) \tanh ^5(c+d x)}{5 d}-\frac {(a+b)^2 \tanh ^3(c+d x)}{3 d}-\frac {(a+b)^2 \tanh (c+d x)}{d}+x (a+b)^2-\frac {b^2 \tanh ^7(c+d x)}{7 d} \]
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Rule 212
Rule 472
Rule 3751
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {x^4 \left (a+b x^2\right )^2}{1-x^2} \, dx,x,\tanh (c+d x)\right )}{d} \\ & = \frac {\text {Subst}\left (\int \left (-(a+b)^2-(a+b)^2 x^2-b (2 a+b) x^4-b^2 x^6+\frac {a^2+2 a b+b^2}{1-x^2}\right ) \, dx,x,\tanh (c+d x)\right )}{d} \\ & = -\frac {(a+b)^2 \tanh (c+d x)}{d}-\frac {(a+b)^2 \tanh ^3(c+d x)}{3 d}-\frac {b (2 a+b) \tanh ^5(c+d x)}{5 d}-\frac {b^2 \tanh ^7(c+d x)}{7 d}+\frac {(a+b)^2 \text {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\tanh (c+d x)\right )}{d} \\ & = (a+b)^2 x-\frac {(a+b)^2 \tanh (c+d x)}{d}-\frac {(a+b)^2 \tanh ^3(c+d x)}{3 d}-\frac {b (2 a+b) \tanh ^5(c+d x)}{5 d}-\frac {b^2 \tanh ^7(c+d x)}{7 d} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(190\) vs. \(2(83)=166\).
Time = 0.10 (sec) , antiderivative size = 190, normalized size of antiderivative = 2.29 \[ \int \tanh ^4(c+d x) \left (a+b \tanh ^2(c+d x)\right )^2 \, dx=\frac {a^2 \text {arctanh}(\tanh (c+d x))}{d}+\frac {2 a b \text {arctanh}(\tanh (c+d x))}{d}+\frac {b^2 \text {arctanh}(\tanh (c+d x))}{d}-\frac {a^2 \tanh (c+d x)}{d}-\frac {2 a b \tanh (c+d x)}{d}-\frac {b^2 \tanh (c+d x)}{d}-\frac {a^2 \tanh ^3(c+d x)}{3 d}-\frac {2 a b \tanh ^3(c+d x)}{3 d}-\frac {b^2 \tanh ^3(c+d x)}{3 d}-\frac {2 a b \tanh ^5(c+d x)}{5 d}-\frac {b^2 \tanh ^5(c+d x)}{5 d}-\frac {b^2 \tanh ^7(c+d x)}{7 d} \]
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Time = 0.12 (sec) , antiderivative size = 135, normalized size of antiderivative = 1.63
method | result | size |
parallelrisch | \(-\frac {15 \tanh \left (d x +c \right )^{7} b^{2}+42 \tanh \left (d x +c \right )^{5} a b +21 \tanh \left (d x +c \right )^{5} b^{2}+35 \tanh \left (d x +c \right )^{3} a^{2}+70 \tanh \left (d x +c \right )^{3} a b +35 b^{2} \tanh \left (d x +c \right )^{3}-105 a^{2} d x -210 a b d x -105 b^{2} d x +105 a^{2} \tanh \left (d x +c \right )+210 a b \tanh \left (d x +c \right )+105 b^{2} \tanh \left (d x +c \right )}{105 d}\) | \(135\) |
derivativedivides | \(\frac {-2 a b \tanh \left (d x +c \right )-\frac {2 \tanh \left (d x +c \right )^{5} a b}{5}-\frac {2 \tanh \left (d x +c \right )^{3} a b}{3}-\frac {\left (a^{2}+2 a b +b^{2}\right ) \ln \left (\tanh \left (d x +c \right )-1\right )}{2}-\frac {\tanh \left (d x +c \right )^{5} b^{2}}{5}-\frac {\tanh \left (d x +c \right )^{3} a^{2}}{3}-\frac {b^{2} \tanh \left (d x +c \right )^{3}}{3}-b^{2} \tanh \left (d x +c \right )-a^{2} \tanh \left (d x +c \right )-\frac {\tanh \left (d x +c \right )^{7} b^{2}}{7}+\frac {\left (a^{2}+2 a b +b^{2}\right ) \ln \left (\tanh \left (d x +c \right )+1\right )}{2}}{d}\) | \(158\) |
default | \(\frac {-2 a b \tanh \left (d x +c \right )-\frac {2 \tanh \left (d x +c \right )^{5} a b}{5}-\frac {2 \tanh \left (d x +c \right )^{3} a b}{3}-\frac {\left (a^{2}+2 a b +b^{2}\right ) \ln \left (\tanh \left (d x +c \right )-1\right )}{2}-\frac {\tanh \left (d x +c \right )^{5} b^{2}}{5}-\frac {\tanh \left (d x +c \right )^{3} a^{2}}{3}-\frac {b^{2} \tanh \left (d x +c \right )^{3}}{3}-b^{2} \tanh \left (d x +c \right )-a^{2} \tanh \left (d x +c \right )-\frac {\tanh \left (d x +c \right )^{7} b^{2}}{7}+\frac {\left (a^{2}+2 a b +b^{2}\right ) \ln \left (\tanh \left (d x +c \right )+1\right )}{2}}{d}\) | \(158\) |
parts | \(\frac {b^{2} \left (-\frac {\tanh \left (d x +c \right )^{7}}{7}-\frac {\tanh \left (d x +c \right )^{5}}{5}-\frac {\tanh \left (d x +c \right )^{3}}{3}-\tanh \left (d x +c \right )-\frac {\ln \left (\tanh \left (d x +c \right )-1\right )}{2}+\frac {\ln \left (\tanh \left (d x +c \right )+1\right )}{2}\right )}{d}+\frac {a^{2} \left (-\frac {\tanh \left (d x +c \right )^{3}}{3}-\tanh \left (d x +c \right )-\frac {\ln \left (\tanh \left (d x +c \right )-1\right )}{2}+\frac {\ln \left (\tanh \left (d x +c \right )+1\right )}{2}\right )}{d}+\frac {2 a b \left (-\frac {\tanh \left (d x +c \right )^{5}}{5}-\frac {\tanh \left (d x +c \right )^{3}}{3}-\tanh \left (d x +c \right )-\frac {\ln \left (\tanh \left (d x +c \right )-1\right )}{2}+\frac {\ln \left (\tanh \left (d x +c \right )+1\right )}{2}\right )}{d}\) | \(176\) |
risch | \(a^{2} x +2 a b x +b^{2} x +\frac {4 a^{2} {\mathrm e}^{12 d x +12 c}+12 a b \,{\mathrm e}^{12 d x +12 c}+8 b^{2} {\mathrm e}^{12 d x +12 c}+20 a^{2} {\mathrm e}^{10 d x +10 c}+48 a b \,{\mathrm e}^{10 d x +10 c}+24 b^{2} {\mathrm e}^{10 d x +10 c}+\frac {128 a^{2} {\mathrm e}^{8 d x +8 c}}{3}+\frac {292 a b \,{\mathrm e}^{8 d x +8 c}}{3}+\frac {176 b^{2} {\mathrm e}^{8 d x +8 c}}{3}+\frac {152 a^{2} {\mathrm e}^{6 d x +6 c}}{3}+\frac {352 a b \,{\mathrm e}^{6 d x +6 c}}{3}+\frac {176 b^{2} {\mathrm e}^{6 d x +6 c}}{3}+36 a^{2} {\mathrm e}^{4 d x +4 c}+\frac {404 a b \,{\mathrm e}^{4 d x +4 c}}{5}+\frac {232 \,{\mathrm e}^{4 d x +4 c} b^{2}}{5}+\frac {44 a^{2} {\mathrm e}^{2 d x +2 c}}{3}+\frac {464 a b \,{\mathrm e}^{2 d x +2 c}}{15}+\frac {232 \,{\mathrm e}^{2 d x +2 c} b^{2}}{15}+\frac {8 a^{2}}{3}+\frac {92 a b}{15}+\frac {352 b^{2}}{105}}{d \left ({\mathrm e}^{2 d x +2 c}+1\right )^{7}}\) | \(296\) |
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Leaf count of result is larger than twice the leaf count of optimal. 796 vs. \(2 (77) = 154\).
Time = 0.26 (sec) , antiderivative size = 796, normalized size of antiderivative = 9.59 \[ \int \tanh ^4(c+d x) \left (a+b \tanh ^2(c+d x)\right )^2 \, dx=\frac {{\left (105 \, {\left (a^{2} + 2 \, a b + b^{2}\right )} d x + 140 \, a^{2} + 322 \, a b + 176 \, b^{2}\right )} \cosh \left (d x + c\right )^{7} + 7 \, {\left (105 \, {\left (a^{2} + 2 \, a b + b^{2}\right )} d x + 140 \, a^{2} + 322 \, a b + 176 \, b^{2}\right )} \cosh \left (d x + c\right ) \sinh \left (d x + c\right )^{6} - 2 \, {\left (70 \, a^{2} + 161 \, a b + 88 \, b^{2}\right )} \sinh \left (d x + c\right )^{7} + 7 \, {\left (105 \, {\left (a^{2} + 2 \, a b + b^{2}\right )} d x + 140 \, a^{2} + 322 \, a b + 176 \, b^{2}\right )} \cosh \left (d x + c\right )^{5} - 14 \, {\left (3 \, {\left (70 \, a^{2} + 161 \, a b + 88 \, b^{2}\right )} \cosh \left (d x + c\right )^{2} + 40 \, a^{2} + 71 \, a b + 28 \, b^{2}\right )} \sinh \left (d x + c\right )^{5} + 35 \, {\left ({\left (105 \, {\left (a^{2} + 2 \, a b + b^{2}\right )} d x + 140 \, a^{2} + 322 \, a b + 176 \, b^{2}\right )} \cosh \left (d x + c\right )^{3} + {\left (105 \, {\left (a^{2} + 2 \, a b + b^{2}\right )} d x + 140 \, a^{2} + 322 \, a b + 176 \, b^{2}\right )} \cosh \left (d x + c\right )\right )} \sinh \left (d x + c\right )^{4} + 21 \, {\left (105 \, {\left (a^{2} + 2 \, a b + b^{2}\right )} d x + 140 \, a^{2} + 322 \, a b + 176 \, b^{2}\right )} \cosh \left (d x + c\right )^{3} - 14 \, {\left (5 \, {\left (70 \, a^{2} + 161 \, a b + 88 \, b^{2}\right )} \cosh \left (d x + c\right )^{4} + 10 \, {\left (40 \, a^{2} + 71 \, a b + 28 \, b^{2}\right )} \cosh \left (d x + c\right )^{2} + 60 \, a^{2} + 123 \, a b + 84 \, b^{2}\right )} \sinh \left (d x + c\right )^{3} + 7 \, {\left (3 \, {\left (105 \, {\left (a^{2} + 2 \, a b + b^{2}\right )} d x + 140 \, a^{2} + 322 \, a b + 176 \, b^{2}\right )} \cosh \left (d x + c\right )^{5} + 10 \, {\left (105 \, {\left (a^{2} + 2 \, a b + b^{2}\right )} d x + 140 \, a^{2} + 322 \, a b + 176 \, b^{2}\right )} \cosh \left (d x + c\right )^{3} + 9 \, {\left (105 \, {\left (a^{2} + 2 \, a b + b^{2}\right )} d x + 140 \, a^{2} + 322 \, a b + 176 \, b^{2}\right )} \cosh \left (d x + c\right )\right )} \sinh \left (d x + c\right )^{2} + 35 \, {\left (105 \, {\left (a^{2} + 2 \, a b + b^{2}\right )} d x + 140 \, a^{2} + 322 \, a b + 176 \, b^{2}\right )} \cosh \left (d x + c\right ) - 14 \, {\left ({\left (70 \, a^{2} + 161 \, a b + 88 \, b^{2}\right )} \cosh \left (d x + c\right )^{6} + 5 \, {\left (40 \, a^{2} + 71 \, a b + 28 \, b^{2}\right )} \cosh \left (d x + c\right )^{4} + 9 \, {\left (20 \, a^{2} + 41 \, a b + 28 \, b^{2}\right )} \cosh \left (d x + c\right )^{2} + 30 \, a^{2} + 75 \, a b\right )} \sinh \left (d x + c\right )}{105 \, {\left (d \cosh \left (d x + c\right )^{7} + 7 \, d \cosh \left (d x + c\right ) \sinh \left (d x + c\right )^{6} + 7 \, d \cosh \left (d x + c\right )^{5} + 35 \, {\left (d \cosh \left (d x + c\right )^{3} + d \cosh \left (d x + c\right )\right )} \sinh \left (d x + c\right )^{4} + 21 \, d \cosh \left (d x + c\right )^{3} + 7 \, {\left (3 \, d \cosh \left (d x + c\right )^{5} + 10 \, d \cosh \left (d x + c\right )^{3} + 9 \, d \cosh \left (d x + c\right )\right )} \sinh \left (d x + c\right )^{2} + 35 \, d \cosh \left (d x + c\right )\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 165 vs. \(2 (70) = 140\).
Time = 0.21 (sec) , antiderivative size = 165, normalized size of antiderivative = 1.99 \[ \int \tanh ^4(c+d x) \left (a+b \tanh ^2(c+d x)\right )^2 \, dx=\begin {cases} a^{2} x - \frac {a^{2} \tanh ^{3}{\left (c + d x \right )}}{3 d} - \frac {a^{2} \tanh {\left (c + d x \right )}}{d} + 2 a b x - \frac {2 a b \tanh ^{5}{\left (c + d x \right )}}{5 d} - \frac {2 a b \tanh ^{3}{\left (c + d x \right )}}{3 d} - \frac {2 a b \tanh {\left (c + d x \right )}}{d} + b^{2} x - \frac {b^{2} \tanh ^{7}{\left (c + d x \right )}}{7 d} - \frac {b^{2} \tanh ^{5}{\left (c + d x \right )}}{5 d} - \frac {b^{2} \tanh ^{3}{\left (c + d x \right )}}{3 d} - \frac {b^{2} \tanh {\left (c + d x \right )}}{d} & \text {for}\: d \neq 0 \\x \left (a + b \tanh ^{2}{\left (c \right )}\right )^{2} \tanh ^{4}{\left (c \right )} & \text {otherwise} \end {cases} \]
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Leaf count of result is larger than twice the leaf count of optimal. 369 vs. \(2 (77) = 154\).
Time = 0.21 (sec) , antiderivative size = 369, normalized size of antiderivative = 4.45 \[ \int \tanh ^4(c+d x) \left (a+b \tanh ^2(c+d x)\right )^2 \, dx=\frac {1}{105} \, b^{2} {\left (105 \, x + \frac {105 \, c}{d} - \frac {8 \, {\left (203 \, e^{\left (-2 \, d x - 2 \, c\right )} + 609 \, e^{\left (-4 \, d x - 4 \, c\right )} + 770 \, e^{\left (-6 \, d x - 6 \, c\right )} + 770 \, e^{\left (-8 \, d x - 8 \, c\right )} + 315 \, e^{\left (-10 \, d x - 10 \, c\right )} + 105 \, e^{\left (-12 \, d x - 12 \, c\right )} + 44\right )}}{d {\left (7 \, e^{\left (-2 \, d x - 2 \, c\right )} + 21 \, e^{\left (-4 \, d x - 4 \, c\right )} + 35 \, e^{\left (-6 \, d x - 6 \, c\right )} + 35 \, e^{\left (-8 \, d x - 8 \, c\right )} + 21 \, e^{\left (-10 \, d x - 10 \, c\right )} + 7 \, e^{\left (-12 \, d x - 12 \, c\right )} + e^{\left (-14 \, d x - 14 \, c\right )} + 1\right )}}\right )} + \frac {2}{15} \, a b {\left (15 \, x + \frac {15 \, c}{d} - \frac {2 \, {\left (70 \, e^{\left (-2 \, d x - 2 \, c\right )} + 140 \, e^{\left (-4 \, d x - 4 \, c\right )} + 90 \, e^{\left (-6 \, d x - 6 \, c\right )} + 45 \, e^{\left (-8 \, d x - 8 \, c\right )} + 23\right )}}{d {\left (5 \, e^{\left (-2 \, d x - 2 \, c\right )} + 10 \, e^{\left (-4 \, d x - 4 \, c\right )} + 10 \, e^{\left (-6 \, d x - 6 \, c\right )} + 5 \, e^{\left (-8 \, d x - 8 \, c\right )} + e^{\left (-10 \, d x - 10 \, c\right )} + 1\right )}}\right )} + \frac {1}{3} \, a^{2} {\left (3 \, x + \frac {3 \, c}{d} - \frac {4 \, {\left (3 \, e^{\left (-2 \, d x - 2 \, c\right )} + 3 \, e^{\left (-4 \, d x - 4 \, c\right )} + 2\right )}}{d {\left (3 \, e^{\left (-2 \, d x - 2 \, c\right )} + 3 \, e^{\left (-4 \, d x - 4 \, c\right )} + e^{\left (-6 \, d x - 6 \, c\right )} + 1\right )}}\right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 300 vs. \(2 (77) = 154\).
Time = 0.38 (sec) , antiderivative size = 300, normalized size of antiderivative = 3.61 \[ \int \tanh ^4(c+d x) \left (a+b \tanh ^2(c+d x)\right )^2 \, dx=\frac {105 \, {\left (a^{2} + 2 \, a b + b^{2}\right )} {\left (d x + c\right )} + \frac {4 \, {\left (105 \, a^{2} e^{\left (12 \, d x + 12 \, c\right )} + 315 \, a b e^{\left (12 \, d x + 12 \, c\right )} + 210 \, b^{2} e^{\left (12 \, d x + 12 \, c\right )} + 525 \, a^{2} e^{\left (10 \, d x + 10 \, c\right )} + 1260 \, a b e^{\left (10 \, d x + 10 \, c\right )} + 630 \, b^{2} e^{\left (10 \, d x + 10 \, c\right )} + 1120 \, a^{2} e^{\left (8 \, d x + 8 \, c\right )} + 2555 \, a b e^{\left (8 \, d x + 8 \, c\right )} + 1540 \, b^{2} e^{\left (8 \, d x + 8 \, c\right )} + 1330 \, a^{2} e^{\left (6 \, d x + 6 \, c\right )} + 3080 \, a b e^{\left (6 \, d x + 6 \, c\right )} + 1540 \, b^{2} e^{\left (6 \, d x + 6 \, c\right )} + 945 \, a^{2} e^{\left (4 \, d x + 4 \, c\right )} + 2121 \, a b e^{\left (4 \, d x + 4 \, c\right )} + 1218 \, b^{2} e^{\left (4 \, d x + 4 \, c\right )} + 385 \, a^{2} e^{\left (2 \, d x + 2 \, c\right )} + 812 \, a b e^{\left (2 \, d x + 2 \, c\right )} + 406 \, b^{2} e^{\left (2 \, d x + 2 \, c\right )} + 70 \, a^{2} + 161 \, a b + 88 \, b^{2}\right )}}{{\left (e^{\left (2 \, d x + 2 \, c\right )} + 1\right )}^{7}}}{105 \, d} \]
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Time = 0.17 (sec) , antiderivative size = 91, normalized size of antiderivative = 1.10 \[ \int \tanh ^4(c+d x) \left (a+b \tanh ^2(c+d x)\right )^2 \, dx=x\,\left (a^2+2\,a\,b+b^2\right )-\frac {\mathrm {tanh}\left (c+d\,x\right )\,{\left (a+b\right )}^2}{d}-\frac {{\mathrm {tanh}\left (c+d\,x\right )}^5\,\left (b^2+2\,a\,b\right )}{5\,d}-\frac {b^2\,{\mathrm {tanh}\left (c+d\,x\right )}^7}{7\,d}-\frac {{\mathrm {tanh}\left (c+d\,x\right )}^3\,\left (a^2+2\,a\,b+b^2\right )}{3\,d} \]
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