Integrand size = 17, antiderivative size = 207 \[ \int (a+b \sinh (x))^{3/2} (A+B \sinh (x)) \, dx=\frac {2}{15} (5 A b+3 a B) \cosh (x) \sqrt {a+b \sinh (x)}+\frac {2}{5} B \cosh (x) (a+b \sinh (x))^{3/2}+\frac {2 i \left (20 a A b+3 a^2 B-9 b^2 B\right ) E\left (\frac {\pi }{4}-\frac {i x}{2}|\frac {2 b}{i a+b}\right ) \sqrt {a+b \sinh (x)}}{15 b \sqrt {\frac {a+b \sinh (x)}{a-i b}}}-\frac {2 i \left (a^2+b^2\right ) (5 A b+3 a B) \operatorname {EllipticF}\left (\frac {\pi }{4}-\frac {i x}{2},\frac {2 b}{i a+b}\right ) \sqrt {\frac {a+b \sinh (x)}{a-i b}}}{15 b \sqrt {a+b \sinh (x)}} \]
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Time = 0.21 (sec) , antiderivative size = 207, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.353, Rules used = {2832, 2831, 2742, 2740, 2734, 2732} \[ \int (a+b \sinh (x))^{3/2} (A+B \sinh (x)) \, dx=-\frac {2 i \left (a^2+b^2\right ) (3 a B+5 A b) \sqrt {\frac {a+b \sinh (x)}{a-i b}} \operatorname {EllipticF}\left (\frac {\pi }{4}-\frac {i x}{2},\frac {2 b}{i a+b}\right )}{15 b \sqrt {a+b \sinh (x)}}+\frac {2 i \left (3 a^2 B+20 a A b-9 b^2 B\right ) \sqrt {a+b \sinh (x)} E\left (\frac {\pi }{4}-\frac {i x}{2}|\frac {2 b}{i a+b}\right )}{15 b \sqrt {\frac {a+b \sinh (x)}{a-i b}}}+\frac {2}{15} \cosh (x) (3 a B+5 A b) \sqrt {a+b \sinh (x)}+\frac {2}{5} B \cosh (x) (a+b \sinh (x))^{3/2} \]
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Rule 2732
Rule 2734
Rule 2740
Rule 2742
Rule 2831
Rule 2832
Rubi steps \begin{align*} \text {integral}& = \frac {2}{5} B \cosh (x) (a+b \sinh (x))^{3/2}+\frac {2}{5} \int \sqrt {a+b \sinh (x)} \left (\frac {1}{2} (5 a A-3 b B)+\frac {1}{2} (5 A b+3 a B) \sinh (x)\right ) \, dx \\ & = \frac {2}{15} (5 A b+3 a B) \cosh (x) \sqrt {a+b \sinh (x)}+\frac {2}{5} B \cosh (x) (a+b \sinh (x))^{3/2}+\frac {4}{15} \int \frac {\frac {1}{4} \left (15 a^2 A-5 A b^2-12 a b B\right )+\frac {1}{4} \left (20 a A b+3 a^2 B-9 b^2 B\right ) \sinh (x)}{\sqrt {a+b \sinh (x)}} \, dx \\ & = \frac {2}{15} (5 A b+3 a B) \cosh (x) \sqrt {a+b \sinh (x)}+\frac {2}{5} B \cosh (x) (a+b \sinh (x))^{3/2}-\frac {\left (\left (a^2+b^2\right ) (5 A b+3 a B)\right ) \int \frac {1}{\sqrt {a+b \sinh (x)}} \, dx}{15 b}+\frac {\left (20 a A b+3 a^2 B-9 b^2 B\right ) \int \sqrt {a+b \sinh (x)} \, dx}{15 b} \\ & = \frac {2}{15} (5 A b+3 a B) \cosh (x) \sqrt {a+b \sinh (x)}+\frac {2}{5} B \cosh (x) (a+b \sinh (x))^{3/2}+\frac {\left (\left (20 a A b+3 a^2 B-9 b^2 B\right ) \sqrt {a+b \sinh (x)}\right ) \int \sqrt {\frac {a}{a-i b}+\frac {b \sinh (x)}{a-i b}} \, dx}{15 b \sqrt {\frac {a+b \sinh (x)}{a-i b}}}-\frac {\left (\left (a^2+b^2\right ) (5 A b+3 a B) \sqrt {\frac {a+b \sinh (x)}{a-i b}}\right ) \int \frac {1}{\sqrt {\frac {a}{a-i b}+\frac {b \sinh (x)}{a-i b}}} \, dx}{15 b \sqrt {a+b \sinh (x)}} \\ & = \frac {2}{15} (5 A b+3 a B) \cosh (x) \sqrt {a+b \sinh (x)}+\frac {2}{5} B \cosh (x) (a+b \sinh (x))^{3/2}+\frac {2 i \left (20 a A b+3 a^2 B-9 b^2 B\right ) E\left (\frac {\pi }{4}-\frac {i x}{2}|\frac {2 b}{i a+b}\right ) \sqrt {a+b \sinh (x)}}{15 b \sqrt {\frac {a+b \sinh (x)}{a-i b}}}-\frac {2 i \left (a^2+b^2\right ) (5 A b+3 a B) \operatorname {EllipticF}\left (\frac {\pi }{4}-\frac {i x}{2},\frac {2 b}{i a+b}\right ) \sqrt {\frac {a+b \sinh (x)}{a-i b}}}{15 b \sqrt {a+b \sinh (x)}} \\ \end{align*}
Time = 0.44 (sec) , antiderivative size = 196, normalized size of antiderivative = 0.95 \[ \int (a+b \sinh (x))^{3/2} (A+B \sinh (x)) \, dx=\frac {2 \left (\frac {i \left (b \left (15 a^2 A-5 A b^2-12 a b B\right ) \operatorname {EllipticF}\left (\frac {1}{4} (\pi -2 i x),-\frac {2 i b}{a-i b}\right )+\left (20 a A b+3 a^2 B-9 b^2 B\right ) \left ((a-i b) E\left (\frac {1}{4} (\pi -2 i x)|-\frac {2 i b}{a-i b}\right )-a \operatorname {EllipticF}\left (\frac {1}{4} (\pi -2 i x),-\frac {2 i b}{a-i b}\right )\right )\right ) \sqrt {\frac {a+b \sinh (x)}{a-i b}}}{b}+\cosh (x) (a+b \sinh (x)) (5 A b+6 a B+3 b B \sinh (x))\right )}{15 \sqrt {a+b \sinh (x)}} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 1036 vs. \(2 (231 ) = 462\).
Time = 4.32 (sec) , antiderivative size = 1037, normalized size of antiderivative = 5.01
method | result | size |
default | \(\text {Expression too large to display}\) | \(1037\) |
parts | \(\text {Expression too large to display}\) | \(1489\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.12 (sec) , antiderivative size = 635, normalized size of antiderivative = 3.07 \[ \int (a+b \sinh (x))^{3/2} (A+B \sinh (x)) \, dx=-\frac {4 \, {\left (\sqrt {2} {\left (6 \, B a^{3} - 5 \, A a^{2} b + 18 \, B a b^{2} + 15 \, A b^{3}\right )} \cosh \left (x\right )^{2} + 2 \, \sqrt {2} {\left (6 \, B a^{3} - 5 \, A a^{2} b + 18 \, B a b^{2} + 15 \, A b^{3}\right )} \cosh \left (x\right ) \sinh \left (x\right ) + \sqrt {2} {\left (6 \, B a^{3} - 5 \, A a^{2} b + 18 \, B a b^{2} + 15 \, A b^{3}\right )} \sinh \left (x\right )^{2}\right )} \sqrt {b} {\rm weierstrassPInverse}\left (\frac {4 \, {\left (4 \, a^{2} + 3 \, b^{2}\right )}}{3 \, b^{2}}, -\frac {8 \, {\left (8 \, a^{3} + 9 \, a b^{2}\right )}}{27 \, b^{3}}, \frac {3 \, b \cosh \left (x\right ) + 3 \, b \sinh \left (x\right ) + 2 \, a}{3 \, b}\right ) + 12 \, {\left (\sqrt {2} {\left (3 \, B a^{2} b + 20 \, A a b^{2} - 9 \, B b^{3}\right )} \cosh \left (x\right )^{2} + 2 \, \sqrt {2} {\left (3 \, B a^{2} b + 20 \, A a b^{2} - 9 \, B b^{3}\right )} \cosh \left (x\right ) \sinh \left (x\right ) + \sqrt {2} {\left (3 \, B a^{2} b + 20 \, A a b^{2} - 9 \, B b^{3}\right )} \sinh \left (x\right )^{2}\right )} \sqrt {b} {\rm weierstrassZeta}\left (\frac {4 \, {\left (4 \, a^{2} + 3 \, b^{2}\right )}}{3 \, b^{2}}, -\frac {8 \, {\left (8 \, a^{3} + 9 \, a b^{2}\right )}}{27 \, b^{3}}, {\rm weierstrassPInverse}\left (\frac {4 \, {\left (4 \, a^{2} + 3 \, b^{2}\right )}}{3 \, b^{2}}, -\frac {8 \, {\left (8 \, a^{3} + 9 \, a b^{2}\right )}}{27 \, b^{3}}, \frac {3 \, b \cosh \left (x\right ) + 3 \, b \sinh \left (x\right ) + 2 \, a}{3 \, b}\right )\right ) - 3 \, {\left (3 \, B b^{3} \cosh \left (x\right )^{4} + 3 \, B b^{3} \sinh \left (x\right )^{4} - 3 \, B b^{3} + 2 \, {\left (6 \, B a b^{2} + 5 \, A b^{3}\right )} \cosh \left (x\right )^{3} + 2 \, {\left (6 \, B b^{3} \cosh \left (x\right ) + 6 \, B a b^{2} + 5 \, A b^{3}\right )} \sinh \left (x\right )^{3} - 4 \, {\left (3 \, B a^{2} b + 20 \, A a b^{2} - 9 \, B b^{3}\right )} \cosh \left (x\right )^{2} + 2 \, {\left (9 \, B b^{3} \cosh \left (x\right )^{2} - 6 \, B a^{2} b - 40 \, A a b^{2} + 18 \, B b^{3} + 3 \, {\left (6 \, B a b^{2} + 5 \, A b^{3}\right )} \cosh \left (x\right )\right )} \sinh \left (x\right )^{2} + 2 \, {\left (6 \, B a b^{2} + 5 \, A b^{3}\right )} \cosh \left (x\right ) + 2 \, {\left (6 \, B b^{3} \cosh \left (x\right )^{3} + 6 \, B a b^{2} + 5 \, A b^{3} + 3 \, {\left (6 \, B a b^{2} + 5 \, A b^{3}\right )} \cosh \left (x\right )^{2} - 4 \, {\left (3 \, B a^{2} b + 20 \, A a b^{2} - 9 \, B b^{3}\right )} \cosh \left (x\right )\right )} \sinh \left (x\right )\right )} \sqrt {b \sinh \left (x\right ) + a}}{90 \, {\left (b^{2} \cosh \left (x\right )^{2} + 2 \, b^{2} \cosh \left (x\right ) \sinh \left (x\right ) + b^{2} \sinh \left (x\right )^{2}\right )}} \]
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\[ \int (a+b \sinh (x))^{3/2} (A+B \sinh (x)) \, dx=\int \left (A + B \sinh {\left (x \right )}\right ) \left (a + b \sinh {\left (x \right )}\right )^{\frac {3}{2}}\, dx \]
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\[ \int (a+b \sinh (x))^{3/2} (A+B \sinh (x)) \, dx=\int { {\left (B \sinh \left (x\right ) + A\right )} {\left (b \sinh \left (x\right ) + a\right )}^{\frac {3}{2}} \,d x } \]
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\[ \int (a+b \sinh (x))^{3/2} (A+B \sinh (x)) \, dx=\int { {\left (B \sinh \left (x\right ) + A\right )} {\left (b \sinh \left (x\right ) + a\right )}^{\frac {3}{2}} \,d x } \]
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Timed out. \[ \int (a+b \sinh (x))^{3/2} (A+B \sinh (x)) \, dx=\int \left (A+B\,\mathrm {sinh}\left (x\right )\right )\,{\left (a+b\,\mathrm {sinh}\left (x\right )\right )}^{3/2} \,d x \]
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