Integrand size = 18, antiderivative size = 325 \[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=-\frac {2 (c+d x)^{3/2} \cosh (a+b x)}{3 b}+\frac {9 d^{3/2} e^{-a+\frac {b c}{d}} \sqrt {\pi } \text {erf}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{32 b^{5/2}}-\frac {d^{3/2} e^{-3 a+\frac {3 b c}{d}} \sqrt {\frac {\pi }{3}} \text {erf}\left (\frac {\sqrt {3} \sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{96 b^{5/2}}-\frac {9 d^{3/2} e^{a-\frac {b c}{d}} \sqrt {\pi } \text {erfi}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{32 b^{5/2}}+\frac {d^{3/2} e^{3 a-\frac {3 b c}{d}} \sqrt {\frac {\pi }{3}} \text {erfi}\left (\frac {\sqrt {3} \sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{96 b^{5/2}}+\frac {d \sqrt {c+d x} \sinh (a+b x)}{b^2}+\frac {(c+d x)^{3/2} \cosh (a+b x) \sinh ^2(a+b x)}{3 b}-\frac {d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2} \]
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Time = 0.61 (sec) , antiderivative size = 325, normalized size of antiderivative = 1.00, number of steps used = 20, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.389, Rules used = {3392, 3377, 3389, 2211, 2235, 2236, 3393} \[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\frac {9 \sqrt {\pi } d^{3/2} e^{\frac {b c}{d}-a} \text {erf}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{32 b^{5/2}}-\frac {\sqrt {\frac {\pi }{3}} d^{3/2} e^{\frac {3 b c}{d}-3 a} \text {erf}\left (\frac {\sqrt {3} \sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{96 b^{5/2}}-\frac {9 \sqrt {\pi } d^{3/2} e^{a-\frac {b c}{d}} \text {erfi}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{32 b^{5/2}}+\frac {\sqrt {\frac {\pi }{3}} d^{3/2} e^{3 a-\frac {3 b c}{d}} \text {erfi}\left (\frac {\sqrt {3} \sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{96 b^{5/2}}-\frac {d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}+\frac {d \sqrt {c+d x} \sinh (a+b x)}{b^2}-\frac {2 (c+d x)^{3/2} \cosh (a+b x)}{3 b}+\frac {(c+d x)^{3/2} \sinh ^2(a+b x) \cosh (a+b x)}{3 b} \]
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Rule 2211
Rule 2235
Rule 2236
Rule 3377
Rule 3389
Rule 3392
Rule 3393
Rubi steps \begin{align*} \text {integral}& = \frac {(c+d x)^{3/2} \cosh (a+b x) \sinh ^2(a+b x)}{3 b}-\frac {d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {2}{3} \int (c+d x)^{3/2} \sinh (a+b x) \, dx+\frac {d^2 \int \frac {\sinh ^3(a+b x)}{\sqrt {c+d x}} \, dx}{12 b^2} \\ & = -\frac {2 (c+d x)^{3/2} \cosh (a+b x)}{3 b}+\frac {(c+d x)^{3/2} \cosh (a+b x) \sinh ^2(a+b x)}{3 b}-\frac {d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}+\frac {d \int \sqrt {c+d x} \cosh (a+b x) \, dx}{b}+\frac {\left (i d^2\right ) \int \left (\frac {3 i \sinh (a+b x)}{4 \sqrt {c+d x}}-\frac {i \sinh (3 a+3 b x)}{4 \sqrt {c+d x}}\right ) \, dx}{12 b^2} \\ & = -\frac {2 (c+d x)^{3/2} \cosh (a+b x)}{3 b}+\frac {d \sqrt {c+d x} \sinh (a+b x)}{b^2}+\frac {(c+d x)^{3/2} \cosh (a+b x) \sinh ^2(a+b x)}{3 b}-\frac {d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}+\frac {d^2 \int \frac {\sinh (3 a+3 b x)}{\sqrt {c+d x}} \, dx}{48 b^2}-\frac {d^2 \int \frac {\sinh (a+b x)}{\sqrt {c+d x}} \, dx}{16 b^2}-\frac {d^2 \int \frac {\sinh (a+b x)}{\sqrt {c+d x}} \, dx}{2 b^2} \\ & = -\frac {2 (c+d x)^{3/2} \cosh (a+b x)}{3 b}+\frac {d \sqrt {c+d x} \sinh (a+b x)}{b^2}+\frac {(c+d x)^{3/2} \cosh (a+b x) \sinh ^2(a+b x)}{3 b}-\frac {d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}+\frac {d^2 \int \frac {e^{-i (3 i a+3 i b x)}}{\sqrt {c+d x}} \, dx}{96 b^2}-\frac {d^2 \int \frac {e^{i (3 i a+3 i b x)}}{\sqrt {c+d x}} \, dx}{96 b^2}-\frac {d^2 \int \frac {e^{-i (i a+i b x)}}{\sqrt {c+d x}} \, dx}{32 b^2}+\frac {d^2 \int \frac {e^{i (i a+i b x)}}{\sqrt {c+d x}} \, dx}{32 b^2}-\frac {d^2 \int \frac {e^{-i (i a+i b x)}}{\sqrt {c+d x}} \, dx}{4 b^2}+\frac {d^2 \int \frac {e^{i (i a+i b x)}}{\sqrt {c+d x}} \, dx}{4 b^2} \\ & = -\frac {2 (c+d x)^{3/2} \cosh (a+b x)}{3 b}+\frac {d \sqrt {c+d x} \sinh (a+b x)}{b^2}+\frac {(c+d x)^{3/2} \cosh (a+b x) \sinh ^2(a+b x)}{3 b}-\frac {d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2}-\frac {d \text {Subst}\left (\int e^{i \left (3 i a-\frac {3 i b c}{d}\right )-\frac {3 b x^2}{d}} \, dx,x,\sqrt {c+d x}\right )}{48 b^2}+\frac {d \text {Subst}\left (\int e^{-i \left (3 i a-\frac {3 i b c}{d}\right )+\frac {3 b x^2}{d}} \, dx,x,\sqrt {c+d x}\right )}{48 b^2}+\frac {d \text {Subst}\left (\int e^{i \left (i a-\frac {i b c}{d}\right )-\frac {b x^2}{d}} \, dx,x,\sqrt {c+d x}\right )}{16 b^2}-\frac {d \text {Subst}\left (\int e^{-i \left (i a-\frac {i b c}{d}\right )+\frac {b x^2}{d}} \, dx,x,\sqrt {c+d x}\right )}{16 b^2}+\frac {d \text {Subst}\left (\int e^{i \left (i a-\frac {i b c}{d}\right )-\frac {b x^2}{d}} \, dx,x,\sqrt {c+d x}\right )}{2 b^2}-\frac {d \text {Subst}\left (\int e^{-i \left (i a-\frac {i b c}{d}\right )+\frac {b x^2}{d}} \, dx,x,\sqrt {c+d x}\right )}{2 b^2} \\ & = -\frac {2 (c+d x)^{3/2} \cosh (a+b x)}{3 b}+\frac {9 d^{3/2} e^{-a+\frac {b c}{d}} \sqrt {\pi } \text {erf}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{32 b^{5/2}}-\frac {d^{3/2} e^{-3 a+\frac {3 b c}{d}} \sqrt {\frac {\pi }{3}} \text {erf}\left (\frac {\sqrt {3} \sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{96 b^{5/2}}-\frac {9 d^{3/2} e^{a-\frac {b c}{d}} \sqrt {\pi } \text {erfi}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{32 b^{5/2}}+\frac {d^{3/2} e^{3 a-\frac {3 b c}{d}} \sqrt {\frac {\pi }{3}} \text {erfi}\left (\frac {\sqrt {3} \sqrt {b} \sqrt {c+d x}}{\sqrt {d}}\right )}{96 b^{5/2}}+\frac {d \sqrt {c+d x} \sinh (a+b x)}{b^2}+\frac {(c+d x)^{3/2} \cosh (a+b x) \sinh ^2(a+b x)}{3 b}-\frac {d \sqrt {c+d x} \sinh ^3(a+b x)}{6 b^2} \\ \end{align*}
Time = 0.38 (sec) , antiderivative size = 211, normalized size of antiderivative = 0.65 \[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\frac {d e^{-3 \left (a+\frac {b c}{d}\right )} \sqrt {c+d x} \left (-\sqrt {3} e^{6 a} \sqrt {\frac {b (c+d x)}{d}} \Gamma \left (\frac {5}{2},-\frac {3 b (c+d x)}{d}\right )+81 e^{4 a+\frac {2 b c}{d}} \sqrt {\frac {b (c+d x)}{d}} \Gamma \left (\frac {5}{2},-\frac {b (c+d x)}{d}\right )+e^{\frac {4 b c}{d}} \sqrt {-\frac {b (c+d x)}{d}} \left (-81 e^{2 a} \Gamma \left (\frac {5}{2},\frac {b (c+d x)}{d}\right )+\sqrt {3} e^{\frac {2 b c}{d}} \Gamma \left (\frac {5}{2},\frac {3 b (c+d x)}{d}\right )\right )\right )}{216 b^2 \sqrt {-\frac {b^2 (c+d x)^2}{d^2}}} \]
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\[\int \left (d x +c \right )^{\frac {3}{2}} \sinh \left (b x +a \right )^{3}d x\]
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Leaf count of result is larger than twice the leaf count of optimal. 1543 vs. \(2 (245) = 490\).
Time = 0.27 (sec) , antiderivative size = 1543, normalized size of antiderivative = 4.75 \[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\text {Too large to display} \]
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\[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\int \left (c + d x\right )^{\frac {3}{2}} \sinh ^{3}{\left (a + b x \right )}\, dx \]
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Time = 0.31 (sec) , antiderivative size = 430, normalized size of antiderivative = 1.32 \[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\frac {\frac {\sqrt {3} \sqrt {\pi } d^{2} \operatorname {erf}\left (\sqrt {3} \sqrt {d x + c} \sqrt {-\frac {b}{d}}\right ) e^{\left (3 \, a - \frac {3 \, b c}{d}\right )}}{b^{2} \sqrt {-\frac {b}{d}}} - \frac {\sqrt {3} \sqrt {\pi } d^{2} \operatorname {erf}\left (\sqrt {3} \sqrt {d x + c} \sqrt {\frac {b}{d}}\right ) e^{\left (-3 \, a + \frac {3 \, b c}{d}\right )}}{b^{2} \sqrt {\frac {b}{d}}} - \frac {81 \, \sqrt {\pi } d^{2} \operatorname {erf}\left (\sqrt {d x + c} \sqrt {-\frac {b}{d}}\right ) e^{\left (a - \frac {b c}{d}\right )}}{b^{2} \sqrt {-\frac {b}{d}}} + \frac {81 \, \sqrt {\pi } d^{2} \operatorname {erf}\left (\sqrt {d x + c} \sqrt {\frac {b}{d}}\right ) e^{\left (-a + \frac {b c}{d}\right )}}{b^{2} \sqrt {\frac {b}{d}}} - \frac {54 \, {\left (2 \, {\left (d x + c\right )}^{\frac {3}{2}} b d e^{\left (\frac {b c}{d}\right )} + 3 \, \sqrt {d x + c} d^{2} e^{\left (\frac {b c}{d}\right )}\right )} e^{\left (-a - \frac {{\left (d x + c\right )} b}{d}\right )}}{b^{2}} + \frac {6 \, {\left (2 \, {\left (d x + c\right )}^{\frac {3}{2}} b d e^{\left (\frac {3 \, b c}{d}\right )} + \sqrt {d x + c} d^{2} e^{\left (\frac {3 \, b c}{d}\right )}\right )} e^{\left (-3 \, a - \frac {3 \, {\left (d x + c\right )} b}{d}\right )}}{b^{2}} + \frac {6 \, {\left (2 \, {\left (d x + c\right )}^{\frac {3}{2}} b d e^{\left (3 \, a\right )} - \sqrt {d x + c} d^{2} e^{\left (3 \, a\right )}\right )} e^{\left (\frac {3 \, {\left (d x + c\right )} b}{d} - \frac {3 \, b c}{d}\right )}}{b^{2}} - \frac {54 \, {\left (2 \, {\left (d x + c\right )}^{\frac {3}{2}} b d e^{a} - 3 \, \sqrt {d x + c} d^{2} e^{a}\right )} e^{\left (\frac {{\left (d x + c\right )} b}{d} - \frac {b c}{d}\right )}}{b^{2}}}{288 \, d} \]
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\[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\int { {\left (d x + c\right )}^{\frac {3}{2}} \sinh \left (b x + a\right )^{3} \,d x } \]
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Timed out. \[ \int (c+d x)^{3/2} \sinh ^3(a+b x) \, dx=\int {\mathrm {sinh}\left (a+b\,x\right )}^3\,{\left (c+d\,x\right )}^{3/2} \,d x \]
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