Integrand size = 16, antiderivative size = 369 \[ \int \frac {\text {arccosh}(a x)}{\left (c+d x^2\right )^{9/2}} \, dx=\frac {a \left (1-a^2 x^2\right )}{35 c \left (a^2 c+d\right ) \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{5/2}}+\frac {2 a \left (5 a^2 c+3 d\right ) \left (1-a^2 x^2\right )}{105 c^2 \left (a^2 c+d\right )^2 \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{3/2}}+\frac {4 a \left (11 a^4 c^2+15 a^2 c d+6 d^2\right ) \left (1-a^2 x^2\right )}{105 c^3 \left (a^2 c+d\right )^3 \sqrt {-1+a x} \sqrt {1+a x} \sqrt {c+d x^2}}+\frac {x \text {arccosh}(a x)}{7 c \left (c+d x^2\right )^{7/2}}+\frac {6 x \text {arccosh}(a x)}{35 c^2 \left (c+d x^2\right )^{5/2}}+\frac {8 x \text {arccosh}(a x)}{35 c^3 \left (c+d x^2\right )^{3/2}}+\frac {16 x \text {arccosh}(a x)}{35 c^4 \sqrt {c+d x^2}}-\frac {16 \sqrt {-1+a^2 x^2} \text {arctanh}\left (\frac {\sqrt {d} \sqrt {-1+a^2 x^2}}{a \sqrt {c+d x^2}}\right )}{35 c^4 \sqrt {d} \sqrt {-1+a x} \sqrt {1+a x}} \]
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Time = 0.72 (sec) , antiderivative size = 369, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.750, Rules used = {198, 197, 5908, 12, 533, 6847, 1636, 963, 79, 65, 223, 212} \[ \int \frac {\text {arccosh}(a x)}{\left (c+d x^2\right )^{9/2}} \, dx=-\frac {16 \sqrt {a^2 x^2-1} \text {arctanh}\left (\frac {\sqrt {d} \sqrt {a^2 x^2-1}}{a \sqrt {c+d x^2}}\right )}{35 c^4 \sqrt {d} \sqrt {a x-1} \sqrt {a x+1}}+\frac {2 a \left (1-a^2 x^2\right ) \left (5 a^2 c+3 d\right )}{105 c^2 \sqrt {a x-1} \sqrt {a x+1} \left (a^2 c+d\right )^2 \left (c+d x^2\right )^{3/2}}+\frac {a \left (1-a^2 x^2\right )}{35 c \sqrt {a x-1} \sqrt {a x+1} \left (a^2 c+d\right ) \left (c+d x^2\right )^{5/2}}+\frac {4 a \left (1-a^2 x^2\right ) \left (11 a^4 c^2+15 a^2 c d+6 d^2\right )}{105 c^3 \sqrt {a x-1} \sqrt {a x+1} \left (a^2 c+d\right )^3 \sqrt {c+d x^2}}+\frac {16 x \text {arccosh}(a x)}{35 c^4 \sqrt {c+d x^2}}+\frac {8 x \text {arccosh}(a x)}{35 c^3 \left (c+d x^2\right )^{3/2}}+\frac {6 x \text {arccosh}(a x)}{35 c^2 \left (c+d x^2\right )^{5/2}}+\frac {x \text {arccosh}(a x)}{7 c \left (c+d x^2\right )^{7/2}} \]
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Rule 12
Rule 65
Rule 79
Rule 197
Rule 198
Rule 212
Rule 223
Rule 533
Rule 963
Rule 1636
Rule 5908
Rule 6847
Rubi steps \begin{align*} \text {integral}& = \frac {x \text {arccosh}(a x)}{7 c \left (c+d x^2\right )^{7/2}}+\frac {6 x \text {arccosh}(a x)}{35 c^2 \left (c+d x^2\right )^{5/2}}+\frac {8 x \text {arccosh}(a x)}{35 c^3 \left (c+d x^2\right )^{3/2}}+\frac {16 x \text {arccosh}(a x)}{35 c^4 \sqrt {c+d x^2}}-a \int \frac {x \left (35 c^3+70 c^2 d x^2+56 c d^2 x^4+16 d^3 x^6\right )}{35 c^4 \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{7/2}} \, dx \\ & = \frac {x \text {arccosh}(a x)}{7 c \left (c+d x^2\right )^{7/2}}+\frac {6 x \text {arccosh}(a x)}{35 c^2 \left (c+d x^2\right )^{5/2}}+\frac {8 x \text {arccosh}(a x)}{35 c^3 \left (c+d x^2\right )^{3/2}}+\frac {16 x \text {arccosh}(a x)}{35 c^4 \sqrt {c+d x^2}}-\frac {a \int \frac {x \left (35 c^3+70 c^2 d x^2+56 c d^2 x^4+16 d^3 x^6\right )}{\sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{7/2}} \, dx}{35 c^4} \\ & = \frac {x \text {arccosh}(a x)}{7 c \left (c+d x^2\right )^{7/2}}+\frac {6 x \text {arccosh}(a x)}{35 c^2 \left (c+d x^2\right )^{5/2}}+\frac {8 x \text {arccosh}(a x)}{35 c^3 \left (c+d x^2\right )^{3/2}}+\frac {16 x \text {arccosh}(a x)}{35 c^4 \sqrt {c+d x^2}}-\frac {\left (a \sqrt {-1+a^2 x^2}\right ) \int \frac {x \left (35 c^3+70 c^2 d x^2+56 c d^2 x^4+16 d^3 x^6\right )}{\sqrt {-1+a^2 x^2} \left (c+d x^2\right )^{7/2}} \, dx}{35 c^4 \sqrt {-1+a x} \sqrt {1+a x}} \\ & = \frac {x \text {arccosh}(a x)}{7 c \left (c+d x^2\right )^{7/2}}+\frac {6 x \text {arccosh}(a x)}{35 c^2 \left (c+d x^2\right )^{5/2}}+\frac {8 x \text {arccosh}(a x)}{35 c^3 \left (c+d x^2\right )^{3/2}}+\frac {16 x \text {arccosh}(a x)}{35 c^4 \sqrt {c+d x^2}}-\frac {\left (a \sqrt {-1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {35 c^3+70 c^2 d x+56 c d^2 x^2+16 d^3 x^3}{\sqrt {-1+a^2 x} (c+d x)^{7/2}} \, dx,x,x^2\right )}{70 c^4 \sqrt {-1+a x} \sqrt {1+a x}} \\ & = \frac {a \left (1-a^2 x^2\right )}{35 c \left (a^2 c+d\right ) \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{5/2}}+\frac {x \text {arccosh}(a x)}{7 c \left (c+d x^2\right )^{7/2}}+\frac {6 x \text {arccosh}(a x)}{35 c^2 \left (c+d x^2\right )^{5/2}}+\frac {8 x \text {arccosh}(a x)}{35 c^3 \left (c+d x^2\right )^{3/2}}+\frac {16 x \text {arccosh}(a x)}{35 c^4 \sqrt {c+d x^2}}-\frac {\left (a \sqrt {-1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {5 c^2 \left (17 a^2 c+15 d\right )+100 c d \left (a^2 c+d\right ) x+40 d^2 \left (a^2 c+d\right ) x^2}{\sqrt {-1+a^2 x} (c+d x)^{5/2}} \, dx,x,x^2\right )}{175 c^4 \left (a^2 c+d\right ) \sqrt {-1+a x} \sqrt {1+a x}} \\ & = \frac {a \left (1-a^2 x^2\right )}{35 c \left (a^2 c+d\right ) \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{5/2}}+\frac {2 a \left (5 a^2 c+3 d\right ) \left (1-a^2 x^2\right )}{105 c^2 \left (a^2 c+d\right )^2 \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{3/2}}+\frac {x \text {arccosh}(a x)}{7 c \left (c+d x^2\right )^{7/2}}+\frac {6 x \text {arccosh}(a x)}{35 c^2 \left (c+d x^2\right )^{5/2}}+\frac {8 x \text {arccosh}(a x)}{35 c^3 \left (c+d x^2\right )^{3/2}}+\frac {16 x \text {arccosh}(a x)}{35 c^4 \sqrt {c+d x^2}}-\frac {\left (2 a \sqrt {-1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {5 c \left (23 a^4 c^2+39 a^2 c d+18 d^2\right )+60 d \left (a^2 c+d\right )^2 x}{\sqrt {-1+a^2 x} (c+d x)^{3/2}} \, dx,x,x^2\right )}{525 c^4 \left (a^2 c+d\right )^2 \sqrt {-1+a x} \sqrt {1+a x}} \\ & = \frac {a \left (1-a^2 x^2\right )}{35 c \left (a^2 c+d\right ) \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{5/2}}+\frac {2 a \left (5 a^2 c+3 d\right ) \left (1-a^2 x^2\right )}{105 c^2 \left (a^2 c+d\right )^2 \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{3/2}}+\frac {4 a \left (11 a^4 c^2+15 a^2 c d+6 d^2\right ) \left (1-a^2 x^2\right )}{105 c^3 \left (a^2 c+d\right )^3 \sqrt {-1+a x} \sqrt {1+a x} \sqrt {c+d x^2}}+\frac {x \text {arccosh}(a x)}{7 c \left (c+d x^2\right )^{7/2}}+\frac {6 x \text {arccosh}(a x)}{35 c^2 \left (c+d x^2\right )^{5/2}}+\frac {8 x \text {arccosh}(a x)}{35 c^3 \left (c+d x^2\right )^{3/2}}+\frac {16 x \text {arccosh}(a x)}{35 c^4 \sqrt {c+d x^2}}-\frac {\left (8 a \sqrt {-1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {-1+a^2 x} \sqrt {c+d x}} \, dx,x,x^2\right )}{35 c^4 \sqrt {-1+a x} \sqrt {1+a x}} \\ & = \frac {a \left (1-a^2 x^2\right )}{35 c \left (a^2 c+d\right ) \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{5/2}}+\frac {2 a \left (5 a^2 c+3 d\right ) \left (1-a^2 x^2\right )}{105 c^2 \left (a^2 c+d\right )^2 \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{3/2}}+\frac {4 a \left (11 a^4 c^2+15 a^2 c d+6 d^2\right ) \left (1-a^2 x^2\right )}{105 c^3 \left (a^2 c+d\right )^3 \sqrt {-1+a x} \sqrt {1+a x} \sqrt {c+d x^2}}+\frac {x \text {arccosh}(a x)}{7 c \left (c+d x^2\right )^{7/2}}+\frac {6 x \text {arccosh}(a x)}{35 c^2 \left (c+d x^2\right )^{5/2}}+\frac {8 x \text {arccosh}(a x)}{35 c^3 \left (c+d x^2\right )^{3/2}}+\frac {16 x \text {arccosh}(a x)}{35 c^4 \sqrt {c+d x^2}}-\frac {\left (16 \sqrt {-1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {c+\frac {d}{a^2}+\frac {d x^2}{a^2}}} \, dx,x,\sqrt {-1+a^2 x^2}\right )}{35 a c^4 \sqrt {-1+a x} \sqrt {1+a x}} \\ & = \frac {a \left (1-a^2 x^2\right )}{35 c \left (a^2 c+d\right ) \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{5/2}}+\frac {2 a \left (5 a^2 c+3 d\right ) \left (1-a^2 x^2\right )}{105 c^2 \left (a^2 c+d\right )^2 \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{3/2}}+\frac {4 a \left (11 a^4 c^2+15 a^2 c d+6 d^2\right ) \left (1-a^2 x^2\right )}{105 c^3 \left (a^2 c+d\right )^3 \sqrt {-1+a x} \sqrt {1+a x} \sqrt {c+d x^2}}+\frac {x \text {arccosh}(a x)}{7 c \left (c+d x^2\right )^{7/2}}+\frac {6 x \text {arccosh}(a x)}{35 c^2 \left (c+d x^2\right )^{5/2}}+\frac {8 x \text {arccosh}(a x)}{35 c^3 \left (c+d x^2\right )^{3/2}}+\frac {16 x \text {arccosh}(a x)}{35 c^4 \sqrt {c+d x^2}}-\frac {\left (16 \sqrt {-1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {1}{1-\frac {d x^2}{a^2}} \, dx,x,\frac {\sqrt {-1+a^2 x^2}}{\sqrt {c+d x^2}}\right )}{35 a c^4 \sqrt {-1+a x} \sqrt {1+a x}} \\ & = \frac {a \left (1-a^2 x^2\right )}{35 c \left (a^2 c+d\right ) \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{5/2}}+\frac {2 a \left (5 a^2 c+3 d\right ) \left (1-a^2 x^2\right )}{105 c^2 \left (a^2 c+d\right )^2 \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right )^{3/2}}+\frac {4 a \left (11 a^4 c^2+15 a^2 c d+6 d^2\right ) \left (1-a^2 x^2\right )}{105 c^3 \left (a^2 c+d\right )^3 \sqrt {-1+a x} \sqrt {1+a x} \sqrt {c+d x^2}}+\frac {x \text {arccosh}(a x)}{7 c \left (c+d x^2\right )^{7/2}}+\frac {6 x \text {arccosh}(a x)}{35 c^2 \left (c+d x^2\right )^{5/2}}+\frac {8 x \text {arccosh}(a x)}{35 c^3 \left (c+d x^2\right )^{3/2}}+\frac {16 x \text {arccosh}(a x)}{35 c^4 \sqrt {c+d x^2}}-\frac {16 \sqrt {-1+a^2 x^2} \text {arctanh}\left (\frac {\sqrt {d} \sqrt {-1+a^2 x^2}}{a \sqrt {c+d x^2}}\right )}{35 c^4 \sqrt {d} \sqrt {-1+a x} \sqrt {1+a x}} \\ \end{align*}
Result contains higher order function than in optimal. Order 4 vs. order 3 in optimal.
Time = 4.48 (sec) , antiderivative size = 723, normalized size of antiderivative = 1.96 \[ \int \frac {\text {arccosh}(a x)}{\left (c+d x^2\right )^{9/2}} \, dx=\frac {-\frac {a \sqrt {-1+a x} \sqrt {1+a x} \left (c+d x^2\right ) \left (3 d^2 \left (11 c^2+18 c d x^2+8 d^2 x^4\right )+2 a^2 c d \left (41 c^2+68 c d x^2+30 d^2 x^4\right )+a^4 c^2 \left (57 c^2+98 c d x^2+44 d^2 x^4\right )\right )}{3 c^3 \left (a^2 c+d\right )^3}+\frac {x \left (35 c^3+70 c^2 d x^2+56 c d^2 x^4+16 d^3 x^6\right ) \text {arccosh}(a x)}{c^4}+\frac {32 (-1+a x)^{3/2} \sqrt {\frac {\left (a \sqrt {c}-i \sqrt {d}\right ) (1+a x)}{\left (a \sqrt {c}+i \sqrt {d}\right ) (-1+a x)}} \left (c+d x^2\right )^3 \left (\frac {a \left (-i a \sqrt {c}+\sqrt {d}\right ) \left (i \sqrt {c}+\sqrt {d} x\right ) \sqrt {\frac {1+\frac {i a \sqrt {c}}{\sqrt {d}}-a x+\frac {i \sqrt {d} x}{\sqrt {c}}}{1-a x}} \operatorname {EllipticF}\left (\arcsin \left (\sqrt {-\frac {-1+\frac {i \sqrt {d} x}{\sqrt {c}}+a \left (\frac {i \sqrt {c}}{\sqrt {d}}+x\right )}{2-2 a x}}\right ),\frac {4 i a \sqrt {c} \sqrt {d}}{\left (a \sqrt {c}+i \sqrt {d}\right )^2}\right )}{-1+a x}+a \sqrt {c} \left (-a \sqrt {c}+i \sqrt {d}\right ) \sqrt {\frac {\left (a^2 c+d\right ) \left (c+d x^2\right )}{c d (-1+a x)^2}} \sqrt {-\frac {-1+\frac {i \sqrt {d} x}{\sqrt {c}}+a \left (\frac {i \sqrt {c}}{\sqrt {d}}+x\right )}{1-a x}} \operatorname {EllipticPi}\left (\frac {2 a \sqrt {c}}{a \sqrt {c}+i \sqrt {d}},\arcsin \left (\sqrt {-\frac {-1+\frac {i \sqrt {d} x}{\sqrt {c}}+a \left (\frac {i \sqrt {c}}{\sqrt {d}}+x\right )}{2-2 a x}}\right ),\frac {4 i a \sqrt {c} \sqrt {d}}{\left (a \sqrt {c}+i \sqrt {d}\right )^2}\right )\right )}{a c^4 \left (a^2 c+d\right ) \sqrt {1+a x} \sqrt {-\frac {-1+\frac {i \sqrt {d} x}{\sqrt {c}}+a \left (\frac {i \sqrt {c}}{\sqrt {d}}+x\right )}{1-a x}}}}{35 \left (c+d x^2\right )^{7/2}} \]
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\[\int \frac {\operatorname {arccosh}\left (a x \right )}{\left (d \,x^{2}+c \right )^{\frac {9}{2}}}d x\]
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Leaf count of result is larger than twice the leaf count of optimal. 870 vs. \(2 (310) = 620\).
Time = 0.48 (sec) , antiderivative size = 1752, normalized size of antiderivative = 4.75 \[ \int \frac {\text {arccosh}(a x)}{\left (c+d x^2\right )^{9/2}} \, dx=\text {Too large to display} \]
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Timed out. \[ \int \frac {\text {arccosh}(a x)}{\left (c+d x^2\right )^{9/2}} \, dx=\text {Timed out} \]
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Exception generated. \[ \int \frac {\text {arccosh}(a x)}{\left (c+d x^2\right )^{9/2}} \, dx=\text {Exception raised: ValueError} \]
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none
Time = 0.42 (sec) , antiderivative size = 481, normalized size of antiderivative = 1.30 \[ \int \frac {\text {arccosh}(a x)}{\left (c+d x^2\right )^{9/2}} \, dx=-\frac {1}{105} \, a {\left (\frac {\sqrt {a^{2} x^{2} - 1} {\left (2 \, {\left (a^{2} x^{2} - 1\right )} {\left (\frac {2 \, {\left (11 \, a^{8} c^{15} d^{4} {\left | a \right |} + 15 \, a^{6} c^{14} d^{5} {\left | a \right |} + 6 \, a^{4} c^{13} d^{6} {\left | a \right |}\right )} {\left (a^{2} x^{2} - 1\right )}}{a^{10} c^{19} d^{2} + 3 \, a^{8} c^{18} d^{3} + 3 \, a^{6} c^{17} d^{4} + a^{4} c^{16} d^{5}} + \frac {49 \, a^{10} c^{16} d^{3} {\left | a \right |} + 112 \, a^{8} c^{15} d^{4} {\left | a \right |} + 87 \, a^{6} c^{14} d^{5} {\left | a \right |} + 24 \, a^{4} c^{13} d^{6} {\left | a \right |}}{a^{10} c^{19} d^{2} + 3 \, a^{8} c^{18} d^{3} + 3 \, a^{6} c^{17} d^{4} + a^{4} c^{16} d^{5}}\right )} + \frac {3 \, {\left (19 \, a^{12} c^{17} d^{2} {\left | a \right |} + 60 \, a^{10} c^{16} d^{3} {\left | a \right |} + 71 \, a^{8} c^{15} d^{4} {\left | a \right |} + 38 \, a^{6} c^{14} d^{5} {\left | a \right |} + 8 \, a^{4} c^{13} d^{6} {\left | a \right |}\right )}}{a^{10} c^{19} d^{2} + 3 \, a^{8} c^{18} d^{3} + 3 \, a^{6} c^{17} d^{4} + a^{4} c^{16} d^{5}}\right )}}{{\left (a^{2} c + {\left (a^{2} x^{2} - 1\right )} d + d\right )}^{\frac {5}{2}}} - \frac {48 \, {\left | a \right |} \log \left ({\left | -\sqrt {a^{2} x^{2} - 1} \sqrt {d} + \sqrt {a^{2} c + {\left (a^{2} x^{2} - 1\right )} d + d} \right |}\right )}{a^{2} c^{4} \sqrt {d}}\right )} + \frac {{\left (2 \, {\left (4 \, x^{2} {\left (\frac {2 \, d^{3} x^{2}}{c^{4}} + \frac {7 \, d^{2}}{c^{3}}\right )} + \frac {35 \, d}{c^{2}}\right )} x^{2} + \frac {35}{c}\right )} x \log \left (a x + \sqrt {a^{2} x^{2} - 1}\right )}{35 \, {\left (d x^{2} + c\right )}^{\frac {7}{2}}} \]
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Timed out. \[ \int \frac {\text {arccosh}(a x)}{\left (c+d x^2\right )^{9/2}} \, dx=\int \frac {\mathrm {acosh}\left (a\,x\right )}{{\left (d\,x^2+c\right )}^{9/2}} \,d x \]
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