Optimal. Leaf size=184 \[ -\frac {3 \sqrt {\frac {\pi }{2}} b^{3/2} e^{\frac {2 a}{b}} \text {erf}\left (\frac {\sqrt {2} \sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )}{64 c^2}+\frac {3 \sqrt {\frac {\pi }{2}} b^{3/2} e^{-\frac {2 a}{b}} \text {erfi}\left (\frac {\sqrt {2} \sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )}{64 c^2}-\frac {\left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{4 c^2}+\frac {1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}-\frac {3 b x \sqrt {c x-1} \sqrt {c x+1} \sqrt {a+b \cosh ^{-1}(c x)}}{8 c} \]
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Rubi [A] time = 0.82, antiderivative size = 184, normalized size of antiderivative = 1.00, number of steps used = 11, number of rules used = 10, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.714, Rules used = {5664, 5759, 5676, 5670, 5448, 12, 3308, 2180, 2204, 2205} \[ -\frac {3 \sqrt {\frac {\pi }{2}} b^{3/2} e^{\frac {2 a}{b}} \text {Erf}\left (\frac {\sqrt {2} \sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )}{64 c^2}+\frac {3 \sqrt {\frac {\pi }{2}} b^{3/2} e^{-\frac {2 a}{b}} \text {Erfi}\left (\frac {\sqrt {2} \sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )}{64 c^2}-\frac {\left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{4 c^2}+\frac {1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}-\frac {3 b x \sqrt {c x-1} \sqrt {c x+1} \sqrt {a+b \cosh ^{-1}(c x)}}{8 c} \]
Antiderivative was successfully verified.
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Rule 12
Rule 2180
Rule 2204
Rule 2205
Rule 3308
Rule 5448
Rule 5664
Rule 5670
Rule 5676
Rule 5759
Rubi steps
\begin {align*} \int x \left (a+b \cosh ^{-1}(c x)\right )^{3/2} \, dx &=\frac {1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}-\frac {1}{4} (3 b c) \int \frac {x^2 \sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {-1+c x} \sqrt {1+c x}} \, dx\\ &=-\frac {3 b x \sqrt {-1+c x} \sqrt {1+c x} \sqrt {a+b \cosh ^{-1}(c x)}}{8 c}+\frac {1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}+\frac {1}{16} \left (3 b^2\right ) \int \frac {x}{\sqrt {a+b \cosh ^{-1}(c x)}} \, dx-\frac {(3 b) \int \frac {\sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {-1+c x} \sqrt {1+c x}} \, dx}{8 c}\\ &=-\frac {3 b x \sqrt {-1+c x} \sqrt {1+c x} \sqrt {a+b \cosh ^{-1}(c x)}}{8 c}-\frac {\left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{4 c^2}+\frac {1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}+\frac {\left (3 b^2\right ) \operatorname {Subst}\left (\int \frac {\cosh (x) \sinh (x)}{\sqrt {a+b x}} \, dx,x,\cosh ^{-1}(c x)\right )}{16 c^2}\\ &=-\frac {3 b x \sqrt {-1+c x} \sqrt {1+c x} \sqrt {a+b \cosh ^{-1}(c x)}}{8 c}-\frac {\left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{4 c^2}+\frac {1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}+\frac {\left (3 b^2\right ) \operatorname {Subst}\left (\int \frac {\sinh (2 x)}{2 \sqrt {a+b x}} \, dx,x,\cosh ^{-1}(c x)\right )}{16 c^2}\\ &=-\frac {3 b x \sqrt {-1+c x} \sqrt {1+c x} \sqrt {a+b \cosh ^{-1}(c x)}}{8 c}-\frac {\left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{4 c^2}+\frac {1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}+\frac {\left (3 b^2\right ) \operatorname {Subst}\left (\int \frac {\sinh (2 x)}{\sqrt {a+b x}} \, dx,x,\cosh ^{-1}(c x)\right )}{32 c^2}\\ &=-\frac {3 b x \sqrt {-1+c x} \sqrt {1+c x} \sqrt {a+b \cosh ^{-1}(c x)}}{8 c}-\frac {\left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{4 c^2}+\frac {1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}-\frac {\left (3 b^2\right ) \operatorname {Subst}\left (\int \frac {e^{-2 x}}{\sqrt {a+b x}} \, dx,x,\cosh ^{-1}(c x)\right )}{64 c^2}+\frac {\left (3 b^2\right ) \operatorname {Subst}\left (\int \frac {e^{2 x}}{\sqrt {a+b x}} \, dx,x,\cosh ^{-1}(c x)\right )}{64 c^2}\\ &=-\frac {3 b x \sqrt {-1+c x} \sqrt {1+c x} \sqrt {a+b \cosh ^{-1}(c x)}}{8 c}-\frac {\left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{4 c^2}+\frac {1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}-\frac {(3 b) \operatorname {Subst}\left (\int e^{\frac {2 a}{b}-\frac {2 x^2}{b}} \, dx,x,\sqrt {a+b \cosh ^{-1}(c x)}\right )}{32 c^2}+\frac {(3 b) \operatorname {Subst}\left (\int e^{-\frac {2 a}{b}+\frac {2 x^2}{b}} \, dx,x,\sqrt {a+b \cosh ^{-1}(c x)}\right )}{32 c^2}\\ &=-\frac {3 b x \sqrt {-1+c x} \sqrt {1+c x} \sqrt {a+b \cosh ^{-1}(c x)}}{8 c}-\frac {\left (a+b \cosh ^{-1}(c x)\right )^{3/2}}{4 c^2}+\frac {1}{2} x^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}-\frac {3 b^{3/2} e^{\frac {2 a}{b}} \sqrt {\frac {\pi }{2}} \text {erf}\left (\frac {\sqrt {2} \sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )}{64 c^2}+\frac {3 b^{3/2} e^{-\frac {2 a}{b}} \sqrt {\frac {\pi }{2}} \text {erfi}\left (\frac {\sqrt {2} \sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )}{64 c^2}\\ \end {align*}
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Mathematica [A] time = 1.11, size = 165, normalized size = 0.90 \[ \frac {-3 \sqrt {2 \pi } b^{3/2} \left (\sinh \left (\frac {2 a}{b}\right )+\cosh \left (\frac {2 a}{b}\right )\right ) \text {erf}\left (\frac {\sqrt {2} \sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )+3 \sqrt {2 \pi } b^{3/2} \left (\cosh \left (\frac {2 a}{b}\right )-\sinh \left (\frac {2 a}{b}\right )\right ) \text {erfi}\left (\frac {\sqrt {2} \sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )+8 \sqrt {a+b \cosh ^{-1}(c x)} \left (4 a \cosh \left (2 \cosh ^{-1}(c x)\right )+4 b \cosh ^{-1}(c x) \cosh \left (2 \cosh ^{-1}(c x)\right )-3 b \sinh \left (2 \cosh ^{-1}(c x)\right )\right )}{128 c^2} \]
Warning: Unable to verify antiderivative.
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fricas [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: TypeError} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int {\left (b \operatorname {arcosh}\left (c x\right ) + a\right )}^{\frac {3}{2}} x\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.16, size = 0, normalized size = 0.00 \[ \int x \left (a +b \,\mathrm {arccosh}\left (c x \right )\right )^{\frac {3}{2}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int {\left (b \operatorname {arcosh}\left (c x\right ) + a\right )}^{\frac {3}{2}} x\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int x\,{\left (a+b\,\mathrm {acosh}\left (c\,x\right )\right )}^{3/2} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int x \left (a + b \operatorname {acosh}{\left (c x \right )}\right )^{\frac {3}{2}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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