Optimal. Leaf size=201 \[ \frac {2 \sqrt {2 \pi } \sqrt {c-a^2 c x^2} \text {erf}\left (\sqrt {2} \sqrt {\cosh ^{-1}(a x)}\right )}{3 a \sqrt {a x-1} \sqrt {a x+1}}+\frac {2 \sqrt {2 \pi } \sqrt {c-a^2 c x^2} \text {erfi}\left (\sqrt {2} \sqrt {\cosh ^{-1}(a x)}\right )}{3 a \sqrt {a x-1} \sqrt {a x+1}}-\frac {8 x \sqrt {c-a^2 c x^2}}{3 \sqrt {\cosh ^{-1}(a x)}}-\frac {2 \sqrt {a x-1} \sqrt {a x+1} \sqrt {c-a^2 c x^2}}{3 a \cosh ^{-1}(a x)^{3/2}} \]
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Rubi [A] time = 0.22, antiderivative size = 207, normalized size of antiderivative = 1.03, number of steps used = 8, number of rules used = 7, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.292, Rules used = {5713, 5697, 5666, 3307, 2180, 2204, 2205} \[ \frac {2 \sqrt {2 \pi } \sqrt {c-a^2 c x^2} \text {Erf}\left (\sqrt {2} \sqrt {\cosh ^{-1}(a x)}\right )}{3 a \sqrt {a x-1} \sqrt {a x+1}}+\frac {2 \sqrt {2 \pi } \sqrt {c-a^2 c x^2} \text {Erfi}\left (\sqrt {2} \sqrt {\cosh ^{-1}(a x)}\right )}{3 a \sqrt {a x-1} \sqrt {a x+1}}-\frac {8 x \sqrt {c-a^2 c x^2}}{3 \sqrt {\cosh ^{-1}(a x)}}+\frac {2 (1-a x) \sqrt {a x+1} \sqrt {c-a^2 c x^2}}{3 a \sqrt {a x-1} \cosh ^{-1}(a x)^{3/2}} \]
Antiderivative was successfully verified.
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Rule 2180
Rule 2204
Rule 2205
Rule 3307
Rule 5666
Rule 5697
Rule 5713
Rubi steps
\begin {align*} \int \frac {\sqrt {c-a^2 c x^2}}{\cosh ^{-1}(a x)^{5/2}} \, dx &=\frac {\sqrt {c-a^2 c x^2} \int \frac {\sqrt {-1+a x} \sqrt {1+a x}}{\cosh ^{-1}(a x)^{5/2}} \, dx}{\sqrt {-1+a x} \sqrt {1+a x}}\\ &=\frac {2 (1-a x) \sqrt {1+a x} \sqrt {c-a^2 c x^2}}{3 a \sqrt {-1+a x} \cosh ^{-1}(a x)^{3/2}}+\frac {\left (4 a \sqrt {c-a^2 c x^2}\right ) \int \frac {x}{\cosh ^{-1}(a x)^{3/2}} \, dx}{3 \sqrt {-1+a x} \sqrt {1+a x}}\\ &=\frac {2 (1-a x) \sqrt {1+a x} \sqrt {c-a^2 c x^2}}{3 a \sqrt {-1+a x} \cosh ^{-1}(a x)^{3/2}}-\frac {8 x \sqrt {c-a^2 c x^2}}{3 \sqrt {\cosh ^{-1}(a x)}}+\frac {\left (8 \sqrt {c-a^2 c x^2}\right ) \operatorname {Subst}\left (\int \frac {\cosh (2 x)}{\sqrt {x}} \, dx,x,\cosh ^{-1}(a x)\right )}{3 a \sqrt {-1+a x} \sqrt {1+a x}}\\ &=\frac {2 (1-a x) \sqrt {1+a x} \sqrt {c-a^2 c x^2}}{3 a \sqrt {-1+a x} \cosh ^{-1}(a x)^{3/2}}-\frac {8 x \sqrt {c-a^2 c x^2}}{3 \sqrt {\cosh ^{-1}(a x)}}+\frac {\left (4 \sqrt {c-a^2 c x^2}\right ) \operatorname {Subst}\left (\int \frac {e^{-2 x}}{\sqrt {x}} \, dx,x,\cosh ^{-1}(a x)\right )}{3 a \sqrt {-1+a x} \sqrt {1+a x}}+\frac {\left (4 \sqrt {c-a^2 c x^2}\right ) \operatorname {Subst}\left (\int \frac {e^{2 x}}{\sqrt {x}} \, dx,x,\cosh ^{-1}(a x)\right )}{3 a \sqrt {-1+a x} \sqrt {1+a x}}\\ &=\frac {2 (1-a x) \sqrt {1+a x} \sqrt {c-a^2 c x^2}}{3 a \sqrt {-1+a x} \cosh ^{-1}(a x)^{3/2}}-\frac {8 x \sqrt {c-a^2 c x^2}}{3 \sqrt {\cosh ^{-1}(a x)}}+\frac {\left (8 \sqrt {c-a^2 c x^2}\right ) \operatorname {Subst}\left (\int e^{-2 x^2} \, dx,x,\sqrt {\cosh ^{-1}(a x)}\right )}{3 a \sqrt {-1+a x} \sqrt {1+a x}}+\frac {\left (8 \sqrt {c-a^2 c x^2}\right ) \operatorname {Subst}\left (\int e^{2 x^2} \, dx,x,\sqrt {\cosh ^{-1}(a x)}\right )}{3 a \sqrt {-1+a x} \sqrt {1+a x}}\\ &=\frac {2 (1-a x) \sqrt {1+a x} \sqrt {c-a^2 c x^2}}{3 a \sqrt {-1+a x} \cosh ^{-1}(a x)^{3/2}}-\frac {8 x \sqrt {c-a^2 c x^2}}{3 \sqrt {\cosh ^{-1}(a x)}}+\frac {2 \sqrt {2 \pi } \sqrt {c-a^2 c x^2} \text {erf}\left (\sqrt {2} \sqrt {\cosh ^{-1}(a x)}\right )}{3 a \sqrt {-1+a x} \sqrt {1+a x}}+\frac {2 \sqrt {2 \pi } \sqrt {c-a^2 c x^2} \text {erfi}\left (\sqrt {2} \sqrt {\cosh ^{-1}(a x)}\right )}{3 a \sqrt {-1+a x} \sqrt {1+a x}}\\ \end {align*}
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Mathematica [A] time = 0.32, size = 141, normalized size = 0.70 \[ -\frac {2 \sqrt {c-a^2 c x^2} \left ((a x+1) \left (a x+4 a x \sqrt {\frac {a x-1}{a x+1}} \cosh ^{-1}(a x)-1\right )+\sqrt {2} \left (-\cosh ^{-1}(a x)\right )^{3/2} \Gamma \left (\frac {1}{2},-2 \cosh ^{-1}(a x)\right )+\sqrt {2} \cosh ^{-1}(a x)^{3/2} \Gamma \left (\frac {1}{2},2 \cosh ^{-1}(a x)\right )\right )}{3 a \sqrt {\frac {a x-1}{a x+1}} (a x+1) \cosh ^{-1}(a x)^{3/2}} \]
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 \[ \int \frac {\sqrt {-a^{2} c x^{2} + c}}{\operatorname {arcosh}\left (a x\right )^{\frac {5}{2}}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.69, size = 0, normalized size = 0.00 \[ \int \frac {\sqrt {-a^{2} c \,x^{2}+c}}{\mathrm {arccosh}\left (a x \right )^{\frac {5}{2}}}\, dx \]
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 \[ \int \frac {\sqrt {-a^{2} c x^{2} + c}}{\operatorname {arcosh}\left (a x\right )^{\frac {5}{2}}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.00 \[ \int \frac {\sqrt {c-a^2\,c\,x^2}}{{\mathrm {acosh}\left (a\,x\right )}^{5/2}} \,d x \]
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 \[ \int \frac {\sqrt {- c \left (a x - 1\right ) \left (a x + 1\right )}}{\operatorname {acosh}^{\frac {5}{2}}{\left (a x \right )}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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