Optimal. Leaf size=188 \[ -\frac {2 \sqrt {-1+c x} \sqrt {1+c x}}{5 b c \left (a+b \cosh ^{-1}(c x)\right )^{5/2}}-\frac {4 x}{15 b^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}-\frac {8 \sqrt {-1+c x} \sqrt {1+c x}}{15 b^3 c \sqrt {a+b \cosh ^{-1}(c x)}}+\frac {4 e^{a/b} \sqrt {\pi } \text {Erf}\left (\frac {\sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )}{15 b^{7/2} c}+\frac {4 e^{-\frac {a}{b}} \sqrt {\pi } \text {Erfi}\left (\frac {\sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )}{15 b^{7/2} c} \]
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Rubi [A]
time = 0.48, antiderivative size = 188, normalized size of antiderivative = 1.00, number of steps
used = 9, number of rules used = 7, integrand size = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.583, Rules used = {5880, 5951,
5953, 3388, 2211, 2236, 2235} \begin {gather*} \frac {4 \sqrt {\pi } e^{a/b} \text {Erf}\left (\frac {\sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )}{15 b^{7/2} c}+\frac {4 \sqrt {\pi } e^{-\frac {a}{b}} \text {Erfi}\left (\frac {\sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )}{15 b^{7/2} c}-\frac {8 \sqrt {c x-1} \sqrt {c x+1}}{15 b^3 c \sqrt {a+b \cosh ^{-1}(c x)}}-\frac {4 x}{15 b^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}-\frac {2 \sqrt {c x-1} \sqrt {c x+1}}{5 b c \left (a+b \cosh ^{-1}(c x)\right )^{5/2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 2211
Rule 2235
Rule 2236
Rule 3388
Rule 5880
Rule 5951
Rule 5953
Rubi steps
\begin {align*} \int \frac {1}{\left (a+b \cosh ^{-1}(c x)\right )^{7/2}} \, dx &=-\frac {2 \sqrt {-1+c x} \sqrt {1+c x}}{5 b c \left (a+b \cosh ^{-1}(c x)\right )^{5/2}}+\frac {(2 c) \int \frac {x}{\sqrt {-1+c x} \sqrt {1+c x} \left (a+b \cosh ^{-1}(c x)\right )^{5/2}} \, dx}{5 b}\\ &=-\frac {2 \sqrt {-1+c x} \sqrt {1+c x}}{5 b c \left (a+b \cosh ^{-1}(c x)\right )^{5/2}}-\frac {4 x}{15 b^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}+\frac {4 \int \frac {1}{\left (a+b \cosh ^{-1}(c x)\right )^{3/2}} \, dx}{15 b^2}\\ &=-\frac {2 \sqrt {-1+c x} \sqrt {1+c x}}{5 b c \left (a+b \cosh ^{-1}(c x)\right )^{5/2}}-\frac {4 x}{15 b^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}-\frac {8 \sqrt {-1+c x} \sqrt {1+c x}}{15 b^3 c \sqrt {a+b \cosh ^{-1}(c x)}}+\frac {(8 c) \int \frac {x}{\sqrt {-1+c x} \sqrt {1+c x} \sqrt {a+b \cosh ^{-1}(c x)}} \, dx}{15 b^3}\\ &=-\frac {2 \sqrt {-1+c x} \sqrt {1+c x}}{5 b c \left (a+b \cosh ^{-1}(c x)\right )^{5/2}}-\frac {4 x}{15 b^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}-\frac {8 \sqrt {-1+c x} \sqrt {1+c x}}{15 b^3 c \sqrt {a+b \cosh ^{-1}(c x)}}+\frac {8 \text {Subst}\left (\int \frac {\cosh (x)}{\sqrt {a+b x}} \, dx,x,\cosh ^{-1}(c x)\right )}{15 b^3 c}\\ &=-\frac {2 \sqrt {-1+c x} \sqrt {1+c x}}{5 b c \left (a+b \cosh ^{-1}(c x)\right )^{5/2}}-\frac {4 x}{15 b^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}-\frac {8 \sqrt {-1+c x} \sqrt {1+c x}}{15 b^3 c \sqrt {a+b \cosh ^{-1}(c x)}}+\frac {4 \text {Subst}\left (\int \frac {e^{-x}}{\sqrt {a+b x}} \, dx,x,\cosh ^{-1}(c x)\right )}{15 b^3 c}+\frac {4 \text {Subst}\left (\int \frac {e^x}{\sqrt {a+b x}} \, dx,x,\cosh ^{-1}(c x)\right )}{15 b^3 c}\\ &=-\frac {2 \sqrt {-1+c x} \sqrt {1+c x}}{5 b c \left (a+b \cosh ^{-1}(c x)\right )^{5/2}}-\frac {4 x}{15 b^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}-\frac {8 \sqrt {-1+c x} \sqrt {1+c x}}{15 b^3 c \sqrt {a+b \cosh ^{-1}(c x)}}+\frac {8 \text {Subst}\left (\int e^{\frac {a}{b}-\frac {x^2}{b}} \, dx,x,\sqrt {a+b \cosh ^{-1}(c x)}\right )}{15 b^4 c}+\frac {8 \text {Subst}\left (\int e^{-\frac {a}{b}+\frac {x^2}{b}} \, dx,x,\sqrt {a+b \cosh ^{-1}(c x)}\right )}{15 b^4 c}\\ &=-\frac {2 \sqrt {-1+c x} \sqrt {1+c x}}{5 b c \left (a+b \cosh ^{-1}(c x)\right )^{5/2}}-\frac {4 x}{15 b^2 \left (a+b \cosh ^{-1}(c x)\right )^{3/2}}-\frac {8 \sqrt {-1+c x} \sqrt {1+c x}}{15 b^3 c \sqrt {a+b \cosh ^{-1}(c x)}}+\frac {4 e^{a/b} \sqrt {\pi } \text {erf}\left (\frac {\sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )}{15 b^{7/2} c}+\frac {4 e^{-\frac {a}{b}} \sqrt {\pi } \text {erfi}\left (\frac {\sqrt {a+b \cosh ^{-1}(c x)}}{\sqrt {b}}\right )}{15 b^{7/2} c}\\ \end {align*}
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Mathematica [A]
time = 0.49, size = 214, normalized size = 1.14 \begin {gather*} \frac {-6 \sqrt {\frac {-1+c x}{1+c x}} (1+c x)-\frac {2 e^{-\cosh ^{-1}(c x)} \left (a+b \cosh ^{-1}(c x)\right ) \left (-2 a+b-2 b \cosh ^{-1}(c x)+2 e^{\frac {a}{b}+\cosh ^{-1}(c x)} \sqrt {\frac {a}{b}+\cosh ^{-1}(c x)} \left (a+b \cosh ^{-1}(c x)\right ) \Gamma \left (\frac {1}{2},\frac {a}{b}+\cosh ^{-1}(c x)\right )\right )}{b^2}-\frac {2 e^{-\frac {a}{b}} \left (a+b \cosh ^{-1}(c x)\right ) \left (e^{\frac {a}{b}+\cosh ^{-1}(c x)} \left (2 a+b+2 b \cosh ^{-1}(c x)\right )+2 b \left (-\frac {a+b \cosh ^{-1}(c x)}{b}\right )^{3/2} \Gamma \left (\frac {1}{2},-\frac {a+b \cosh ^{-1}(c x)}{b}\right )\right )}{b^2}}{15 b c \left (a+b \cosh ^{-1}(c x)\right )^{5/2}} \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [F]
time = 180.00, size = 0, normalized size = 0.00 \[\int \frac {1}{\left (a +b \,\mathrm {arccosh}\left (c x \right )\right )^{\frac {7}{2}}}\, dx\]
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 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: TypeError} \end {gather*}
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 \begin {gather*} \int \frac {1}{\left (a + b \operatorname {acosh}{\left (c x \right )}\right )^{\frac {7}{2}}}\, dx \end {gather*}
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 \begin {gather*} \text {could not integrate} \end {gather*}
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 \begin {gather*} \int \frac {1}{{\left (a+b\,\mathrm {acosh}\left (c\,x\right )\right )}^{7/2}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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