Integrand size = 28, antiderivative size = 237 \[ \int \frac {x^3}{\sqrt {1-c^2 x^2} (a+b \text {arccosh}(c x))^2} \, dx=-\frac {x^3 \sqrt {-1+c x}}{b c \sqrt {1-c x} (a+b \text {arccosh}(c x))}-\frac {3 \sqrt {-1+c x} \text {Chi}\left (\frac {a+b \text {arccosh}(c x)}{b}\right ) \sinh \left (\frac {a}{b}\right )}{4 b^2 c^4 \sqrt {1-c x}}-\frac {3 \sqrt {-1+c x} \text {Chi}\left (\frac {3 (a+b \text {arccosh}(c x))}{b}\right ) \sinh \left (\frac {3 a}{b}\right )}{4 b^2 c^4 \sqrt {1-c x}}+\frac {3 \sqrt {-1+c x} \cosh \left (\frac {a}{b}\right ) \text {Shi}\left (\frac {a+b \text {arccosh}(c x)}{b}\right )}{4 b^2 c^4 \sqrt {1-c x}}+\frac {3 \sqrt {-1+c x} \cosh \left (\frac {3 a}{b}\right ) \text {Shi}\left (\frac {3 (a+b \text {arccosh}(c x))}{b}\right )}{4 b^2 c^4 \sqrt {1-c x}} \]
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Time = 0.24 (sec) , antiderivative size = 237, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.214, Rules used = {5950, 5887, 5556, 3384, 3379, 3382} \[ \int \frac {x^3}{\sqrt {1-c^2 x^2} (a+b \text {arccosh}(c x))^2} \, dx=-\frac {3 \sqrt {c x-1} \sinh \left (\frac {a}{b}\right ) \text {Chi}\left (\frac {a+b \text {arccosh}(c x)}{b}\right )}{4 b^2 c^4 \sqrt {1-c x}}-\frac {3 \sqrt {c x-1} \sinh \left (\frac {3 a}{b}\right ) \text {Chi}\left (\frac {3 (a+b \text {arccosh}(c x))}{b}\right )}{4 b^2 c^4 \sqrt {1-c x}}+\frac {3 \sqrt {c x-1} \cosh \left (\frac {a}{b}\right ) \text {Shi}\left (\frac {a+b \text {arccosh}(c x)}{b}\right )}{4 b^2 c^4 \sqrt {1-c x}}+\frac {3 \sqrt {c x-1} \cosh \left (\frac {3 a}{b}\right ) \text {Shi}\left (\frac {3 (a+b \text {arccosh}(c x))}{b}\right )}{4 b^2 c^4 \sqrt {1-c x}}-\frac {x^3 \sqrt {c x-1}}{b c \sqrt {1-c x} (a+b \text {arccosh}(c x))} \]
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Rule 3379
Rule 3382
Rule 3384
Rule 5556
Rule 5887
Rule 5950
Rubi steps \begin{align*} \text {integral}& = -\frac {x^3 \sqrt {-1+c x}}{b c \sqrt {1-c x} (a+b \text {arccosh}(c x))}+\frac {\left (3 \sqrt {-1+c x}\right ) \int \frac {x^2}{a+b \text {arccosh}(c x)} \, dx}{b c \sqrt {1-c x}} \\ & = -\frac {x^3 \sqrt {-1+c x}}{b c \sqrt {1-c x} (a+b \text {arccosh}(c x))}-\frac {\left (3 \sqrt {-1+c x}\right ) \text {Subst}\left (\int \frac {\cosh ^2\left (\frac {a}{b}-\frac {x}{b}\right ) \sinh \left (\frac {a}{b}-\frac {x}{b}\right )}{x} \, dx,x,a+b \text {arccosh}(c x)\right )}{b^2 c^4 \sqrt {1-c x}} \\ & = -\frac {x^3 \sqrt {-1+c x}}{b c \sqrt {1-c x} (a+b \text {arccosh}(c x))}-\frac {\left (3 \sqrt {-1+c x}\right ) \text {Subst}\left (\int \left (\frac {\sinh \left (\frac {3 a}{b}-\frac {3 x}{b}\right )}{4 x}+\frac {\sinh \left (\frac {a}{b}-\frac {x}{b}\right )}{4 x}\right ) \, dx,x,a+b \text {arccosh}(c x)\right )}{b^2 c^4 \sqrt {1-c x}} \\ & = -\frac {x^3 \sqrt {-1+c x}}{b c \sqrt {1-c x} (a+b \text {arccosh}(c x))}-\frac {\left (3 \sqrt {-1+c x}\right ) \text {Subst}\left (\int \frac {\sinh \left (\frac {3 a}{b}-\frac {3 x}{b}\right )}{x} \, dx,x,a+b \text {arccosh}(c x)\right )}{4 b^2 c^4 \sqrt {1-c x}}-\frac {\left (3 \sqrt {-1+c x}\right ) \text {Subst}\left (\int \frac {\sinh \left (\frac {a}{b}-\frac {x}{b}\right )}{x} \, dx,x,a+b \text {arccosh}(c x)\right )}{4 b^2 c^4 \sqrt {1-c x}} \\ & = -\frac {x^3 \sqrt {-1+c x}}{b c \sqrt {1-c x} (a+b \text {arccosh}(c x))}+\frac {\left (3 \sqrt {-1+c x} \cosh \left (\frac {a}{b}\right )\right ) \text {Subst}\left (\int \frac {\sinh \left (\frac {x}{b}\right )}{x} \, dx,x,a+b \text {arccosh}(c x)\right )}{4 b^2 c^4 \sqrt {1-c x}}+\frac {\left (3 \sqrt {-1+c x} \cosh \left (\frac {3 a}{b}\right )\right ) \text {Subst}\left (\int \frac {\sinh \left (\frac {3 x}{b}\right )}{x} \, dx,x,a+b \text {arccosh}(c x)\right )}{4 b^2 c^4 \sqrt {1-c x}}-\frac {\left (3 \sqrt {-1+c x} \sinh \left (\frac {a}{b}\right )\right ) \text {Subst}\left (\int \frac {\cosh \left (\frac {x}{b}\right )}{x} \, dx,x,a+b \text {arccosh}(c x)\right )}{4 b^2 c^4 \sqrt {1-c x}}-\frac {\left (3 \sqrt {-1+c x} \sinh \left (\frac {3 a}{b}\right )\right ) \text {Subst}\left (\int \frac {\cosh \left (\frac {3 x}{b}\right )}{x} \, dx,x,a+b \text {arccosh}(c x)\right )}{4 b^2 c^4 \sqrt {1-c x}} \\ & = -\frac {x^3 \sqrt {-1+c x}}{b c \sqrt {1-c x} (a+b \text {arccosh}(c x))}-\frac {3 \sqrt {-1+c x} \text {Chi}\left (\frac {a+b \text {arccosh}(c x)}{b}\right ) \sinh \left (\frac {a}{b}\right )}{4 b^2 c^4 \sqrt {1-c x}}-\frac {3 \sqrt {-1+c x} \text {Chi}\left (\frac {3 (a+b \text {arccosh}(c x))}{b}\right ) \sinh \left (\frac {3 a}{b}\right )}{4 b^2 c^4 \sqrt {1-c x}}+\frac {3 \sqrt {-1+c x} \cosh \left (\frac {a}{b}\right ) \text {Shi}\left (\frac {a+b \text {arccosh}(c x)}{b}\right )}{4 b^2 c^4 \sqrt {1-c x}}+\frac {3 \sqrt {-1+c x} \cosh \left (\frac {3 a}{b}\right ) \text {Shi}\left (\frac {3 (a+b \text {arccosh}(c x))}{b}\right )}{4 b^2 c^4 \sqrt {1-c x}} \\ \end{align*}
Time = 0.33 (sec) , antiderivative size = 144, normalized size of antiderivative = 0.61 \[ \int \frac {x^3}{\sqrt {1-c^2 x^2} (a+b \text {arccosh}(c x))^2} \, dx=\frac {\sqrt {1-c^2 x^2} \left (\frac {4 b c^3 x^3}{a+b \text {arccosh}(c x)}+3 \text {Chi}\left (\frac {a}{b}+\text {arccosh}(c x)\right ) \sinh \left (\frac {a}{b}\right )+3 \text {Chi}\left (3 \left (\frac {a}{b}+\text {arccosh}(c x)\right )\right ) \sinh \left (\frac {3 a}{b}\right )-3 \cosh \left (\frac {a}{b}\right ) \text {Shi}\left (\frac {a}{b}+\text {arccosh}(c x)\right )-3 \cosh \left (\frac {3 a}{b}\right ) \text {Shi}\left (3 \left (\frac {a}{b}+\text {arccosh}(c x)\right )\right )\right )}{4 b^2 c^4 \sqrt {-1+c x} \sqrt {1+c x}} \]
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Time = 1.17 (sec) , antiderivative size = 375, normalized size of antiderivative = 1.58
method | result | size |
default | \(\frac {\sqrt {-c^{2} x^{2}+1}\, \left (\sqrt {c x -1}\, \sqrt {c x +1}\, c x +c^{2} x^{2}-1\right ) \left (-8 \sqrt {c x -1}\, \sqrt {c x +1}\, b \,c^{3} x^{3}+8 b \,c^{4} x^{4}+3 \,\operatorname {arccosh}\left (c x \right ) b \,\operatorname {Ei}_{1}\left (-3 \,\operatorname {arccosh}\left (c x \right )-\frac {3 a}{b}\right ) {\mathrm e}^{-\frac {b \,\operatorname {arccosh}\left (c x \right )+3 a}{b}}+3 \,\operatorname {arccosh}\left (c x \right ) b \,\operatorname {Ei}_{1}\left (-\operatorname {arccosh}\left (c x \right )-\frac {a}{b}\right ) {\mathrm e}^{-\frac {a +b \,\operatorname {arccosh}\left (c x \right )}{b}}-3 \,\operatorname {Ei}_{1}\left (3 \,\operatorname {arccosh}\left (c x \right )+\frac {3 a}{b}\right ) {\mathrm e}^{\frac {-b \,\operatorname {arccosh}\left (c x \right )+3 a}{b}} b \,\operatorname {arccosh}\left (c x \right )-3 \,\operatorname {Ei}_{1}\left (\operatorname {arccosh}\left (c x \right )+\frac {a}{b}\right ) {\mathrm e}^{\frac {-b \,\operatorname {arccosh}\left (c x \right )+a}{b}} b \,\operatorname {arccosh}\left (c x \right )+3 a \,\operatorname {Ei}_{1}\left (-3 \,\operatorname {arccosh}\left (c x \right )-\frac {3 a}{b}\right ) {\mathrm e}^{-\frac {b \,\operatorname {arccosh}\left (c x \right )+3 a}{b}}+3 a \,\operatorname {Ei}_{1}\left (-\operatorname {arccosh}\left (c x \right )-\frac {a}{b}\right ) {\mathrm e}^{-\frac {a +b \,\operatorname {arccosh}\left (c x \right )}{b}}-3 \,\operatorname {Ei}_{1}\left (3 \,\operatorname {arccosh}\left (c x \right )+\frac {3 a}{b}\right ) {\mathrm e}^{\frac {-b \,\operatorname {arccosh}\left (c x \right )+3 a}{b}} a -3 \,\operatorname {Ei}_{1}\left (\operatorname {arccosh}\left (c x \right )+\frac {a}{b}\right ) {\mathrm e}^{\frac {-b \,\operatorname {arccosh}\left (c x \right )+a}{b}} a \right )}{8 c^{4} \left (c^{2} x^{2}-1\right ) b^{2} \left (a +b \,\operatorname {arccosh}\left (c x \right )\right )}\) | \(375\) |
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\[ \int \frac {x^3}{\sqrt {1-c^2 x^2} (a+b \text {arccosh}(c x))^2} \, dx=\int { \frac {x^{3}}{\sqrt {-c^{2} x^{2} + 1} {\left (b \operatorname {arcosh}\left (c x\right ) + a\right )}^{2}} \,d x } \]
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\[ \int \frac {x^3}{\sqrt {1-c^2 x^2} (a+b \text {arccosh}(c x))^2} \, dx=\int \frac {x^{3}}{\sqrt {- \left (c x - 1\right ) \left (c x + 1\right )} \left (a + b \operatorname {acosh}{\left (c x \right )}\right )^{2}}\, dx \]
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\[ \int \frac {x^3}{\sqrt {1-c^2 x^2} (a+b \text {arccosh}(c x))^2} \, dx=\int { \frac {x^{3}}{\sqrt {-c^{2} x^{2} + 1} {\left (b \operatorname {arcosh}\left (c x\right ) + a\right )}^{2}} \,d x } \]
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Exception generated. \[ \int \frac {x^3}{\sqrt {1-c^2 x^2} (a+b \text {arccosh}(c x))^2} \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \frac {x^3}{\sqrt {1-c^2 x^2} (a+b \text {arccosh}(c x))^2} \, dx=\int \frac {x^3}{{\left (a+b\,\mathrm {acosh}\left (c\,x\right )\right )}^2\,\sqrt {1-c^2\,x^2}} \,d x \]
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