Integrand size = 12, antiderivative size = 102 \[ \int \sqrt {a+b \text {arcsinh}(c x)} \, dx=x \sqrt {a+b \text {arcsinh}(c x)}+\frac {\sqrt {b} e^{a/b} \sqrt {\pi } \text {erf}\left (\frac {\sqrt {a+b \text {arcsinh}(c x)}}{\sqrt {b}}\right )}{4 c}-\frac {\sqrt {b} e^{-\frac {a}{b}} \sqrt {\pi } \text {erfi}\left (\frac {\sqrt {a+b \text {arcsinh}(c x)}}{\sqrt {b}}\right )}{4 c} \]
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Time = 0.16 (sec) , antiderivative size = 102, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {5772, 5819, 3389, 2211, 2236, 2235} \[ \int \sqrt {a+b \text {arcsinh}(c x)} \, dx=\frac {\sqrt {\pi } \sqrt {b} e^{a/b} \text {erf}\left (\frac {\sqrt {a+b \text {arcsinh}(c x)}}{\sqrt {b}}\right )}{4 c}-\frac {\sqrt {\pi } \sqrt {b} e^{-\frac {a}{b}} \text {erfi}\left (\frac {\sqrt {a+b \text {arcsinh}(c x)}}{\sqrt {b}}\right )}{4 c}+x \sqrt {a+b \text {arcsinh}(c x)} \]
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Rule 2211
Rule 2235
Rule 2236
Rule 3389
Rule 5772
Rule 5819
Rubi steps \begin{align*} \text {integral}& = x \sqrt {a+b \text {arcsinh}(c x)}-\frac {1}{2} (b c) \int \frac {x}{\sqrt {1+c^2 x^2} \sqrt {a+b \text {arcsinh}(c x)}} \, dx \\ & = x \sqrt {a+b \text {arcsinh}(c x)}+\frac {\text {Subst}\left (\int \frac {\sinh \left (\frac {a}{b}-\frac {x}{b}\right )}{\sqrt {x}} \, dx,x,a+b \text {arcsinh}(c x)\right )}{2 c} \\ & = x \sqrt {a+b \text {arcsinh}(c x)}+\frac {\text {Subst}\left (\int \frac {e^{-i \left (\frac {i a}{b}-\frac {i x}{b}\right )}}{\sqrt {x}} \, dx,x,a+b \text {arcsinh}(c x)\right )}{4 c}-\frac {\text {Subst}\left (\int \frac {e^{i \left (\frac {i a}{b}-\frac {i x}{b}\right )}}{\sqrt {x}} \, dx,x,a+b \text {arcsinh}(c x)\right )}{4 c} \\ & = x \sqrt {a+b \text {arcsinh}(c x)}+\frac {\text {Subst}\left (\int e^{\frac {a}{b}-\frac {x^2}{b}} \, dx,x,\sqrt {a+b \text {arcsinh}(c x)}\right )}{2 c}-\frac {\text {Subst}\left (\int e^{-\frac {a}{b}+\frac {x^2}{b}} \, dx,x,\sqrt {a+b \text {arcsinh}(c x)}\right )}{2 c} \\ & = x \sqrt {a+b \text {arcsinh}(c x)}+\frac {\sqrt {b} e^{a/b} \sqrt {\pi } \text {erf}\left (\frac {\sqrt {a+b \text {arcsinh}(c x)}}{\sqrt {b}}\right )}{4 c}-\frac {\sqrt {b} e^{-\frac {a}{b}} \sqrt {\pi } \text {erfi}\left (\frac {\sqrt {a+b \text {arcsinh}(c x)}}{\sqrt {b}}\right )}{4 c} \\ \end{align*}
Time = 0.19 (sec) , antiderivative size = 101, normalized size of antiderivative = 0.99 \[ \int \sqrt {a+b \text {arcsinh}(c x)} \, dx=\frac {e^{-\frac {a}{b}} \sqrt {a+b \text {arcsinh}(c x)} \left (-\frac {e^{\frac {2 a}{b}} \Gamma \left (\frac {3}{2},\frac {a}{b}+\text {arcsinh}(c x)\right )}{\sqrt {\frac {a}{b}+\text {arcsinh}(c x)}}+\frac {\Gamma \left (\frac {3}{2},-\frac {a+b \text {arcsinh}(c x)}{b}\right )}{\sqrt {-\frac {a+b \text {arcsinh}(c x)}{b}}}\right )}{2 c} \]
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\[\int \sqrt {a +b \,\operatorname {arcsinh}\left (c x \right )}d x\]
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Exception generated. \[ \int \sqrt {a+b \text {arcsinh}(c x)} \, dx=\text {Exception raised: TypeError} \]
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\[ \int \sqrt {a+b \text {arcsinh}(c x)} \, dx=\int \sqrt {a + b \operatorname {asinh}{\left (c x \right )}}\, dx \]
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\[ \int \sqrt {a+b \text {arcsinh}(c x)} \, dx=\int { \sqrt {b \operatorname {arsinh}\left (c x\right ) + a} \,d x } \]
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\[ \int \sqrt {a+b \text {arcsinh}(c x)} \, dx=\int { \sqrt {b \operatorname {arsinh}\left (c x\right ) + a} \,d x } \]
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Timed out. \[ \int \sqrt {a+b \text {arcsinh}(c x)} \, dx=\int \sqrt {a+b\,\mathrm {asinh}\left (c\,x\right )} \,d x \]
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