Integrand size = 26, antiderivative size = 192 \[ \int \frac {x^4 (a+b \text {arcsinh}(c x))}{\sqrt {d+c^2 d x^2}} \, dx=\frac {3 b x^2 \sqrt {1+c^2 x^2}}{16 c^3 \sqrt {d+c^2 d x^2}}-\frac {b x^4 \sqrt {1+c^2 x^2}}{16 c \sqrt {d+c^2 d x^2}}-\frac {3 x \sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))}{8 c^4 d}+\frac {x^3 \sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))}{4 c^2 d}+\frac {3 \sqrt {1+c^2 x^2} (a+b \text {arcsinh}(c x))^2}{16 b c^5 \sqrt {d+c^2 d x^2}} \]
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Time = 0.16 (sec) , antiderivative size = 192, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.115, Rules used = {5812, 5783, 30} \[ \int \frac {x^4 (a+b \text {arcsinh}(c x))}{\sqrt {d+c^2 d x^2}} \, dx=\frac {x^3 \sqrt {c^2 d x^2+d} (a+b \text {arcsinh}(c x))}{4 c^2 d}+\frac {3 \sqrt {c^2 x^2+1} (a+b \text {arcsinh}(c x))^2}{16 b c^5 \sqrt {c^2 d x^2+d}}-\frac {3 x \sqrt {c^2 d x^2+d} (a+b \text {arcsinh}(c x))}{8 c^4 d}-\frac {b x^4 \sqrt {c^2 x^2+1}}{16 c \sqrt {c^2 d x^2+d}}+\frac {3 b x^2 \sqrt {c^2 x^2+1}}{16 c^3 \sqrt {c^2 d x^2+d}} \]
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Rule 30
Rule 5783
Rule 5812
Rubi steps \begin{align*} \text {integral}& = \frac {x^3 \sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))}{4 c^2 d}-\frac {3 \int \frac {x^2 (a+b \text {arcsinh}(c x))}{\sqrt {d+c^2 d x^2}} \, dx}{4 c^2}-\frac {\left (b \sqrt {1+c^2 x^2}\right ) \int x^3 \, dx}{4 c \sqrt {d+c^2 d x^2}} \\ & = -\frac {b x^4 \sqrt {1+c^2 x^2}}{16 c \sqrt {d+c^2 d x^2}}-\frac {3 x \sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))}{8 c^4 d}+\frac {x^3 \sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))}{4 c^2 d}+\frac {3 \int \frac {a+b \text {arcsinh}(c x)}{\sqrt {d+c^2 d x^2}} \, dx}{8 c^4}+\frac {\left (3 b \sqrt {1+c^2 x^2}\right ) \int x \, dx}{8 c^3 \sqrt {d+c^2 d x^2}} \\ & = \frac {3 b x^2 \sqrt {1+c^2 x^2}}{16 c^3 \sqrt {d+c^2 d x^2}}-\frac {b x^4 \sqrt {1+c^2 x^2}}{16 c \sqrt {d+c^2 d x^2}}-\frac {3 x \sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))}{8 c^4 d}+\frac {x^3 \sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))}{4 c^2 d}+\frac {3 \sqrt {1+c^2 x^2} (a+b \text {arcsinh}(c x))^2}{16 b c^5 \sqrt {d+c^2 d x^2}} \\ \end{align*}
Time = 0.69 (sec) , antiderivative size = 151, normalized size of antiderivative = 0.79 \[ \int \frac {x^4 (a+b \text {arcsinh}(c x))}{\sqrt {d+c^2 d x^2}} \, dx=\frac {\frac {16 a c x \left (-3+2 c^2 x^2\right ) \sqrt {d+c^2 d x^2}}{d}+\frac {48 a \log \left (c d x+\sqrt {d} \sqrt {d+c^2 d x^2}\right )}{\sqrt {d}}+\frac {b \sqrt {1+c^2 x^2} (16 \cosh (2 \text {arcsinh}(c x))-\cosh (4 \text {arcsinh}(c x))+4 \text {arcsinh}(c x) (6 \text {arcsinh}(c x)-8 \sinh (2 \text {arcsinh}(c x))+\sinh (4 \text {arcsinh}(c x))))}{\sqrt {d+c^2 d x^2}}}{128 c^5} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(518\) vs. \(2(166)=332\).
Time = 0.20 (sec) , antiderivative size = 519, normalized size of antiderivative = 2.70
method | result | size |
default | \(\frac {a \,x^{3} \sqrt {c^{2} d \,x^{2}+d}}{4 c^{2} d}-\frac {3 a x \sqrt {c^{2} d \,x^{2}+d}}{8 c^{4} d}+\frac {3 a \ln \left (\frac {c^{2} d x}{\sqrt {c^{2} d}}+\sqrt {c^{2} d \,x^{2}+d}\right )}{8 c^{4} \sqrt {c^{2} d}}+b \left (\frac {3 \sqrt {d \left (c^{2} x^{2}+1\right )}\, \operatorname {arcsinh}\left (c x \right )^{2}}{16 \sqrt {c^{2} x^{2}+1}\, c^{5} d}+\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (8 c^{5} x^{5}+8 c^{4} x^{4} \sqrt {c^{2} x^{2}+1}+12 c^{3} x^{3}+8 c^{2} x^{2} \sqrt {c^{2} x^{2}+1}+4 c x +\sqrt {c^{2} x^{2}+1}\right ) \left (-1+4 \,\operatorname {arcsinh}\left (c x \right )\right )}{256 c^{5} d \left (c^{2} x^{2}+1\right )}-\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (2 c^{3} x^{3}+2 c^{2} x^{2} \sqrt {c^{2} x^{2}+1}+2 c x +\sqrt {c^{2} x^{2}+1}\right ) \left (-1+2 \,\operatorname {arcsinh}\left (c x \right )\right )}{16 c^{5} d \left (c^{2} x^{2}+1\right )}-\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (2 c^{3} x^{3}-2 c^{2} x^{2} \sqrt {c^{2} x^{2}+1}+2 c x -\sqrt {c^{2} x^{2}+1}\right ) \left (1+2 \,\operatorname {arcsinh}\left (c x \right )\right )}{16 c^{5} d \left (c^{2} x^{2}+1\right )}+\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (8 c^{5} x^{5}-8 c^{4} x^{4} \sqrt {c^{2} x^{2}+1}+12 c^{3} x^{3}-8 c^{2} x^{2} \sqrt {c^{2} x^{2}+1}+4 c x -\sqrt {c^{2} x^{2}+1}\right ) \left (1+4 \,\operatorname {arcsinh}\left (c x \right )\right )}{256 c^{5} d \left (c^{2} x^{2}+1\right )}\right )\) | \(519\) |
parts | \(\frac {a \,x^{3} \sqrt {c^{2} d \,x^{2}+d}}{4 c^{2} d}-\frac {3 a x \sqrt {c^{2} d \,x^{2}+d}}{8 c^{4} d}+\frac {3 a \ln \left (\frac {c^{2} d x}{\sqrt {c^{2} d}}+\sqrt {c^{2} d \,x^{2}+d}\right )}{8 c^{4} \sqrt {c^{2} d}}+b \left (\frac {3 \sqrt {d \left (c^{2} x^{2}+1\right )}\, \operatorname {arcsinh}\left (c x \right )^{2}}{16 \sqrt {c^{2} x^{2}+1}\, c^{5} d}+\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (8 c^{5} x^{5}+8 c^{4} x^{4} \sqrt {c^{2} x^{2}+1}+12 c^{3} x^{3}+8 c^{2} x^{2} \sqrt {c^{2} x^{2}+1}+4 c x +\sqrt {c^{2} x^{2}+1}\right ) \left (-1+4 \,\operatorname {arcsinh}\left (c x \right )\right )}{256 c^{5} d \left (c^{2} x^{2}+1\right )}-\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (2 c^{3} x^{3}+2 c^{2} x^{2} \sqrt {c^{2} x^{2}+1}+2 c x +\sqrt {c^{2} x^{2}+1}\right ) \left (-1+2 \,\operatorname {arcsinh}\left (c x \right )\right )}{16 c^{5} d \left (c^{2} x^{2}+1\right )}-\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (2 c^{3} x^{3}-2 c^{2} x^{2} \sqrt {c^{2} x^{2}+1}+2 c x -\sqrt {c^{2} x^{2}+1}\right ) \left (1+2 \,\operatorname {arcsinh}\left (c x \right )\right )}{16 c^{5} d \left (c^{2} x^{2}+1\right )}+\frac {\sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (8 c^{5} x^{5}-8 c^{4} x^{4} \sqrt {c^{2} x^{2}+1}+12 c^{3} x^{3}-8 c^{2} x^{2} \sqrt {c^{2} x^{2}+1}+4 c x -\sqrt {c^{2} x^{2}+1}\right ) \left (1+4 \,\operatorname {arcsinh}\left (c x \right )\right )}{256 c^{5} d \left (c^{2} x^{2}+1\right )}\right )\) | \(519\) |
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\[ \int \frac {x^4 (a+b \text {arcsinh}(c x))}{\sqrt {d+c^2 d x^2}} \, dx=\int { \frac {{\left (b \operatorname {arsinh}\left (c x\right ) + a\right )} x^{4}}{\sqrt {c^{2} d x^{2} + d}} \,d x } \]
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\[ \int \frac {x^4 (a+b \text {arcsinh}(c x))}{\sqrt {d+c^2 d x^2}} \, dx=\int \frac {x^{4} \left (a + b \operatorname {asinh}{\left (c x \right )}\right )}{\sqrt {d \left (c^{2} x^{2} + 1\right )}}\, dx \]
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Exception generated. \[ \int \frac {x^4 (a+b \text {arcsinh}(c x))}{\sqrt {d+c^2 d x^2}} \, dx=\text {Exception raised: RuntimeError} \]
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\[ \int \frac {x^4 (a+b \text {arcsinh}(c x))}{\sqrt {d+c^2 d x^2}} \, dx=\int { \frac {{\left (b \operatorname {arsinh}\left (c x\right ) + a\right )} x^{4}}{\sqrt {c^{2} d x^{2} + d}} \,d x } \]
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Timed out. \[ \int \frac {x^4 (a+b \text {arcsinh}(c x))}{\sqrt {d+c^2 d x^2}} \, dx=\int \frac {x^4\,\left (a+b\,\mathrm {asinh}\left (c\,x\right )\right )}{\sqrt {d\,c^2\,x^2+d}} \,d x \]
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