Integrand size = 27, antiderivative size = 23 \[ \int \frac {\left (1+4 x^3\right ) \left (1+2 x+2 x^4\right )}{\sqrt {x+x^4}} \, dx=\frac {2}{3} \sqrt {x+x^4} \left (3+2 x+2 x^4\right ) \]
[Out]
Time = 0.32 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.83, number of steps used = 18, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.259, Rules used = {2078, 2036, 335, 231, 2054, 212, 2049} \[ \int \frac {\left (1+4 x^3\right ) \left (1+2 x+2 x^4\right )}{\sqrt {x+x^4}} \, dx=\frac {4}{3} \sqrt {x^4+x} x^4+\frac {4}{3} \sqrt {x^4+x} x+2 \sqrt {x^4+x} \]
[In]
[Out]
Rule 212
Rule 231
Rule 335
Rule 2036
Rule 2049
Rule 2054
Rule 2078
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {1}{\sqrt {x+x^4}}+\frac {2 x}{\sqrt {x+x^4}}+\frac {4 x^3}{\sqrt {x+x^4}}+\frac {10 x^4}{\sqrt {x+x^4}}+\frac {8 x^7}{\sqrt {x+x^4}}\right ) \, dx \\ & = 2 \int \frac {x}{\sqrt {x+x^4}} \, dx+4 \int \frac {x^3}{\sqrt {x+x^4}} \, dx+8 \int \frac {x^7}{\sqrt {x+x^4}} \, dx+10 \int \frac {x^4}{\sqrt {x+x^4}} \, dx+\int \frac {1}{\sqrt {x+x^4}} \, dx \\ & = 2 \sqrt {x+x^4}+\frac {10}{3} x \sqrt {x+x^4}+\frac {4}{3} x^4 \sqrt {x+x^4}+\frac {4}{3} \text {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\frac {x^2}{\sqrt {x+x^4}}\right )-5 \int \frac {x}{\sqrt {x+x^4}} \, dx-6 \int \frac {x^4}{\sqrt {x+x^4}} \, dx+\frac {\left (\sqrt {x} \sqrt {1+x^3}\right ) \int \frac {1}{\sqrt {x} \sqrt {1+x^3}} \, dx}{\sqrt {x+x^4}}-\int \frac {1}{\sqrt {x+x^4}} \, dx \\ & = 2 \sqrt {x+x^4}+\frac {4}{3} x \sqrt {x+x^4}+\frac {4}{3} x^4 \sqrt {x+x^4}+\frac {4}{3} \text {arctanh}\left (\frac {x^2}{\sqrt {x+x^4}}\right )+3 \int \frac {x}{\sqrt {x+x^4}} \, dx-\frac {10}{3} \text {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\frac {x^2}{\sqrt {x+x^4}}\right )-\frac {\left (\sqrt {x} \sqrt {1+x^3}\right ) \int \frac {1}{\sqrt {x} \sqrt {1+x^3}} \, dx}{\sqrt {x+x^4}}+\frac {\left (2 \sqrt {x} \sqrt {1+x^3}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {1+x^6}} \, dx,x,\sqrt {x}\right )}{\sqrt {x+x^4}} \\ & = 2 \sqrt {x+x^4}+\frac {4}{3} x \sqrt {x+x^4}+\frac {4}{3} x^4 \sqrt {x+x^4}-2 \text {arctanh}\left (\frac {x^2}{\sqrt {x+x^4}}\right )+\frac {x (1+x) \sqrt {\frac {1-x+x^2}{\left (1+\left (1+\sqrt {3}\right ) x\right )^2}} \operatorname {EllipticF}\left (\arccos \left (\frac {1+\left (1-\sqrt {3}\right ) x}{1+\left (1+\sqrt {3}\right ) x}\right ),\frac {1}{4} \left (2+\sqrt {3}\right )\right )}{\sqrt [4]{3} \sqrt {\frac {x (1+x)}{\left (1+\left (1+\sqrt {3}\right ) x\right )^2}} \sqrt {x+x^4}}+2 \text {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\frac {x^2}{\sqrt {x+x^4}}\right )-\frac {\left (2 \sqrt {x} \sqrt {1+x^3}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {1+x^6}} \, dx,x,\sqrt {x}\right )}{\sqrt {x+x^4}} \\ & = 2 \sqrt {x+x^4}+\frac {4}{3} x \sqrt {x+x^4}+\frac {4}{3} x^4 \sqrt {x+x^4} \\ \end{align*}
Time = 10.05 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00 \[ \int \frac {\left (1+4 x^3\right ) \left (1+2 x+2 x^4\right )}{\sqrt {x+x^4}} \, dx=\frac {2}{3} \sqrt {x+x^4} \left (3+2 x+2 x^4\right ) \]
[In]
[Out]
Time = 3.37 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83
method | result | size |
trager | \(\left (\frac {4}{3} x^{4}+\frac {4}{3} x +2\right ) \sqrt {x^{4}+x}\) | \(19\) |
pseudoelliptic | \(\frac {2 \sqrt {x^{4}+x}\, \left (2 x^{4}+2 x +3\right )}{3}\) | \(20\) |
risch | \(\frac {2 \left (2 x^{4}+2 x +3\right ) x \left (x^{3}+1\right )}{3 \sqrt {x \left (x^{3}+1\right )}}\) | \(28\) |
gosper | \(\frac {2 x \left (1+x \right ) \left (x^{2}-x +1\right ) \left (2 x^{4}+2 x +3\right )}{3 \sqrt {x^{4}+x}}\) | \(32\) |
elliptic | \(\frac {4 x^{4} \sqrt {x^{4}+x}}{3}+\frac {4 x \sqrt {x^{4}+x}}{3}+2 \sqrt {x^{4}+x}\) | \(33\) |
meijerg | \(\frac {-\frac {2 \sqrt {\pi }\, x^{\frac {3}{2}} \left (-10 x^{3}+15\right ) \sqrt {x^{3}+1}}{15}+2 \sqrt {\pi }\, \operatorname {arcsinh}\left (x^{\frac {3}{2}}\right )}{\sqrt {\pi }}+\frac {\frac {10 \sqrt {\pi }\, x^{\frac {3}{2}} \sqrt {x^{3}+1}}{3}-\frac {10 \sqrt {\pi }\, \operatorname {arcsinh}\left (x^{\frac {3}{2}}\right )}{3}}{\sqrt {\pi }}+\frac {8 x^{\frac {7}{2}} \operatorname {hypergeom}\left (\left [\frac {1}{2}, \frac {7}{6}\right ], \left [\frac {13}{6}\right ], -x^{3}\right )}{7}+\frac {4 \,\operatorname {arcsinh}\left (x^{\frac {3}{2}}\right )}{3}+2 \sqrt {x}\, \operatorname {hypergeom}\left (\left [\frac {1}{6}, \frac {1}{2}\right ], \left [\frac {7}{6}\right ], -x^{3}\right )\) | \(106\) |
default | \(-\frac {2 \ln \left (2 x^{3}-2 x \sqrt {x^{4}+x}+1\right )}{3}-\frac {x^{2} \left (\left (-4 x^{4}+6 x \right ) \sqrt {x^{4}+x}+3 \ln \left (\frac {-x^{2}+\sqrt {x^{4}+x}}{x^{2}}\right )-3 \ln \left (\frac {x^{2}+\sqrt {x^{4}+x}}{x^{2}}\right )\right )}{3 \left (x^{2}+\sqrt {x^{4}+x}\right )^{2} \left (x^{2}-\sqrt {x^{4}+x}\right )^{2}}+2 \sqrt {x^{4}+x}+\frac {10 x \sqrt {x^{4}+x}}{3}-\frac {5 \ln \left (\frac {x^{2}+\sqrt {x^{4}+x}}{x^{2}}\right )}{3}+\frac {5 \ln \left (\frac {-x^{2}+\sqrt {x^{4}+x}}{x^{2}}\right )}{3}\) | \(168\) |
[In]
[Out]
none
Time = 0.24 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {\left (1+4 x^3\right ) \left (1+2 x+2 x^4\right )}{\sqrt {x+x^4}} \, dx=\frac {2}{3} \, {\left (2 \, x^{4} + 2 \, x + 3\right )} \sqrt {x^{4} + x} \]
[In]
[Out]
Time = 0.12 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.61 \[ \int \frac {\left (1+4 x^3\right ) \left (1+2 x+2 x^4\right )}{\sqrt {x+x^4}} \, dx=\frac {4 x^{4} \sqrt {x^{4} + x}}{3} + \frac {4 x \sqrt {x^{4} + x}}{3} + 2 \sqrt {x^{4} + x} \]
[In]
[Out]
\[ \int \frac {\left (1+4 x^3\right ) \left (1+2 x+2 x^4\right )}{\sqrt {x+x^4}} \, dx=\int { \frac {{\left (2 \, x^{4} + 2 \, x + 1\right )} {\left (4 \, x^{3} + 1\right )}}{\sqrt {x^{4} + x}} \,d x } \]
[In]
[Out]
none
Time = 0.27 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {\left (1+4 x^3\right ) \left (1+2 x+2 x^4\right )}{\sqrt {x+x^4}} \, dx=\frac {4}{3} \, {\left (x^{4} + x\right )}^{\frac {3}{2}} + 2 \, \sqrt {x^{4} + x} \]
[In]
[Out]
Time = 5.65 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {\left (1+4 x^3\right ) \left (1+2 x+2 x^4\right )}{\sqrt {x+x^4}} \, dx=\frac {2\,\sqrt {x^4+x}\,\left (2\,x^4+2\,x+3\right )}{3} \]
[In]
[Out]