Integrand size = 76, antiderivative size = 343 \[ \int \frac {(-1+(-1+2 k) x) \left (1-2 x+x^2\right )}{\sqrt [3]{(1-x) x (1-k x)} \left (-b+4 b x+(1-6 b) x^2+(4 b-2 k) x^3+\left (-b+k^2\right ) x^4\right )} \, dx=\frac {\sqrt {3} \arctan \left (\frac {\frac {1}{\sqrt {3}}-\frac {2 x}{\sqrt {3}}+\frac {x^2}{\sqrt {3}}+\frac {2 \left (x+(-1-k) x^2+k x^3\right )^{2/3}}{\sqrt {3} \sqrt [3]{b}}}{(-1+x)^2}\right )}{2 b^{2/3}}-\frac {\log \left (\sqrt [6]{b}-\sqrt [6]{b} x+\sqrt [3]{x+(-1-k) x^2+k x^3}\right )}{2 b^{2/3}}-\frac {\log \left (-\sqrt [6]{b}+\sqrt [6]{b} x+\sqrt [3]{x+(-1-k) x^2+k x^3}\right )}{2 b^{2/3}}+\frac {\log \left (\sqrt [3]{b}-2 \sqrt [3]{b} x+\sqrt [3]{b} x^2+\left (\sqrt [6]{b}-\sqrt [6]{b} x\right ) \sqrt [3]{x+(-1-k) x^2+k x^3}+\left (x+(-1-k) x^2+k x^3\right )^{2/3}\right )}{4 b^{2/3}}+\frac {\log \left (\sqrt [3]{b}-2 \sqrt [3]{b} x+\sqrt [3]{b} x^2+\left (-\sqrt [6]{b}+\sqrt [6]{b} x\right ) \sqrt [3]{x+(-1-k) x^2+k x^3}+\left (x+(-1-k) x^2+k x^3\right )^{2/3}\right )}{4 b^{2/3}} \]
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\[ \int \frac {(-1+(-1+2 k) x) \left (1-2 x+x^2\right )}{\sqrt [3]{(1-x) x (1-k x)} \left (-b+4 b x+(1-6 b) x^2+(4 b-2 k) x^3+\left (-b+k^2\right ) x^4\right )} \, dx=\int \frac {(-1+(-1+2 k) x) \left (1-2 x+x^2\right )}{\sqrt [3]{(1-x) x (1-k x)} \left (-b+4 b x+(1-6 b) x^2+(4 b-2 k) x^3+\left (-b+k^2\right ) x^4\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {(-1+x)^2 (-1+(-1+2 k) x)}{\sqrt [3]{(1-x) x (1-k x)} \left (-b+4 b x+(1-6 b) x^2+(4 b-2 k) x^3+\left (-b+k^2\right ) x^4\right )} \, dx \\ & = \frac {\left (\sqrt [3]{1-x} \sqrt [3]{x} \sqrt [3]{1-k x}\right ) \int \frac {(-1+x)^2 (-1+(-1+2 k) x)}{\sqrt [3]{1-x} \sqrt [3]{x} \sqrt [3]{1-k x} \left (-b+4 b x+(1-6 b) x^2+(4 b-2 k) x^3+\left (-b+k^2\right ) x^4\right )} \, dx}{\sqrt [3]{(1-x) x (1-k x)}} \\ & = \frac {\left (\sqrt [3]{1-x} \sqrt [3]{x} \sqrt [3]{1-k x}\right ) \int \frac {(1-x)^{5/3} (-1+(-1+2 k) x)}{\sqrt [3]{x} \sqrt [3]{1-k x} \left (-b+4 b x+(1-6 b) x^2+(4 b-2 k) x^3+\left (-b+k^2\right ) x^4\right )} \, dx}{\sqrt [3]{(1-x) x (1-k x)}} \\ & = \frac {\left (3 \sqrt [3]{1-x} \sqrt [3]{x} \sqrt [3]{1-k x}\right ) \text {Subst}\left (\int \frac {x \left (1-x^3\right )^{5/3} \left (-1+(-1+2 k) x^3\right )}{\sqrt [3]{1-k x^3} \left (-b+4 b x^3+(1-6 b) x^6+(4 b-2 k) x^9+\left (-b+k^2\right ) x^{12}\right )} \, dx,x,\sqrt [3]{x}\right )}{\sqrt [3]{(1-x) x (1-k x)}} \\ & = \frac {\left (3 \sqrt [3]{1-x} \sqrt [3]{x} \sqrt [3]{1-k x}\right ) \text {Subst}\left (\int \frac {x \left (1-x^3\right )^{5/3} \left (1-(-1+2 k) x^3\right )}{\sqrt [3]{1-k x^3} \left (b \left (-1+x^3\right )^4-x^6 \left (-1+k x^3\right )^2\right )} \, dx,x,\sqrt [3]{x}\right )}{\sqrt [3]{(1-x) x (1-k x)}} \\ & = \frac {\left (3 \sqrt [3]{1-x} \sqrt [3]{x} \sqrt [3]{1-k x}\right ) \text {Subst}\left (\int \left (\frac {x \left (1-x^3\right )^{5/3}}{\sqrt [3]{1-k x^3} \left (b-4 b x^3-(1-6 b) x^6-4 b \left (1-\frac {k}{2 b}\right ) x^9+b \left (1-\frac {k^2}{b}\right ) x^{12}\right )}+\frac {(1-2 k) x^4 \left (1-x^3\right )^{5/3}}{\sqrt [3]{1-k x^3} \left (b-4 b x^3-(1-6 b) x^6-4 b \left (1-\frac {k}{2 b}\right ) x^9+b \left (1-\frac {k^2}{b}\right ) x^{12}\right )}\right ) \, dx,x,\sqrt [3]{x}\right )}{\sqrt [3]{(1-x) x (1-k x)}} \\ & = \frac {\left (3 \sqrt [3]{1-x} \sqrt [3]{x} \sqrt [3]{1-k x}\right ) \text {Subst}\left (\int \frac {x \left (1-x^3\right )^{5/3}}{\sqrt [3]{1-k x^3} \left (b-4 b x^3-(1-6 b) x^6-4 b \left (1-\frac {k}{2 b}\right ) x^9+b \left (1-\frac {k^2}{b}\right ) x^{12}\right )} \, dx,x,\sqrt [3]{x}\right )}{\sqrt [3]{(1-x) x (1-k x)}}+\frac {\left (3 (1-2 k) \sqrt [3]{1-x} \sqrt [3]{x} \sqrt [3]{1-k x}\right ) \text {Subst}\left (\int \frac {x^4 \left (1-x^3\right )^{5/3}}{\sqrt [3]{1-k x^3} \left (b-4 b x^3-(1-6 b) x^6-4 b \left (1-\frac {k}{2 b}\right ) x^9+b \left (1-\frac {k^2}{b}\right ) x^{12}\right )} \, dx,x,\sqrt [3]{x}\right )}{\sqrt [3]{(1-x) x (1-k x)}} \\ & = \frac {\left (3 \sqrt [3]{1-x} \sqrt [3]{x} \sqrt [3]{1-k x}\right ) \text {Subst}\left (\int \frac {x \left (1-x^3\right )^{5/3}}{\sqrt [3]{1-k x^3} \left (b \left (-1+x^3\right )^4-x^6 \left (-1+k x^3\right )^2\right )} \, dx,x,\sqrt [3]{x}\right )}{\sqrt [3]{(1-x) x (1-k x)}}+\frac {\left (3 (1-2 k) \sqrt [3]{1-x} \sqrt [3]{x} \sqrt [3]{1-k x}\right ) \text {Subst}\left (\int \frac {x^4 \left (1-x^3\right )^{5/3}}{\sqrt [3]{1-k x^3} \left (b \left (-1+x^3\right )^4-x^6 \left (-1+k x^3\right )^2\right )} \, dx,x,\sqrt [3]{x}\right )}{\sqrt [3]{(1-x) x (1-k x)}} \\ \end{align*}
Time = 25.33 (sec) , antiderivative size = 270, normalized size of antiderivative = 0.79 \[ \int \frac {(-1+(-1+2 k) x) \left (1-2 x+x^2\right )}{\sqrt [3]{(1-x) x (1-k x)} \left (-b+4 b x+(1-6 b) x^2+(4 b-2 k) x^3+\left (-b+k^2\right ) x^4\right )} \, dx=\frac {\sqrt [3]{k-\frac {1}{x}} (-1+x) \left (-2 \sqrt {3} \arctan \left (\frac {\left (k-\frac {1}{x}\right )^{2/3}+2 \sqrt [3]{b} \left (-1+\frac {1}{x}\right )^{4/3}}{\sqrt {3} \left (k-\frac {1}{x}\right )^{2/3}}\right )-2 \log \left (\sqrt [3]{k-\frac {1}{x}}-\sqrt [6]{b} \left (-1+\frac {1}{x}\right )^{2/3}\right )-2 \log \left (\sqrt [3]{k-\frac {1}{x}}+\sqrt [6]{b} \left (-1+\frac {1}{x}\right )^{2/3}\right )+\log \left (\left (k-\frac {1}{x}\right )^{2/3}-\sqrt [6]{b} \sqrt [3]{k-\frac {1}{x}} \left (-1+\frac {1}{x}\right )^{2/3}+\sqrt [3]{b} \left (-1+\frac {1}{x}\right )^{4/3}\right )+\log \left (\left (k-\frac {1}{x}\right )^{2/3}+\sqrt [6]{b} \sqrt [3]{k-\frac {1}{x}} \left (-1+\frac {1}{x}\right )^{2/3}+\sqrt [3]{b} \left (-1+\frac {1}{x}\right )^{4/3}\right )\right )}{4 b^{2/3} \left (-1+\frac {1}{x}\right )^{2/3} \sqrt [3]{(-1+x) x (-1+k x)}} \]
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\[\int \frac {\left (-1+\left (-1+2 k \right ) x \right ) \left (x^{2}-2 x +1\right )}{\left (\left (1-x \right ) x \left (-k x +1\right )\right )^{\frac {1}{3}} \left (-b +4 b x +\left (1-6 b \right ) x^{2}+\left (4 b -2 k \right ) x^{3}+\left (k^{2}-b \right ) x^{4}\right )}d x\]
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Timed out. \[ \int \frac {(-1+(-1+2 k) x) \left (1-2 x+x^2\right )}{\sqrt [3]{(1-x) x (1-k x)} \left (-b+4 b x+(1-6 b) x^2+(4 b-2 k) x^3+\left (-b+k^2\right ) x^4\right )} \, dx=\text {Timed out} \]
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Timed out. \[ \int \frac {(-1+(-1+2 k) x) \left (1-2 x+x^2\right )}{\sqrt [3]{(1-x) x (1-k x)} \left (-b+4 b x+(1-6 b) x^2+(4 b-2 k) x^3+\left (-b+k^2\right ) x^4\right )} \, dx=\text {Timed out} \]
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\[ \int \frac {(-1+(-1+2 k) x) \left (1-2 x+x^2\right )}{\sqrt [3]{(1-x) x (1-k x)} \left (-b+4 b x+(1-6 b) x^2+(4 b-2 k) x^3+\left (-b+k^2\right ) x^4\right )} \, dx=\int { \frac {{\left ({\left (2 \, k - 1\right )} x - 1\right )} {\left (x^{2} - 2 \, x + 1\right )}}{{\left ({\left (k^{2} - b\right )} x^{4} + 2 \, {\left (2 \, b - k\right )} x^{3} - {\left (6 \, b - 1\right )} x^{2} + 4 \, b x - b\right )} \left ({\left (k x - 1\right )} {\left (x - 1\right )} x\right )^{\frac {1}{3}}} \,d x } \]
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\[ \int \frac {(-1+(-1+2 k) x) \left (1-2 x+x^2\right )}{\sqrt [3]{(1-x) x (1-k x)} \left (-b+4 b x+(1-6 b) x^2+(4 b-2 k) x^3+\left (-b+k^2\right ) x^4\right )} \, dx=\int { \frac {{\left ({\left (2 \, k - 1\right )} x - 1\right )} {\left (x^{2} - 2 \, x + 1\right )}}{{\left ({\left (k^{2} - b\right )} x^{4} + 2 \, {\left (2 \, b - k\right )} x^{3} - {\left (6 \, b - 1\right )} x^{2} + 4 \, b x - b\right )} \left ({\left (k x - 1\right )} {\left (x - 1\right )} x\right )^{\frac {1}{3}}} \,d x } \]
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Timed out. \[ \int \frac {(-1+(-1+2 k) x) \left (1-2 x+x^2\right )}{\sqrt [3]{(1-x) x (1-k x)} \left (-b+4 b x+(1-6 b) x^2+(4 b-2 k) x^3+\left (-b+k^2\right ) x^4\right )} \, dx=\int -\frac {\left (x\,\left (2\,k-1\right )-1\right )\,\left (x^2-2\,x+1\right )}{{\left (x\,\left (k\,x-1\right )\,\left (x-1\right )\right )}^{1/3}\,\left (\left (b-k^2\right )\,x^4+\left (2\,k-4\,b\right )\,x^3+\left (6\,b-1\right )\,x^2-4\,b\,x+b\right )} \,d x \]
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