Integrand size = 20, antiderivative size = 436 \[ \int \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3 \, dx=\frac {3 b^2 e^2 n^2 \left (d+\frac {e}{\sqrt [3]{x}}\right ) \sqrt [3]{x} \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )}{d^3}+\frac {3 b^2 e^3 n^2 \log \left (1-\frac {d}{d+\frac {e}{\sqrt [3]{x}}}\right ) \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )}{d^3}-\frac {3 b e^2 n \left (d+\frac {e}{\sqrt [3]{x}}\right ) \sqrt [3]{x} \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^2}{d^3}+\frac {3 b e n x^{2/3} \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^2}{2 d}-\frac {3 b e^3 n \log \left (1-\frac {d}{d+\frac {e}{\sqrt [3]{x}}}\right ) \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^2}{d^3}+x \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3+\frac {6 b^2 e^3 n^2 \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right ) \log \left (-\frac {e}{d \sqrt [3]{x}}\right )}{d^3}+\frac {b^3 e^3 n^3 \log (x)}{d^3}-\frac {3 b^3 e^3 n^3 \operatorname {PolyLog}\left (2,\frac {d}{d+\frac {e}{\sqrt [3]{x}}}\right )}{d^3}+\frac {6 b^2 e^3 n^2 \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right ) \operatorname {PolyLog}\left (2,\frac {d}{d+\frac {e}{\sqrt [3]{x}}}\right )}{d^3}+\frac {6 b^3 e^3 n^3 \operatorname {PolyLog}\left (2,1+\frac {e}{d \sqrt [3]{x}}\right )}{d^3}+\frac {6 b^3 e^3 n^3 \operatorname {PolyLog}\left (3,\frac {d}{d+\frac {e}{\sqrt [3]{x}}}\right )}{d^3} \] Output:
3*b^2*e^2*n^2*(d+e/x^(1/3))*x^(1/3)*(a+b*ln(c*(d+e/x^(1/3))^n))/d^3+3*b^2* e^3*n^2*ln(1-d/(d+e/x^(1/3)))*(a+b*ln(c*(d+e/x^(1/3))^n))/d^3-3*b*e^2*n*(d +e/x^(1/3))*x^(1/3)*(a+b*ln(c*(d+e/x^(1/3))^n))^2/d^3+3/2*b*e*n*x^(2/3)*(a +b*ln(c*(d+e/x^(1/3))^n))^2/d-3*b*e^3*n*ln(1-d/(d+e/x^(1/3)))*(a+b*ln(c*(d +e/x^(1/3))^n))^2/d^3+x*(a+b*ln(c*(d+e/x^(1/3))^n))^3+6*b^2*e^3*n^2*(a+b*l n(c*(d+e/x^(1/3))^n))*ln(-e/d/x^(1/3))/d^3+b^3*e^3*n^3*ln(x)/d^3-3*b^3*e^3 *n^3*polylog(2,d/(d+e/x^(1/3)))/d^3+6*b^2*e^3*n^2*(a+b*ln(c*(d+e/x^(1/3))^ n))*polylog(2,d/(d+e/x^(1/3)))/d^3+6*b^3*e^3*n^3*polylog(2,1+e/d/x^(1/3))/ d^3+6*b^3*e^3*n^3*polylog(3,d/(d+e/x^(1/3)))/d^3
\[ \int \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3 \, dx=\int \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3 \, dx \] Input:
Integrate[(a + b*Log[c*(d + e/x^(1/3))^n])^3,x]
Output:
Integrate[(a + b*Log[c*(d + e/x^(1/3))^n])^3, x]
Time = 3.38 (sec) , antiderivative size = 391, normalized size of antiderivative = 0.90, number of steps used = 18, number of rules used = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.850, Rules used = {2901, 2904, 2845, 2858, 25, 27, 2789, 2756, 2789, 2751, 16, 2755, 2754, 2779, 2821, 2838, 7143}
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3 \, dx\) |
\(\Big \downarrow \) 2901 |
\(\displaystyle 3 \int x^{2/3} \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3d\sqrt [3]{x}\) |
\(\Big \downarrow \) 2904 |
\(\displaystyle -3 \int \frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{x^{4/3}}d\frac {1}{\sqrt [3]{x}}\) |
\(\Big \downarrow \) 2845 |
\(\displaystyle -3 \left (b e n \int \frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^2}{\left (d+\frac {e}{\sqrt [3]{x}}\right ) x}d\frac {1}{\sqrt [3]{x}}-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 2858 |
\(\displaystyle -3 \left (b n \int \left (d+\frac {e}{\sqrt [3]{x}}\right ) x \left (a+b \log \left (c x^{n/3}\right )\right )^2d\left (d+\frac {e}{\sqrt [3]{x}}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 25 |
\(\displaystyle -3 \left (-b n \int -\left (\left (d+\frac {e}{\sqrt [3]{x}}\right ) x \left (a+b \log \left (c x^{n/3}\right )\right )^2\right )d\left (d+\frac {e}{\sqrt [3]{x}}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 27 |
\(\displaystyle -3 \left (-b e^3 n \int -\frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) x \left (a+b \log \left (c x^{n/3}\right )\right )^2}{e^3}d\left (d+\frac {e}{\sqrt [3]{x}}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 2789 |
\(\displaystyle -3 \left (-b e^3 n \left (\frac {\int -\frac {x \left (a+b \log \left (c x^{n/3}\right )\right )^2}{e^3}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}+\frac {\int \frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{e^2}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 2756 |
\(\displaystyle -3 \left (-b e^3 n \left (\frac {\frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{2 e^2}-b n \int \frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )}{e^2}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}+\frac {\int \frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{e^2}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 2789 |
\(\displaystyle -3 \left (-b e^3 n \left (\frac {\frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{2 e^2}-b n \left (\frac {\int \frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )}{e^2}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}+\frac {\int -\frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) \sqrt [3]{x} \left (a+b \log \left (c x^{n/3}\right )\right )}{e}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}\right )}{d}+\frac {\frac {\int \frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{e^2}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}+\frac {\int -\frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) \sqrt [3]{x} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{e}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}}{d}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 2751 |
\(\displaystyle -3 \left (-b e^3 n \left (\frac {\frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{2 e^2}-b n \left (\frac {-\frac {b n \int -\frac {\sqrt [3]{x}}{e}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )}{d e}}{d}+\frac {\int -\frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) \sqrt [3]{x} \left (a+b \log \left (c x^{n/3}\right )\right )}{e}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}\right )}{d}+\frac {\frac {\int \frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{e^2}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}+\frac {\int -\frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) \sqrt [3]{x} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{e}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}}{d}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 16 |
\(\displaystyle -3 \left (-b e^3 n \left (\frac {\frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{2 e^2}-b n \left (\frac {\int -\frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) \sqrt [3]{x} \left (a+b \log \left (c x^{n/3}\right )\right )}{e}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}+\frac {\frac {b n \log \left (-\frac {e}{\sqrt [3]{x}}\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )}{d e}}{d}\right )}{d}+\frac {\frac {\int \frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{e^2}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}+\frac {\int -\frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) \sqrt [3]{x} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{e}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}}{d}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 2755 |
\(\displaystyle -3 \left (-b e^3 n \left (\frac {\frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{2 e^2}-b n \left (\frac {\int -\frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) \sqrt [3]{x} \left (a+b \log \left (c x^{n/3}\right )\right )}{e}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}+\frac {\frac {b n \log \left (-\frac {e}{\sqrt [3]{x}}\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )}{d e}}{d}\right )}{d}+\frac {\frac {-\frac {2 b n \int -\frac {\sqrt [3]{x} \left (a+b \log \left (c x^{n/3}\right )\right )}{e}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )^2}{d e}}{d}+\frac {\int -\frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) \sqrt [3]{x} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{e}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}}{d}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 2754 |
\(\displaystyle -3 \left (-b e^3 n \left (\frac {\frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{2 e^2}-b n \left (\frac {\int -\frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) \sqrt [3]{x} \left (a+b \log \left (c x^{n/3}\right )\right )}{e}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}+\frac {\frac {b n \log \left (-\frac {e}{\sqrt [3]{x}}\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )}{d e}}{d}\right )}{d}+\frac {\frac {-\frac {2 b n \left (b n \int \left (d+\frac {e}{\sqrt [3]{x}}\right ) \log \left (1-\frac {d+\frac {e}{\sqrt [3]{x}}}{d}\right )d\left (d+\frac {e}{\sqrt [3]{x}}\right )-\log \left (1-\frac {d+\frac {e}{\sqrt [3]{x}}}{d}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )^2}{d e}}{d}+\frac {\int -\frac {\left (d+\frac {e}{\sqrt [3]{x}}\right ) \sqrt [3]{x} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{e}d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}}{d}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 2779 |
\(\displaystyle -3 \left (-b e^3 n \left (\frac {\frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{2 e^2}-b n \left (\frac {\frac {b n \int \left (d+\frac {e}{\sqrt [3]{x}}\right ) \log \left (1-d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right )d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}-\frac {\log \left (1-d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right ) \left (a+b \log \left (c x^{n/3}\right )\right )}{d}}{d}+\frac {\frac {b n \log \left (-\frac {e}{\sqrt [3]{x}}\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )}{d e}}{d}\right )}{d}+\frac {\frac {-\frac {2 b n \left (b n \int \left (d+\frac {e}{\sqrt [3]{x}}\right ) \log \left (1-\frac {d+\frac {e}{\sqrt [3]{x}}}{d}\right )d\left (d+\frac {e}{\sqrt [3]{x}}\right )-\log \left (1-\frac {d+\frac {e}{\sqrt [3]{x}}}{d}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )^2}{d e}}{d}+\frac {\frac {2 b n \int \left (d+\frac {e}{\sqrt [3]{x}}\right ) \log \left (1-d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right ) \left (a+b \log \left (c x^{n/3}\right )\right )d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}-\frac {\log \left (1-d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right ) \left (a+b \log \left (c x^{n/3}\right )\right )^2}{d}}{d}}{d}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 2821 |
\(\displaystyle -3 \left (-b e^3 n \left (\frac {\frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{2 e^2}-b n \left (\frac {\frac {b n \int \left (d+\frac {e}{\sqrt [3]{x}}\right ) \log \left (1-d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right )d\left (d+\frac {e}{\sqrt [3]{x}}\right )}{d}-\frac {\log \left (1-d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right ) \left (a+b \log \left (c x^{n/3}\right )\right )}{d}}{d}+\frac {\frac {b n \log \left (-\frac {e}{\sqrt [3]{x}}\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )}{d e}}{d}\right )}{d}+\frac {\frac {\frac {2 b n \left (\operatorname {PolyLog}\left (2,d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right ) \left (a+b \log \left (c x^{n/3}\right )\right )-b n \int \left (d+\frac {e}{\sqrt [3]{x}}\right ) \operatorname {PolyLog}\left (2,d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right )d\left (d+\frac {e}{\sqrt [3]{x}}\right )\right )}{d}-\frac {\log \left (1-d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right ) \left (a+b \log \left (c x^{n/3}\right )\right )^2}{d}}{d}+\frac {-\frac {2 b n \left (b n \int \left (d+\frac {e}{\sqrt [3]{x}}\right ) \log \left (1-\frac {d+\frac {e}{\sqrt [3]{x}}}{d}\right )d\left (d+\frac {e}{\sqrt [3]{x}}\right )-\log \left (1-\frac {d+\frac {e}{\sqrt [3]{x}}}{d}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )^2}{d e}}{d}}{d}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 2838 |
\(\displaystyle -3 \left (-b e^3 n \left (\frac {\frac {\frac {2 b n \left (\operatorname {PolyLog}\left (2,d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right ) \left (a+b \log \left (c x^{n/3}\right )\right )-b n \int \left (d+\frac {e}{\sqrt [3]{x}}\right ) \operatorname {PolyLog}\left (2,d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right )d\left (d+\frac {e}{\sqrt [3]{x}}\right )\right )}{d}-\frac {\log \left (1-d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right ) \left (a+b \log \left (c x^{n/3}\right )\right )^2}{d}}{d}+\frac {-\frac {2 b n \left (-\log \left (1-\frac {d+\frac {e}{\sqrt [3]{x}}}{d}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )-b n \operatorname {PolyLog}\left (2,\frac {d+\frac {e}{\sqrt [3]{x}}}{d}\right )\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )^2}{d e}}{d}}{d}+\frac {\frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{2 e^2}-b n \left (\frac {\frac {b n \operatorname {PolyLog}\left (2,d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right )}{d}-\frac {\log \left (1-d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right ) \left (a+b \log \left (c x^{n/3}\right )\right )}{d}}{d}+\frac {\frac {b n \log \left (-\frac {e}{\sqrt [3]{x}}\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )}{d e}}{d}\right )}{d}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
\(\Big \downarrow \) 7143 |
\(\displaystyle -3 \left (-b e^3 n \left (\frac {\frac {x^{2/3} \left (a+b \log \left (c x^{n/3}\right )\right )^2}{2 e^2}-b n \left (\frac {\frac {b n \operatorname {PolyLog}\left (2,d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right )}{d}-\frac {\log \left (1-d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right ) \left (a+b \log \left (c x^{n/3}\right )\right )}{d}}{d}+\frac {\frac {b n \log \left (-\frac {e}{\sqrt [3]{x}}\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )}{d e}}{d}\right )}{d}+\frac {\frac {-\frac {2 b n \left (-\log \left (1-\frac {d+\frac {e}{\sqrt [3]{x}}}{d}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )-b n \operatorname {PolyLog}\left (2,\frac {d+\frac {e}{\sqrt [3]{x}}}{d}\right )\right )}{d}-\frac {\sqrt [3]{x} \left (d+\frac {e}{\sqrt [3]{x}}\right ) \left (a+b \log \left (c x^{n/3}\right )\right )^2}{d e}}{d}+\frac {\frac {2 b n \left (\operatorname {PolyLog}\left (2,d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right ) \left (a+b \log \left (c x^{n/3}\right )\right )+b n \operatorname {PolyLog}\left (3,d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right )\right )}{d}-\frac {\log \left (1-d \left (d+\frac {e}{\sqrt [3]{x}}\right )\right ) \left (a+b \log \left (c x^{n/3}\right )\right )^2}{d}}{d}}{d}\right )-\frac {\left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3}{3 x}\right )\) |
Input:
Int[(a + b*Log[c*(d + e/x^(1/3))^n])^3,x]
Output:
-3*(-1/3*(a + b*Log[c*(d + e/x^(1/3))^n])^3/x - b*e^3*n*(((x^(2/3)*(a + b* Log[c*x^(n/3)])^2)/(2*e^2) - b*n*(((b*n*Log[-(e/x^(1/3))])/d - ((d + e/x^( 1/3))*x^(1/3)*(a + b*Log[c*x^(n/3)]))/(d*e))/d + (-((Log[1 - d*(d + e/x^(1 /3))]*(a + b*Log[c*x^(n/3)]))/d) + (b*n*PolyLog[2, d*(d + e/x^(1/3))])/d)/ d))/d + ((-(((d + e/x^(1/3))*x^(1/3)*(a + b*Log[c*x^(n/3)])^2)/(d*e)) - (2 *b*n*(-(Log[1 - (d + e/x^(1/3))/d]*(a + b*Log[c*x^(n/3)])) - b*n*PolyLog[2 , (d + e/x^(1/3))/d]))/d)/d + (-((Log[1 - d*(d + e/x^(1/3))]*(a + b*Log[c* x^(n/3)])^2)/d) + (2*b*n*((a + b*Log[c*x^(n/3)])*PolyLog[2, d*(d + e/x^(1/ 3))] + b*n*PolyLog[3, d*(d + e/x^(1/3))]))/d)/d)/d))
Int[(c_.)/((a_.) + (b_.)*(x_)), x_Symbol] :> Simp[c*(Log[RemoveContent[a + b*x, x]]/b), x] /; FreeQ[{a, b, c}, x]
Int[(a_)*(Fx_), x_Symbol] :> Simp[a Int[Fx, x], x] /; FreeQ[a, x] && !Ma tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
Int[((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))*((d_) + (e_.)*(x_)^(r_.))^(q_), x _Symbol] :> Simp[x*(d + e*x^r)^(q + 1)*((a + b*Log[c*x^n])/d), x] - Simp[b* (n/d) Int[(d + e*x^r)^(q + 1), x], x] /; FreeQ[{a, b, c, d, e, n, q, r}, x] && EqQ[r*(q + 1) + 1, 0]
Int[((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))^(p_.)/((d_) + (e_.)*(x_)), x_Symb ol] :> Simp[Log[1 + e*(x/d)]*((a + b*Log[c*x^n])^p/e), x] - Simp[b*n*(p/e) Int[Log[1 + e*(x/d)]*((a + b*Log[c*x^n])^(p - 1)/x), x], x] /; FreeQ[{a, b, c, d, e, n}, x] && IGtQ[p, 0]
Int[((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))^(p_.)/((d_) + (e_.)*(x_))^2, x_Sy mbol] :> Simp[x*((a + b*Log[c*x^n])^p/(d*(d + e*x))), x] - Simp[b*n*(p/d) Int[(a + b*Log[c*x^n])^(p - 1)/(d + e*x), x], x] /; FreeQ[{a, b, c, d, e, n, p}, x] && GtQ[p, 0]
Int[((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))^(p_.)*((d_) + (e_.)*(x_))^(q_.), x_Symbol] :> Simp[(d + e*x)^(q + 1)*((a + b*Log[c*x^n])^p/(e*(q + 1))), x] - Simp[b*n*(p/(e*(q + 1))) Int[((d + e*x)^(q + 1)*(a + b*Log[c*x^n])^(p - 1))/x, x], x] /; FreeQ[{a, b, c, d, e, n, p, q}, x] && GtQ[p, 0] && NeQ[q, -1] && (EqQ[p, 1] || (IntegersQ[2*p, 2*q] && !IGtQ[q, 0]) || (EqQ[p, 2] & & NeQ[q, 1]))
Int[((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))^(p_.)/((x_)*((d_) + (e_.)*(x_)^(r _.))), x_Symbol] :> Simp[(-Log[1 + d/(e*x^r)])*((a + b*Log[c*x^n])^p/(d*r)) , x] + Simp[b*n*(p/(d*r)) Int[Log[1 + d/(e*x^r)]*((a + b*Log[c*x^n])^(p - 1)/x), x], x] /; FreeQ[{a, b, c, d, e, n, r}, x] && IGtQ[p, 0]
Int[(((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))^(p_.)*((d_) + (e_.)*(x_))^(q_))/ (x_), x_Symbol] :> Simp[1/d Int[(d + e*x)^(q + 1)*((a + b*Log[c*x^n])^p/x ), x], x] - Simp[e/d Int[(d + e*x)^q*(a + b*Log[c*x^n])^p, x], x] /; Free Q[{a, b, c, d, e, n}, x] && IGtQ[p, 0] && LtQ[q, -1] && IntegerQ[2*q]
Int[(Log[(d_.)*((e_) + (f_.)*(x_)^(m_.))]*((a_.) + Log[(c_.)*(x_)^(n_.)]*(b _.))^(p_.))/(x_), x_Symbol] :> Simp[(-PolyLog[2, (-d)*f*x^m])*((a + b*Log[c *x^n])^p/m), x] + Simp[b*n*(p/m) Int[PolyLog[2, (-d)*f*x^m]*((a + b*Log[c *x^n])^(p - 1)/x), x], x] /; FreeQ[{a, b, c, d, e, f, m, n}, x] && IGtQ[p, 0] && EqQ[d*e, 1]
Int[Log[(c_.)*((d_) + (e_.)*(x_)^(n_.))]/(x_), x_Symbol] :> Simp[-PolyLog[2 , (-c)*e*x^n]/n, x] /; FreeQ[{c, d, e, n}, x] && EqQ[c*d, 1]
Int[((a_.) + Log[(c_.)*((d_) + (e_.)*(x_))^(n_.)]*(b_.))^(p_)*((f_.) + (g_. )*(x_))^(q_.), x_Symbol] :> Simp[(f + g*x)^(q + 1)*((a + b*Log[c*(d + e*x)^ n])^p/(g*(q + 1))), x] - Simp[b*e*n*(p/(g*(q + 1))) Int[(f + g*x)^(q + 1) *((a + b*Log[c*(d + e*x)^n])^(p - 1)/(d + e*x)), x], x] /; FreeQ[{a, b, c, d, e, f, g, n, q}, x] && NeQ[e*f - d*g, 0] && GtQ[p, 0] && NeQ[q, -1] && In tegersQ[2*p, 2*q] && ( !IGtQ[q, 0] || (EqQ[p, 2] && NeQ[q, 1]))
Int[((a_.) + Log[(c_.)*((d_) + (e_.)*(x_))^(n_.)]*(b_.))^(p_.)*((f_.) + (g_ .)*(x_))^(q_.)*((h_.) + (i_.)*(x_))^(r_.), x_Symbol] :> Simp[1/e Subst[In t[(g*(x/e))^q*((e*h - d*i)/e + i*(x/e))^r*(a + b*Log[c*x^n])^p, x], x, d + e*x], x] /; FreeQ[{a, b, c, d, e, f, g, h, i, n, p, q, r}, x] && EqQ[e*f - d*g, 0] && (IGtQ[p, 0] || IGtQ[r, 0]) && IntegerQ[2*r]
Int[((a_.) + Log[(c_.)*((d_) + (e_.)*(x_)^(n_))^(p_.)]*(b_.))^(q_), x_Symbo l] :> With[{k = Denominator[n]}, Simp[k Subst[Int[x^(k - 1)*(a + b*Log[c* (d + e*x^(k*n))^p])^q, x], x, x^(1/k)], x]] /; FreeQ[{a, b, c, d, e, p, q}, x] && FractionQ[n]
Int[((a_.) + Log[(c_.)*((d_) + (e_.)*(x_)^(n_))^(p_.)]*(b_.))^(q_.)*(x_)^(m _.), x_Symbol] :> Simp[1/n Subst[Int[x^(Simplify[(m + 1)/n] - 1)*(a + b*L og[c*(d + e*x)^p])^q, x], x, x^n], x] /; FreeQ[{a, b, c, d, e, m, n, p, q}, x] && IntegerQ[Simplify[(m + 1)/n]] && (GtQ[(m + 1)/n, 0] || IGtQ[q, 0]) & & !(EqQ[q, 1] && ILtQ[n, 0] && IGtQ[m, 0])
Int[PolyLog[n_, (c_.)*((a_.) + (b_.)*(x_))^(p_.)]/((d_.) + (e_.)*(x_)), x_S ymbol] :> Simp[PolyLog[n + 1, c*(a + b*x)^p]/(e*p), x] /; FreeQ[{a, b, c, d , e, n, p}, x] && EqQ[b*d, a*e]
\[\int {\left (a +b \ln \left (c \left (d +\frac {e}{x^{\frac {1}{3}}}\right )^{n}\right )\right )}^{3}d x\]
Input:
int((a+b*ln(c*(d+e/x^(1/3))^n))^3,x)
Output:
int((a+b*ln(c*(d+e/x^(1/3))^n))^3,x)
\[ \int \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3 \, dx=\int { {\left (b \log \left (c {\left (d + \frac {e}{x^{\frac {1}{3}}}\right )}^{n}\right ) + a\right )}^{3} \,d x } \] Input:
integrate((a+b*log(c*(d+e/x^(1/3))^n))^3,x, algorithm="fricas")
Output:
integral(b^3*log(c*((d*x + e*x^(2/3))/x)^n)^3 + 3*a*b^2*log(c*((d*x + e*x^ (2/3))/x)^n)^2 + 3*a^2*b*log(c*((d*x + e*x^(2/3))/x)^n) + a^3, x)
\[ \int \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3 \, dx=\int \left (a + b \log {\left (c \left (d + \frac {e}{\sqrt [3]{x}}\right )^{n} \right )}\right )^{3}\, dx \] Input:
integrate((a+b*ln(c*(d+e/x**(1/3))**n))**3,x)
Output:
Integral((a + b*log(c*(d + e/x**(1/3))**n))**3, x)
\[ \int \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3 \, dx=\int { {\left (b \log \left (c {\left (d + \frac {e}{x^{\frac {1}{3}}}\right )}^{n}\right ) + a\right )}^{3} \,d x } \] Input:
integrate((a+b*log(c*(d+e/x^(1/3))^n))^3,x, algorithm="maxima")
Output:
b^3*x*log((d*x^(1/3) + e)^n)^3 + 3/2*(e*n*(2*e^2*log(d*x^(1/3) + e)/d^3 + (d*x^(2/3) - 2*e*x^(1/3))/d^2) + 2*x*log(c*(d + e/x^(1/3))^n))*a^2*b + a^3 *x - integrate(((b^3*d*x + b^3*e*x^(2/3))*log(x^(1/3*n))^3 + (b^3*d*n*x - 3*(b^3*d*log(c) + a*b^2*d)*x + 3*(b^3*d*x + b^3*e*x^(2/3))*log(x^(1/3*n)) - 3*(b^3*e*log(c) + a*b^2*e)*x^(2/3))*log((d*x^(1/3) + e)^n)^2 - 3*((b^3*d *log(c) + a*b^2*d)*x + (b^3*e*log(c) + a*b^2*e)*x^(2/3))*log(x^(1/3*n))^2 - (b^3*d*log(c)^3 + 3*a*b^2*d*log(c)^2)*x - 3*((b^3*d*x + b^3*e*x^(2/3))*l og(x^(1/3*n))^2 + (b^3*d*log(c)^2 + 2*a*b^2*d*log(c))*x - 2*((b^3*d*log(c) + a*b^2*d)*x + (b^3*e*log(c) + a*b^2*e)*x^(2/3))*log(x^(1/3*n)) + (b^3*e* log(c)^2 + 2*a*b^2*e*log(c))*x^(2/3))*log((d*x^(1/3) + e)^n) + 3*((b^3*d*l og(c)^2 + 2*a*b^2*d*log(c))*x + (b^3*e*log(c)^2 + 2*a*b^2*e*log(c))*x^(2/3 ))*log(x^(1/3*n)) - (b^3*e*log(c)^3 + 3*a*b^2*e*log(c)^2)*x^(2/3))/(d*x + e*x^(2/3)), x)
\[ \int \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3 \, dx=\int { {\left (b \log \left (c {\left (d + \frac {e}{x^{\frac {1}{3}}}\right )}^{n}\right ) + a\right )}^{3} \,d x } \] Input:
integrate((a+b*log(c*(d+e/x^(1/3))^n))^3,x, algorithm="giac")
Output:
integrate((b*log(c*(d + e/x^(1/3))^n) + a)^3, x)
Timed out. \[ \int \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3 \, dx=\int {\left (a+b\,\ln \left (c\,{\left (d+\frac {e}{x^{1/3}}\right )}^n\right )\right )}^3 \,d x \] Input:
int((a + b*log(c*(d + e/x^(1/3))^n))^3,x)
Output:
int((a + b*log(c*(d + e/x^(1/3))^n))^3, x)
\[ \int \left (a+b \log \left (c \left (d+\frac {e}{\sqrt [3]{x}}\right )^n\right )\right )^3 \, dx =\text {Too large to display} \] Input:
int((a+b*log(c*(d+e/x^(1/3))^n))^3,x)
Output:
(9*x**(2/3)*log(((x**(1/3)*d + e)**n*c)/x**(n/3))**2*b**3*d**2*e*n + 18*x* *(2/3)*log(((x**(1/3)*d + e)**n*c)/x**(n/3))*a*b**2*d**2*e*n + 9*x**(2/3)* a**2*b*d**2*e*n - 6*x**(1/3)*log(((x**(1/3)*d + e)**n*c)/x**(n/3))**3*b**3 *d*e**2 - 18*x**(1/3)*log(((x**(1/3)*d + e)**n*c)/x**(n/3))**2*b**3*d*e**2 *n - 36*x**(1/3)*log(((x**(1/3)*d + e)**n*c)/x**(n/3))*a*b**2*d*e**2*n + 1 8*x**(1/3)*log(((x**(1/3)*d + e)**n*c)/x**(n/3))*b**3*d*e**2*n**2 - 18*x** (1/3)*a**2*b*d*e**2*n + 18*x**(1/3)*a*b**2*d*e**2*n**2 + 2*int(log(((x**(1 /3)*d + e)**n*c)/x**(n/3))**3/(x**(2/3)*e + d*x),x)*b**3*d*e**3 + 12*int(l og(((x**(1/3)*d + e)**n*c)/x**(n/3))/(x**(2/3)*e + d*x),x)*a*b**2*d*e**3*n - 18*int(log(((x**(1/3)*d + e)**n*c)/x**(n/3))/(x**(2/3)*e + d*x),x)*b**3 *d*e**3*n**2 + 2*int((x**(1/3)*log(((x**(1/3)*d + e)**n*c)/x**(n/3))**3)/( x**(2/3)*e + d*x),x)*b**3*d**2*e**2 + 18*log(x**(1/3))*a**2*b*e**3*n - 54* log(x**(1/3))*a*b**2*e**3*n**2 + 18*log(x**(1/3))*b**3*e**3*n**3 + 6*log(( (x**(1/3)*d + e)**n*c)/x**(n/3))**3*b**3*d**3*x + 18*log(((x**(1/3)*d + e) **n*c)/x**(n/3))**2*a*b**2*d**3*x + 18*log(((x**(1/3)*d + e)**n*c)/x**(n/3 ))*a**2*b*d**3*x + 18*log(((x**(1/3)*d + e)**n*c)/x**(n/3))*a**2*b*e**3 - 54*log(((x**(1/3)*d + e)**n*c)/x**(n/3))*a*b**2*e**3*n + 18*log(((x**(1/3) *d + e)**n*c)/x**(n/3))*b**3*e**3*n**2 + 6*a**3*d**3*x)/(6*d**3)