Integrand size = 16, antiderivative size = 77 \[ \int x^3 \left (a+b \log \left (c x^n\right )\right )^3 \, dx=-\frac {3}{128} b^3 n^3 x^4+\frac {3}{32} b^2 n^2 x^4 \left (a+b \log \left (c x^n\right )\right )-\frac {3}{16} b n x^4 \left (a+b \log \left (c x^n\right )\right )^2+\frac {1}{4} x^4 \left (a+b \log \left (c x^n\right )\right )^3 \]
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Time = 0.04 (sec) , antiderivative size = 77, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {2342, 2341} \[ \int x^3 \left (a+b \log \left (c x^n\right )\right )^3 \, dx=\frac {3}{32} b^2 n^2 x^4 \left (a+b \log \left (c x^n\right )\right )+\frac {1}{4} x^4 \left (a+b \log \left (c x^n\right )\right )^3-\frac {3}{16} b n x^4 \left (a+b \log \left (c x^n\right )\right )^2-\frac {3}{128} b^3 n^3 x^4 \]
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Rule 2341
Rule 2342
Rubi steps \begin{align*} \text {integral}& = \frac {1}{4} x^4 \left (a+b \log \left (c x^n\right )\right )^3-\frac {1}{4} (3 b n) \int x^3 \left (a+b \log \left (c x^n\right )\right )^2 \, dx \\ & = -\frac {3}{16} b n x^4 \left (a+b \log \left (c x^n\right )\right )^2+\frac {1}{4} x^4 \left (a+b \log \left (c x^n\right )\right )^3+\frac {1}{8} \left (3 b^2 n^2\right ) \int x^3 \left (a+b \log \left (c x^n\right )\right ) \, dx \\ & = -\frac {3}{128} b^3 n^3 x^4+\frac {3}{32} b^2 n^2 x^4 \left (a+b \log \left (c x^n\right )\right )-\frac {3}{16} b n x^4 \left (a+b \log \left (c x^n\right )\right )^2+\frac {1}{4} x^4 \left (a+b \log \left (c x^n\right )\right )^3 \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 66, normalized size of antiderivative = 0.86 \[ \int x^3 \left (a+b \log \left (c x^n\right )\right )^3 \, dx=\frac {1}{4} \left (x^4 \left (a+b \log \left (c x^n\right )\right )^3-\frac {3}{32} b n x^4 \left (b^2 n^2-4 b n \left (a+b \log \left (c x^n\right )\right )+8 \left (a+b \log \left (c x^n\right )\right )^2\right )\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. \(140\) vs. \(2(69)=138\).
Time = 0.40 (sec) , antiderivative size = 141, normalized size of antiderivative = 1.83
method | result | size |
parallelrisch | \(\frac {x^{4} \ln \left (c \,x^{n}\right )^{3} b^{3}}{4}-\frac {3 \ln \left (c \,x^{n}\right )^{2} x^{4} b^{3} n}{16}+\frac {3 \ln \left (c \,x^{n}\right ) x^{4} b^{3} n^{2}}{32}-\frac {3 b^{3} n^{3} x^{4}}{128}+\frac {3 \ln \left (c \,x^{n}\right )^{2} x^{4} a \,b^{2}}{4}-\frac {3 \ln \left (c \,x^{n}\right ) x^{4} a \,b^{2} n}{8}+\frac {3 a \,b^{2} n^{2} x^{4}}{32}+\frac {3 \ln \left (c \,x^{n}\right ) x^{4} a^{2} b}{4}-\frac {3 a^{2} b n \,x^{4}}{16}+\frac {a^{3} x^{4}}{4}\) | \(141\) |
risch | \(\text {Expression too large to display}\) | \(2649\) |
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Leaf count of result is larger than twice the leaf count of optimal. 222 vs. \(2 (69) = 138\).
Time = 0.31 (sec) , antiderivative size = 222, normalized size of antiderivative = 2.88 \[ \int x^3 \left (a+b \log \left (c x^n\right )\right )^3 \, dx=\frac {1}{4} \, b^{3} n^{3} x^{4} \log \left (x\right )^{3} + \frac {1}{4} \, b^{3} x^{4} \log \left (c\right )^{3} - \frac {3}{16} \, {\left (b^{3} n - 4 \, a b^{2}\right )} x^{4} \log \left (c\right )^{2} + \frac {3}{32} \, {\left (b^{3} n^{2} - 4 \, a b^{2} n + 8 \, a^{2} b\right )} x^{4} \log \left (c\right ) - \frac {1}{128} \, {\left (3 \, b^{3} n^{3} - 12 \, a b^{2} n^{2} + 24 \, a^{2} b n - 32 \, a^{3}\right )} x^{4} + \frac {3}{16} \, {\left (4 \, b^{3} n^{2} x^{4} \log \left (c\right ) - {\left (b^{3} n^{3} - 4 \, a b^{2} n^{2}\right )} x^{4}\right )} \log \left (x\right )^{2} + \frac {3}{32} \, {\left (8 \, b^{3} n x^{4} \log \left (c\right )^{2} - 4 \, {\left (b^{3} n^{2} - 4 \, a b^{2} n\right )} x^{4} \log \left (c\right ) + {\left (b^{3} n^{3} - 4 \, a b^{2} n^{2} + 8 \, a^{2} b n\right )} x^{4}\right )} \log \left (x\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 167 vs. \(2 (75) = 150\).
Time = 0.45 (sec) , antiderivative size = 167, normalized size of antiderivative = 2.17 \[ \int x^3 \left (a+b \log \left (c x^n\right )\right )^3 \, dx=\frac {a^{3} x^{4}}{4} - \frac {3 a^{2} b n x^{4}}{16} + \frac {3 a^{2} b x^{4} \log {\left (c x^{n} \right )}}{4} + \frac {3 a b^{2} n^{2} x^{4}}{32} - \frac {3 a b^{2} n x^{4} \log {\left (c x^{n} \right )}}{8} + \frac {3 a b^{2} x^{4} \log {\left (c x^{n} \right )}^{2}}{4} - \frac {3 b^{3} n^{3} x^{4}}{128} + \frac {3 b^{3} n^{2} x^{4} \log {\left (c x^{n} \right )}}{32} - \frac {3 b^{3} n x^{4} \log {\left (c x^{n} \right )}^{2}}{16} + \frac {b^{3} x^{4} \log {\left (c x^{n} \right )}^{3}}{4} \]
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none
Time = 0.19 (sec) , antiderivative size = 135, normalized size of antiderivative = 1.75 \[ \int x^3 \left (a+b \log \left (c x^n\right )\right )^3 \, dx=\frac {1}{4} \, b^{3} x^{4} \log \left (c x^{n}\right )^{3} + \frac {3}{4} \, a b^{2} x^{4} \log \left (c x^{n}\right )^{2} - \frac {3}{16} \, a^{2} b n x^{4} + \frac {3}{4} \, a^{2} b x^{4} \log \left (c x^{n}\right ) + \frac {1}{4} \, a^{3} x^{4} + \frac {3}{32} \, {\left (n^{2} x^{4} - 4 \, n x^{4} \log \left (c x^{n}\right )\right )} a b^{2} - \frac {3}{128} \, {\left (8 \, n x^{4} \log \left (c x^{n}\right )^{2} + {\left (n^{2} x^{4} - 4 \, n x^{4} \log \left (c x^{n}\right )\right )} n\right )} b^{3} \]
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Leaf count of result is larger than twice the leaf count of optimal. 262 vs. \(2 (69) = 138\).
Time = 0.30 (sec) , antiderivative size = 262, normalized size of antiderivative = 3.40 \[ \int x^3 \left (a+b \log \left (c x^n\right )\right )^3 \, dx=\frac {1}{4} \, b^{3} n^{3} x^{4} \log \left (x\right )^{3} - \frac {3}{16} \, b^{3} n^{3} x^{4} \log \left (x\right )^{2} + \frac {3}{4} \, b^{3} n^{2} x^{4} \log \left (c\right ) \log \left (x\right )^{2} + \frac {3}{32} \, b^{3} n^{3} x^{4} \log \left (x\right ) - \frac {3}{8} \, b^{3} n^{2} x^{4} \log \left (c\right ) \log \left (x\right ) + \frac {3}{4} \, b^{3} n x^{4} \log \left (c\right )^{2} \log \left (x\right ) + \frac {3}{4} \, a b^{2} n^{2} x^{4} \log \left (x\right )^{2} - \frac {3}{128} \, b^{3} n^{3} x^{4} + \frac {3}{32} \, b^{3} n^{2} x^{4} \log \left (c\right ) - \frac {3}{16} \, b^{3} n x^{4} \log \left (c\right )^{2} + \frac {1}{4} \, b^{3} x^{4} \log \left (c\right )^{3} - \frac {3}{8} \, a b^{2} n^{2} x^{4} \log \left (x\right ) + \frac {3}{2} \, a b^{2} n x^{4} \log \left (c\right ) \log \left (x\right ) + \frac {3}{32} \, a b^{2} n^{2} x^{4} - \frac {3}{8} \, a b^{2} n x^{4} \log \left (c\right ) + \frac {3}{4} \, a b^{2} x^{4} \log \left (c\right )^{2} + \frac {3}{4} \, a^{2} b n x^{4} \log \left (x\right ) - \frac {3}{16} \, a^{2} b n x^{4} + \frac {3}{4} \, a^{2} b x^{4} \log \left (c\right ) + \frac {1}{4} \, a^{3} x^{4} \]
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Time = 0.37 (sec) , antiderivative size = 110, normalized size of antiderivative = 1.43 \[ \int x^3 \left (a+b \log \left (c x^n\right )\right )^3 \, dx=x^4\,\left (\frac {a^3}{4}-\frac {3\,a^2\,b\,n}{16}+\frac {3\,a\,b^2\,n^2}{32}-\frac {3\,b^3\,n^3}{128}\right )+\frac {x^4\,\ln \left (c\,x^n\right )\,\left (6\,a^2\,b-3\,a\,b^2\,n+\frac {3\,b^3\,n^2}{4}\right )}{8}+\frac {x^4\,{\ln \left (c\,x^n\right )}^2\,\left (3\,a\,b^2-\frac {3\,b^3\,n}{4}\right )}{4}+\frac {b^3\,x^4\,{\ln \left (c\,x^n\right )}^3}{4} \]
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