Integrand size = 14, antiderivative size = 27 \[ \int x^2 \left (a+b \log \left (c x^n\right )\right ) \, dx=-\frac {1}{9} b n x^3+\frac {1}{3} x^3 \left (a+b \log \left (c x^n\right )\right ) \]
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Time = 0.01 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.071, Rules used = {2341} \[ \int x^2 \left (a+b \log \left (c x^n\right )\right ) \, dx=\frac {1}{3} x^3 \left (a+b \log \left (c x^n\right )\right )-\frac {1}{9} b n x^3 \]
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Rule 2341
Rubi steps \begin{align*} \text {integral}& = -\frac {1}{9} b n x^3+\frac {1}{3} x^3 \left (a+b \log \left (c x^n\right )\right ) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.19 \[ \int x^2 \left (a+b \log \left (c x^n\right )\right ) \, dx=\frac {a x^3}{3}-\frac {1}{9} b n x^3+\frac {1}{3} b x^3 \log \left (c x^n\right ) \]
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Time = 0.07 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00
method | result | size |
parallelrisch | \(\frac {x^{3} b \ln \left (c \,x^{n}\right )}{3}-\frac {b n \,x^{3}}{9}+\frac {x^{3} a}{3}\) | \(27\) |
risch | \(\frac {b \,x^{3} \ln \left (x^{n}\right )}{3}+\frac {x^{3} \left (-3 i b \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i x^{n}\right ) \operatorname {csgn}\left (i c \,x^{n}\right )+3 i b \pi \,\operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i c \,x^{n}\right )^{2}+3 i b \pi \,\operatorname {csgn}\left (i x^{n}\right ) \operatorname {csgn}\left (i c \,x^{n}\right )^{2}-3 i b \pi \operatorname {csgn}\left (i c \,x^{n}\right )^{3}+6 b \ln \left (c \right )-2 b n +6 a \right )}{18}\) | \(112\) |
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none
Time = 0.29 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.11 \[ \int x^2 \left (a+b \log \left (c x^n\right )\right ) \, dx=\frac {1}{3} \, b n x^{3} \log \left (x\right ) + \frac {1}{3} \, b x^{3} \log \left (c\right ) - \frac {1}{9} \, {\left (b n - 3 \, a\right )} x^{3} \]
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Time = 0.16 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00 \[ \int x^2 \left (a+b \log \left (c x^n\right )\right ) \, dx=\frac {a x^{3}}{3} - \frac {b n x^{3}}{9} + \frac {b x^{3} \log {\left (c x^{n} \right )}}{3} \]
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none
Time = 0.18 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.96 \[ \int x^2 \left (a+b \log \left (c x^n\right )\right ) \, dx=-\frac {1}{9} \, b n x^{3} + \frac {1}{3} \, b x^{3} \log \left (c x^{n}\right ) + \frac {1}{3} \, a x^{3} \]
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none
Time = 0.29 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.15 \[ \int x^2 \left (a+b \log \left (c x^n\right )\right ) \, dx=\frac {1}{3} \, b n x^{3} \log \left (x\right ) - \frac {1}{9} \, b n x^{3} + \frac {1}{3} \, b x^{3} \log \left (c\right ) + \frac {1}{3} \, a x^{3} \]
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Time = 0.30 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.93 \[ \int x^2 \left (a+b \log \left (c x^n\right )\right ) \, dx=x^3\,\left (\frac {a}{3}-\frac {b\,n}{9}\right )+\frac {b\,x^3\,\ln \left (c\,x^n\right )}{3} \]
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