Integrand size = 18, antiderivative size = 37 \[ \int x^m \left (a x+b x^3+c x^5\right ) \, dx=\frac {a x^{2+m}}{2+m}+\frac {b x^{4+m}}{4+m}+\frac {c x^{6+m}}{6+m} \]
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Time = 0.01 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.056, Rules used = {14} \[ \int x^m \left (a x+b x^3+c x^5\right ) \, dx=\frac {a x^{m+2}}{m+2}+\frac {b x^{m+4}}{m+4}+\frac {c x^{m+6}}{m+6} \]
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Rule 14
Rubi steps \begin{align*} \text {integral}& = \int \left (a x^{1+m}+b x^{3+m}+c x^{5+m}\right ) \, dx \\ & = \frac {a x^{2+m}}{2+m}+\frac {b x^{4+m}}{4+m}+\frac {c x^{6+m}}{6+m} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.92 \[ \int x^m \left (a x+b x^3+c x^5\right ) \, dx=x^{2+m} \left (\frac {a}{2+m}+\frac {b x^2}{4+m}+\frac {c x^4}{6+m}\right ) \]
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Time = 0.06 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.27
method | result | size |
norman | \(\frac {a \,x^{2} {\mathrm e}^{m \ln \left (x \right )}}{2+m}+\frac {b \,x^{4} {\mathrm e}^{m \ln \left (x \right )}}{4+m}+\frac {c \,x^{6} {\mathrm e}^{m \ln \left (x \right )}}{6+m}\) | \(47\) |
gosper | \(\frac {x^{2+m} \left (c \,m^{2} x^{4}+6 c m \,x^{4}+b \,m^{2} x^{2}+8 c \,x^{4}+8 b m \,x^{2}+a \,m^{2}+12 b \,x^{2}+10 a m +24 a \right )}{\left (2+m \right ) \left (4+m \right ) \left (6+m \right )}\) | \(77\) |
risch | \(\frac {x^{m} \left (c \,m^{2} x^{4}+6 c m \,x^{4}+b \,m^{2} x^{2}+8 c \,x^{4}+8 b m \,x^{2}+a \,m^{2}+12 b \,x^{2}+10 a m +24 a \right ) x^{2}}{\left (6+m \right ) \left (4+m \right ) \left (2+m \right )}\) | \(78\) |
parallelrisch | \(\frac {x^{6} x^{m} c \,m^{2}+6 x^{6} x^{m} c m +8 x^{6} x^{m} c +x^{4} x^{m} b \,m^{2}+8 x^{4} x^{m} b m +12 x^{4} x^{m} b +x^{2} x^{m} a \,m^{2}+10 x^{2} x^{m} a m +24 x^{2} x^{m} a}{\left (6+m \right ) \left (4+m \right ) \left (2+m \right )}\) | \(108\) |
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Time = 0.28 (sec) , antiderivative size = 71, normalized size of antiderivative = 1.92 \[ \int x^m \left (a x+b x^3+c x^5\right ) \, dx=\frac {{\left ({\left (c m^{2} + 6 \, c m + 8 \, c\right )} x^{6} + {\left (b m^{2} + 8 \, b m + 12 \, b\right )} x^{4} + {\left (a m^{2} + 10 \, a m + 24 \, a\right )} x^{2}\right )} x^{m}}{m^{3} + 12 \, m^{2} + 44 \, m + 48} \]
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Leaf count of result is larger than twice the leaf count of optimal. 280 vs. \(2 (29) = 58\).
Time = 0.34 (sec) , antiderivative size = 280, normalized size of antiderivative = 7.57 \[ \int x^m \left (a x+b x^3+c x^5\right ) \, dx=\begin {cases} - \frac {a}{4 x^{4}} - \frac {b}{2 x^{2}} + c \log {\left (x \right )} & \text {for}\: m = -6 \\- \frac {a}{2 x^{2}} + b \log {\left (x \right )} + \frac {c x^{2}}{2} & \text {for}\: m = -4 \\a \log {\left (x \right )} + \frac {b x^{2}}{2} + \frac {c x^{4}}{4} & \text {for}\: m = -2 \\\frac {a m^{2} x^{2} x^{m}}{m^{3} + 12 m^{2} + 44 m + 48} + \frac {10 a m x^{2} x^{m}}{m^{3} + 12 m^{2} + 44 m + 48} + \frac {24 a x^{2} x^{m}}{m^{3} + 12 m^{2} + 44 m + 48} + \frac {b m^{2} x^{4} x^{m}}{m^{3} + 12 m^{2} + 44 m + 48} + \frac {8 b m x^{4} x^{m}}{m^{3} + 12 m^{2} + 44 m + 48} + \frac {12 b x^{4} x^{m}}{m^{3} + 12 m^{2} + 44 m + 48} + \frac {c m^{2} x^{6} x^{m}}{m^{3} + 12 m^{2} + 44 m + 48} + \frac {6 c m x^{6} x^{m}}{m^{3} + 12 m^{2} + 44 m + 48} + \frac {8 c x^{6} x^{m}}{m^{3} + 12 m^{2} + 44 m + 48} & \text {otherwise} \end {cases} \]
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Time = 0.19 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.00 \[ \int x^m \left (a x+b x^3+c x^5\right ) \, dx=\frac {c x^{m + 6}}{m + 6} + \frac {b x^{m + 4}}{m + 4} + \frac {a x^{m + 2}}{m + 2} \]
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Leaf count of result is larger than twice the leaf count of optimal. 107 vs. \(2 (37) = 74\).
Time = 0.31 (sec) , antiderivative size = 107, normalized size of antiderivative = 2.89 \[ \int x^m \left (a x+b x^3+c x^5\right ) \, dx=\frac {c m^{2} x^{6} x^{m} + 6 \, c m x^{6} x^{m} + b m^{2} x^{4} x^{m} + 8 \, c x^{6} x^{m} + 8 \, b m x^{4} x^{m} + a m^{2} x^{2} x^{m} + 12 \, b x^{4} x^{m} + 10 \, a m x^{2} x^{m} + 24 \, a x^{2} x^{m}}{m^{3} + 12 \, m^{2} + 44 \, m + 48} \]
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Time = 8.55 (sec) , antiderivative size = 89, normalized size of antiderivative = 2.41 \[ \int x^m \left (a x+b x^3+c x^5\right ) \, dx=x^m\,\left (\frac {a\,x^2\,\left (m^2+10\,m+24\right )}{m^3+12\,m^2+44\,m+48}+\frac {b\,x^4\,\left (m^2+8\,m+12\right )}{m^3+12\,m^2+44\,m+48}+\frac {c\,x^6\,\left (m^2+6\,m+8\right )}{m^3+12\,m^2+44\,m+48}\right ) \]
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