Integrand size = 11, antiderivative size = 25 \[ \int \left (2 x+3 x^2\right )^3 \, dx=2 x^4+\frac {36 x^5}{5}+9 x^6+\frac {27 x^7}{7} \]
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Time = 0.01 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {625} \[ \int \left (2 x+3 x^2\right )^3 \, dx=\frac {27 x^7}{7}+9 x^6+\frac {36 x^5}{5}+2 x^4 \]
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Rule 625
Rubi steps \begin{align*} \text {integral}& = \int \left (8 x^3+36 x^4+54 x^5+27 x^6\right ) \, dx \\ & = 2 x^4+\frac {36 x^5}{5}+9 x^6+\frac {27 x^7}{7} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00 \[ \int \left (2 x+3 x^2\right )^3 \, dx=2 x^4+\frac {36 x^5}{5}+9 x^6+\frac {27 x^7}{7} \]
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Time = 0.16 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.84
method | result | size |
gosper | \(\frac {x^{4} \left (135 x^{3}+315 x^{2}+252 x +70\right )}{35}\) | \(21\) |
default | \(2 x^{4}+\frac {36}{5} x^{5}+9 x^{6}+\frac {27}{7} x^{7}\) | \(22\) |
norman | \(2 x^{4}+\frac {36}{5} x^{5}+9 x^{6}+\frac {27}{7} x^{7}\) | \(22\) |
risch | \(2 x^{4}+\frac {36}{5} x^{5}+9 x^{6}+\frac {27}{7} x^{7}\) | \(22\) |
parallelrisch | \(2 x^{4}+\frac {36}{5} x^{5}+9 x^{6}+\frac {27}{7} x^{7}\) | \(22\) |
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none
Time = 0.24 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.84 \[ \int \left (2 x+3 x^2\right )^3 \, dx=\frac {27}{7} \, x^{7} + 9 \, x^{6} + \frac {36}{5} \, x^{5} + 2 \, x^{4} \]
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Time = 0.02 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.88 \[ \int \left (2 x+3 x^2\right )^3 \, dx=\frac {27 x^{7}}{7} + 9 x^{6} + \frac {36 x^{5}}{5} + 2 x^{4} \]
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none
Time = 0.21 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.84 \[ \int \left (2 x+3 x^2\right )^3 \, dx=\frac {27}{7} \, x^{7} + 9 \, x^{6} + \frac {36}{5} \, x^{5} + 2 \, x^{4} \]
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none
Time = 0.29 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.84 \[ \int \left (2 x+3 x^2\right )^3 \, dx=\frac {27}{7} \, x^{7} + 9 \, x^{6} + \frac {36}{5} \, x^{5} + 2 \, x^{4} \]
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Time = 0.05 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.84 \[ \int \left (2 x+3 x^2\right )^3 \, dx=\frac {27\,x^7}{7}+9\,x^6+\frac {36\,x^5}{5}+2\,x^4 \]
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