Integrand size = 13, antiderivative size = 36 \[ \int x^{5/3} (a+b x)^2 \, dx=\frac {3}{8} a^2 x^{8/3}+\frac {6}{11} a b x^{11/3}+\frac {3}{14} b^2 x^{14/3} \]
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Time = 0.01 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {45} \[ \int x^{5/3} (a+b x)^2 \, dx=\frac {3}{8} a^2 x^{8/3}+\frac {6}{11} a b x^{11/3}+\frac {3}{14} b^2 x^{14/3} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (a^2 x^{5/3}+2 a b x^{8/3}+b^2 x^{11/3}\right ) \, dx \\ & = \frac {3}{8} a^2 x^{8/3}+\frac {6}{11} a b x^{11/3}+\frac {3}{14} b^2 x^{14/3} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.78 \[ \int x^{5/3} (a+b x)^2 \, dx=\frac {3}{616} x^{8/3} \left (77 a^2+112 a b x+44 b^2 x^2\right ) \]
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Time = 0.09 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.69
method | result | size |
gosper | \(\frac {3 x^{\frac {8}{3}} \left (44 b^{2} x^{2}+112 a b x +77 a^{2}\right )}{616}\) | \(25\) |
derivativedivides | \(\frac {3 a^{2} x^{\frac {8}{3}}}{8}+\frac {6 a b \,x^{\frac {11}{3}}}{11}+\frac {3 b^{2} x^{\frac {14}{3}}}{14}\) | \(25\) |
default | \(\frac {3 a^{2} x^{\frac {8}{3}}}{8}+\frac {6 a b \,x^{\frac {11}{3}}}{11}+\frac {3 b^{2} x^{\frac {14}{3}}}{14}\) | \(25\) |
trager | \(\frac {3 x^{\frac {8}{3}} \left (44 b^{2} x^{2}+112 a b x +77 a^{2}\right )}{616}\) | \(25\) |
risch | \(\frac {3 x^{\frac {8}{3}} \left (44 b^{2} x^{2}+112 a b x +77 a^{2}\right )}{616}\) | \(25\) |
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none
Time = 0.21 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.81 \[ \int x^{5/3} (a+b x)^2 \, dx=\frac {3}{616} \, {\left (44 \, b^{2} x^{4} + 112 \, a b x^{3} + 77 \, a^{2} x^{2}\right )} x^{\frac {2}{3}} \]
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Time = 0.60 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.94 \[ \int x^{5/3} (a+b x)^2 \, dx=\frac {3 a^{2} x^{\frac {8}{3}}}{8} + \frac {6 a b x^{\frac {11}{3}}}{11} + \frac {3 b^{2} x^{\frac {14}{3}}}{14} \]
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none
Time = 0.20 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.67 \[ \int x^{5/3} (a+b x)^2 \, dx=\frac {3}{14} \, b^{2} x^{\frac {14}{3}} + \frac {6}{11} \, a b x^{\frac {11}{3}} + \frac {3}{8} \, a^{2} x^{\frac {8}{3}} \]
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none
Time = 0.30 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.67 \[ \int x^{5/3} (a+b x)^2 \, dx=\frac {3}{14} \, b^{2} x^{\frac {14}{3}} + \frac {6}{11} \, a b x^{\frac {11}{3}} + \frac {3}{8} \, a^{2} x^{\frac {8}{3}} \]
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Time = 0.05 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.67 \[ \int x^{5/3} (a+b x)^2 \, dx=\frac {3\,x^{8/3}\,\left (77\,a^2+112\,a\,b\,x+44\,b^2\,x^2\right )}{616} \]
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