Integrand size = 15, antiderivative size = 34 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 x^4 \, dx=\frac {3}{13} b^2 x^{13/3}+\frac {3}{7} a b x^{14/3}+\frac {a^2 x^5}{5} \]
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Time = 0.02 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {269, 272, 45} \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 x^4 \, dx=\frac {a^2 x^5}{5}+\frac {3}{7} a b x^{14/3}+\frac {3}{13} b^2 x^{13/3} \]
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Rule 45
Rule 269
Rule 272
Rubi steps \begin{align*} \text {integral}& = \int \left (b+a \sqrt [3]{x}\right )^2 x^{10/3} \, dx \\ & = 3 \text {Subst}\left (\int x^{12} (b+a x)^2 \, dx,x,\sqrt [3]{x}\right ) \\ & = 3 \text {Subst}\left (\int \left (b^2 x^{12}+2 a b x^{13}+a^2 x^{14}\right ) \, dx,x,\sqrt [3]{x}\right ) \\ & = \frac {3}{13} b^2 x^{13/3}+\frac {3}{7} a b x^{14/3}+\frac {a^2 x^5}{5} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.00 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 x^4 \, dx=\frac {1}{455} \left (105 b^2+195 a b \sqrt [3]{x}+91 a^2 x^{2/3}\right ) x^{13/3} \]
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Time = 6.16 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.74
method | result | size |
derivativedivides | \(\frac {3 b^{2} x^{\frac {13}{3}}}{13}+\frac {3 a b \,x^{\frac {14}{3}}}{7}+\frac {x^{5} a^{2}}{5}\) | \(25\) |
default | \(\frac {3 b^{2} x^{\frac {13}{3}}}{13}+\frac {3 a b \,x^{\frac {14}{3}}}{7}+\frac {x^{5} a^{2}}{5}\) | \(25\) |
trager | \(\frac {a^{2} \left (x^{4}+x^{3}+x^{2}+x +1\right ) \left (-1+x \right )}{5}+\frac {3 b^{2} x^{\frac {13}{3}}}{13}+\frac {3 a b \,x^{\frac {14}{3}}}{7}\) | \(37\) |
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Time = 0.26 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.71 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 x^4 \, dx=\frac {1}{5} \, a^{2} x^{5} + \frac {3}{7} \, a b x^{\frac {14}{3}} + \frac {3}{13} \, b^{2} x^{\frac {13}{3}} \]
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Time = 0.34 (sec) , antiderivative size = 31, normalized size of antiderivative = 0.91 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 x^4 \, dx=\frac {a^{2} x^{5}}{5} + \frac {3 a b x^{\frac {14}{3}}}{7} + \frac {3 b^{2} x^{\frac {13}{3}}}{13} \]
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Time = 0.21 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.76 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 x^4 \, dx=\frac {1}{455} \, {\left (91 \, a^{2} + \frac {195 \, a b}{x^{\frac {1}{3}}} + \frac {105 \, b^{2}}{x^{\frac {2}{3}}}\right )} x^{5} \]
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Time = 0.27 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.71 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 x^4 \, dx=\frac {1}{5} \, a^{2} x^{5} + \frac {3}{7} \, a b x^{\frac {14}{3}} + \frac {3}{13} \, b^{2} x^{\frac {13}{3}} \]
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Time = 0.05 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.71 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 x^4 \, dx=\frac {a^2\,x^5}{5}+\frac {3\,b^2\,x^{13/3}}{13}+\frac {3\,a\,b\,x^{14/3}}{7} \]
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