Integrand size = 11, antiderivative size = 29 \[ \int \left (a+b \sqrt [3]{x}\right )^2 \, dx=a^2 x+\frac {3}{2} a b x^{4/3}+\frac {3}{5} b^2 x^{5/3} \]
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Time = 0.01 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {196, 45} \[ \int \left (a+b \sqrt [3]{x}\right )^2 \, dx=a^2 x+\frac {3}{2} a b x^{4/3}+\frac {3}{5} b^2 x^{5/3} \]
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Rule 45
Rule 196
Rubi steps \begin{align*} \text {integral}& = 3 \text {Subst}\left (\int x^2 (a+b x)^2 \, dx,x,\sqrt [3]{x}\right ) \\ & = 3 \text {Subst}\left (\int \left (a^2 x^2+2 a b x^3+b^2 x^4\right ) \, dx,x,\sqrt [3]{x}\right ) \\ & = a^2 x+\frac {3}{2} a b x^{4/3}+\frac {3}{5} b^2 x^{5/3} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.03 \[ \int \left (a+b \sqrt [3]{x}\right )^2 \, dx=\frac {1}{10} \left (10 a^2 x+15 a b x^{4/3}+6 b^2 x^{5/3}\right ) \]
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Time = 5.91 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.76
method | result | size |
derivativedivides | \(a^{2} x +\frac {3 a b \,x^{\frac {4}{3}}}{2}+\frac {3 b^{2} x^{\frac {5}{3}}}{5}\) | \(22\) |
default | \(a^{2} x +\frac {3 a b \,x^{\frac {4}{3}}}{2}+\frac {3 b^{2} x^{\frac {5}{3}}}{5}\) | \(22\) |
trager | \(a^{2} \left (-1+x \right )+\frac {3 a b \,x^{\frac {4}{3}}}{2}+\frac {3 b^{2} x^{\frac {5}{3}}}{5}\) | \(24\) |
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Time = 0.26 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.72 \[ \int \left (a+b \sqrt [3]{x}\right )^2 \, dx=\frac {3}{5} \, b^{2} x^{\frac {5}{3}} + \frac {3}{2} \, a b x^{\frac {4}{3}} + a^{2} x \]
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Time = 0.29 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.93 \[ \int \left (a+b \sqrt [3]{x}\right )^2 \, dx=a^{2} x + \frac {3 a b x^{\frac {4}{3}}}{2} + \frac {3 b^{2} x^{\frac {5}{3}}}{5} \]
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Time = 0.22 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.72 \[ \int \left (a+b \sqrt [3]{x}\right )^2 \, dx=\frac {3}{5} \, b^{2} x^{\frac {5}{3}} + \frac {3}{2} \, a b x^{\frac {4}{3}} + a^{2} x \]
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Time = 0.27 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.72 \[ \int \left (a+b \sqrt [3]{x}\right )^2 \, dx=\frac {3}{5} \, b^{2} x^{\frac {5}{3}} + \frac {3}{2} \, a b x^{\frac {4}{3}} + a^{2} x \]
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Time = 5.61 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.72 \[ \int \left (a+b \sqrt [3]{x}\right )^2 \, dx=a^2\,x+\frac {3\,b^2\,x^{5/3}}{5}+\frac {3\,a\,b\,x^{4/3}}{2} \]
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