Integrand size = 11, antiderivative size = 16 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 \, dx=\frac {\left (a+\frac {b}{\sqrt [3]{x}}\right )^3 x}{a} \]
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Time = 0.01 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {196, 37} \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 \, dx=\frac {x \left (a+\frac {b}{\sqrt [3]{x}}\right )^3}{a} \]
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Rule 37
Rule 196
Rubi steps \begin{align*} \text {integral}& = -\left (3 \text {Subst}\left (\int \frac {(a+b x)^2}{x^4} \, dx,x,\frac {1}{\sqrt [3]{x}}\right )\right ) \\ & = \frac {\left (a+\frac {b}{\sqrt [3]{x}}\right )^3 x}{a} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.56 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 \, dx=3 b^2 \sqrt [3]{x}+3 a b x^{2/3}+a^2 x \]
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Time = 3.68 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.88
method | result | size |
derivativedivides | \(\frac {\left (b +a \,x^{\frac {1}{3}}\right )^{3}}{a}\) | \(14\) |
default | \(\frac {\left (b +a \,x^{\frac {1}{3}}\right )^{3}}{a}\) | \(14\) |
trager | \(a^{2} \left (-1+x \right )+3 b^{2} x^{\frac {1}{3}}+3 a b \,x^{\frac {2}{3}}\) | \(24\) |
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Time = 0.26 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.31 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 \, dx=a^{2} x + 3 \, a b x^{\frac {2}{3}} + 3 \, b^{2} x^{\frac {1}{3}} \]
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Time = 0.07 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.50 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 \, dx=a^{2} x + 3 a b x^{\frac {2}{3}} + 3 b^{2} \sqrt [3]{x} \]
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none
Time = 0.20 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.31 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 \, dx=a^{2} x + 3 \, a b x^{\frac {2}{3}} + 3 \, b^{2} x^{\frac {1}{3}} \]
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none
Time = 0.26 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.31 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 \, dx=a^{2} x + 3 \, a b x^{\frac {2}{3}} + 3 \, b^{2} x^{\frac {1}{3}} \]
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Time = 0.04 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.31 \[ \int \left (a+\frac {b}{\sqrt [3]{x}}\right )^2 \, dx=a^2\,x+3\,b^2\,x^{1/3}+3\,a\,b\,x^{2/3} \]
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