Integrand size = 11, antiderivative size = 33 \[ \int \frac {1}{1+\sqrt [3]{1+x}} \, dx=-3 \sqrt [3]{1+x}+\frac {3}{2} (1+x)^{2/3}+3 \log \left (1+\sqrt [3]{1+x}\right ) \]
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Time = 0.01 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.273, Rules used = {253, 196, 45} \[ \int \frac {1}{1+\sqrt [3]{1+x}} \, dx=\frac {3}{2} (x+1)^{2/3}-3 \sqrt [3]{x+1}+3 \log \left (\sqrt [3]{x+1}+1\right ) \]
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Rule 45
Rule 196
Rule 253
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int \frac {1}{1+\sqrt [3]{x}} \, dx,x,1+x\right ) \\ & = 3 \text {Subst}\left (\int \frac {x^2}{1+x} \, dx,x,\sqrt [3]{1+x}\right ) \\ & = 3 \text {Subst}\left (\int \left (-1+x+\frac {1}{1+x}\right ) \, dx,x,\sqrt [3]{1+x}\right ) \\ & = -3 \sqrt [3]{1+x}+\frac {3}{2} (1+x)^{2/3}+3 \log \left (1+\sqrt [3]{1+x}\right ) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.00 \[ \int \frac {1}{1+\sqrt [3]{1+x}} \, dx=\frac {3}{2} \sqrt [3]{1+x} \left (-2+\sqrt [3]{1+x}\right )+3 \log \left (1+\sqrt [3]{1+x}\right ) \]
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Time = 0.14 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.79
method | result | size |
derivativedivides | \(-3 \left (1+x \right )^{\frac {1}{3}}+\frac {3 \left (1+x \right )^{\frac {2}{3}}}{2}+3 \ln \left (1+\left (1+x \right )^{\frac {1}{3}}\right )\) | \(26\) |
trager | \(-3 \left (1+x \right )^{\frac {1}{3}}+\frac {3 \left (1+x \right )^{\frac {2}{3}}}{2}+\ln \left (-3 \left (1+x \right )^{\frac {2}{3}}-3 \left (1+x \right )^{\frac {1}{3}}-x -2\right )\) | \(36\) |
default | \(\ln \left (2+x \right )+\frac {3 \left (1+x \right )^{\frac {2}{3}}}{2}+2 \ln \left (1+\left (1+x \right )^{\frac {1}{3}}\right )-\ln \left (\left (1+x \right )^{\frac {2}{3}}-\left (1+x \right )^{\frac {1}{3}}+1\right )-3 \left (1+x \right )^{\frac {1}{3}}\) | \(47\) |
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Time = 0.23 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.76 \[ \int \frac {1}{1+\sqrt [3]{1+x}} \, dx=\frac {3}{2} \, {\left (x + 1\right )}^{\frac {2}{3}} - 3 \, {\left (x + 1\right )}^{\frac {1}{3}} + 3 \, \log \left ({\left (x + 1\right )}^{\frac {1}{3}} + 1\right ) \]
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Time = 0.06 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.88 \[ \int \frac {1}{1+\sqrt [3]{1+x}} \, dx=\frac {3 \left (x + 1\right )^{\frac {2}{3}}}{2} - 3 \sqrt [3]{x + 1} + 3 \log {\left (\sqrt [3]{x + 1} + 1 \right )} \]
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Time = 0.20 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.76 \[ \int \frac {1}{1+\sqrt [3]{1+x}} \, dx=\frac {3}{2} \, {\left (x + 1\right )}^{\frac {2}{3}} - 3 \, {\left (x + 1\right )}^{\frac {1}{3}} + 3 \, \log \left ({\left (x + 1\right )}^{\frac {1}{3}} + 1\right ) \]
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Time = 0.29 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.76 \[ \int \frac {1}{1+\sqrt [3]{1+x}} \, dx=\frac {3}{2} \, {\left (x + 1\right )}^{\frac {2}{3}} - 3 \, {\left (x + 1\right )}^{\frac {1}{3}} + 3 \, \log \left ({\left (x + 1\right )}^{\frac {1}{3}} + 1\right ) \]
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Time = 0.25 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.76 \[ \int \frac {1}{1+\sqrt [3]{1+x}} \, dx=3\,\ln \left ({\left (x+1\right )}^{1/3}+1\right )-3\,{\left (x+1\right )}^{1/3}+\frac {3\,{\left (x+1\right )}^{2/3}}{2} \]
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