Integrand size = 13, antiderivative size = 47 \[ \int F^{a+\frac {b}{(c+d x)^3}} \, dx=\frac {F^a (c+d x) \Gamma \left (-\frac {1}{3},-\frac {b \log (F)}{(c+d x)^3}\right ) \sqrt [3]{-\frac {b \log (F)}{(c+d x)^3}}}{3 d} \]
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Time = 0.00 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {2239} \[ \int F^{a+\frac {b}{(c+d x)^3}} \, dx=\frac {F^a (c+d x) \sqrt [3]{-\frac {b \log (F)}{(c+d x)^3}} \Gamma \left (-\frac {1}{3},-\frac {b \log (F)}{(c+d x)^3}\right )}{3 d} \]
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Rule 2239
Rubi steps \begin{align*} \text {integral}& = \frac {F^a (c+d x) \Gamma \left (-\frac {1}{3},-\frac {b \log (F)}{(c+d x)^3}\right ) \sqrt [3]{-\frac {b \log (F)}{(c+d x)^3}}}{3 d} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.00 \[ \int F^{a+\frac {b}{(c+d x)^3}} \, dx=\frac {F^a (c+d x) \Gamma \left (-\frac {1}{3},-\frac {b \log (F)}{(c+d x)^3}\right ) \sqrt [3]{-\frac {b \log (F)}{(c+d x)^3}}}{3 d} \]
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\[\int F^{a +\frac {b}{\left (d x +c \right )^{3}}}d x\]
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Leaf count of result is larger than twice the leaf count of optimal. 129 vs. \(2 (41) = 82\).
Time = 0.11 (sec) , antiderivative size = 129, normalized size of antiderivative = 2.74 \[ \int F^{a+\frac {b}{(c+d x)^3}} \, dx=-\frac {F^{a} d \left (-\frac {b \log \left (F\right )}{d^{3}}\right )^{\frac {1}{3}} \Gamma \left (\frac {2}{3}, -\frac {b \log \left (F\right )}{d^{3} x^{3} + 3 \, c d^{2} x^{2} + 3 \, c^{2} d x + c^{3}}\right ) - {\left (d x + c\right )} F^{\frac {a d^{3} x^{3} + 3 \, a c d^{2} x^{2} + 3 \, a c^{2} d x + a c^{3} + b}{d^{3} x^{3} + 3 \, c d^{2} x^{2} + 3 \, c^{2} d x + c^{3}}}}{d} \]
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\[ \int F^{a+\frac {b}{(c+d x)^3}} \, dx=\int F^{a + \frac {b}{\left (c + d x\right )^{3}}}\, dx \]
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\[ \int F^{a+\frac {b}{(c+d x)^3}} \, dx=\int { F^{a + \frac {b}{{\left (d x + c\right )}^{3}}} \,d x } \]
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\[ \int F^{a+\frac {b}{(c+d x)^3}} \, dx=\int { F^{a + \frac {b}{{\left (d x + c\right )}^{3}}} \,d x } \]
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Time = 0.64 (sec) , antiderivative size = 71, normalized size of antiderivative = 1.51 \[ \int F^{a+\frac {b}{(c+d x)^3}} \, dx=\frac {F^a\,\left (c+d\,x\right )\,\left (F^{\frac {b}{{\left (c+d\,x\right )}^3}}-\Gamma \left (\frac {2}{3},-\frac {b\,\ln \left (F\right )}{{\left (c+d\,x\right )}^3}\right )\,{\left (-\frac {b\,\ln \left (F\right )}{{\left (c+d\,x\right )}^3}\right )}^{1/3}+\Gamma \left (\frac {2}{3}\right )\,{\left (-\frac {b\,\ln \left (F\right )}{{\left (c+d\,x\right )}^3}\right )}^{1/3}\right )}{d} \]
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