Integrand size = 19, antiderivative size = 558 \[ \int \frac {(2+3 x)^3}{\sqrt [3]{4+27 x^2}} \, dx=\frac {1}{30} (2+3 x)^2 \left (4+27 x^2\right )^{2/3}+\frac {4}{35} (7+4 x) \left (4+27 x^2\right )^{2/3}-\frac {96 x}{7 \left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )}+\frac {16 \sqrt [3]{2} \sqrt {2+\sqrt {3}} \left (2^{2/3}-\sqrt [3]{4+27 x^2}\right ) \sqrt {\frac {2 \sqrt [3]{2}+2^{2/3} \sqrt [3]{4+27 x^2}+\left (4+27 x^2\right )^{2/3}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}} E\left (\arcsin \left (\frac {2^{2/3} \left (1+\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}{2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}\right )|-7+4 \sqrt {3}\right )}{21\ 3^{3/4} x \sqrt {-\frac {2^{2/3}-\sqrt [3]{4+27 x^2}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}}}-\frac {32\ 2^{5/6} \left (2^{2/3}-\sqrt [3]{4+27 x^2}\right ) \sqrt {\frac {2 \sqrt [3]{2}+2^{2/3} \sqrt [3]{4+27 x^2}+\left (4+27 x^2\right )^{2/3}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}} \operatorname {EllipticF}\left (\arcsin \left (\frac {2^{2/3} \left (1+\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}{2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}\right ),-7+4 \sqrt {3}\right )}{63 \sqrt [4]{3} x \sqrt {-\frac {2^{2/3}-\sqrt [3]{4+27 x^2}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}}} \]
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Time = 0.30 (sec) , antiderivative size = 558, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.316, Rules used = {757, 794, 241, 310, 225, 1893} \[ \int \frac {(2+3 x)^3}{\sqrt [3]{4+27 x^2}} \, dx=-\frac {32\ 2^{5/6} \left (2^{2/3}-\sqrt [3]{27 x^2+4}\right ) \sqrt {\frac {\left (27 x^2+4\right )^{2/3}+2^{2/3} \sqrt [3]{27 x^2+4}+2 \sqrt [3]{2}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}\right )^2}} \operatorname {EllipticF}\left (\arcsin \left (\frac {2^{2/3} \left (1+\sqrt {3}\right )-\sqrt [3]{27 x^2+4}}{2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}}\right ),-7+4 \sqrt {3}\right )}{63 \sqrt [4]{3} x \sqrt {-\frac {2^{2/3}-\sqrt [3]{27 x^2+4}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}\right )^2}}}+\frac {16 \sqrt [3]{2} \sqrt {2+\sqrt {3}} \left (2^{2/3}-\sqrt [3]{27 x^2+4}\right ) \sqrt {\frac {\left (27 x^2+4\right )^{2/3}+2^{2/3} \sqrt [3]{27 x^2+4}+2 \sqrt [3]{2}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}\right )^2}} E\left (\arcsin \left (\frac {2^{2/3} \left (1+\sqrt {3}\right )-\sqrt [3]{27 x^2+4}}{2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}}\right )|-7+4 \sqrt {3}\right )}{21\ 3^{3/4} x \sqrt {-\frac {2^{2/3}-\sqrt [3]{27 x^2+4}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}\right )^2}}}+\frac {1}{30} \left (27 x^2+4\right )^{2/3} (3 x+2)^2+\frac {4}{35} (4 x+7) \left (27 x^2+4\right )^{2/3}-\frac {96 x}{7 \left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{27 x^2+4}\right )} \]
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Rule 225
Rule 241
Rule 310
Rule 757
Rule 794
Rule 1893
Rubi steps \begin{align*} \text {integral}& = \frac {1}{30} (2+3 x)^2 \left (4+27 x^2\right )^{2/3}+\frac {1}{90} \int \frac {(2+3 x) (288+864 x)}{\sqrt [3]{4+27 x^2}} \, dx \\ & = \frac {1}{30} (2+3 x)^2 \left (4+27 x^2\right )^{2/3}+\frac {4}{35} (7+4 x) \left (4+27 x^2\right )^{2/3}+\frac {32}{7} \int \frac {1}{\sqrt [3]{4+27 x^2}} \, dx \\ & = \frac {1}{30} (2+3 x)^2 \left (4+27 x^2\right )^{2/3}+\frac {4}{35} (7+4 x) \left (4+27 x^2\right )^{2/3}+\frac {\left (16 \sqrt {x^2}\right ) \text {Subst}\left (\int \frac {x}{\sqrt {-4+x^3}} \, dx,x,\sqrt [3]{4+27 x^2}\right )}{7 \sqrt {3} x} \\ & = \frac {1}{30} (2+3 x)^2 \left (4+27 x^2\right )^{2/3}+\frac {4}{35} (7+4 x) \left (4+27 x^2\right )^{2/3}-\frac {\left (16 \sqrt {x^2}\right ) \text {Subst}\left (\int \frac {2^{2/3} \left (1+\sqrt {3}\right )-x}{\sqrt {-4+x^3}} \, dx,x,\sqrt [3]{4+27 x^2}\right )}{7 \sqrt {3} x}+\frac {\left (16\ 2^{2/3} \left (1+\sqrt {3}\right ) \sqrt {x^2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {-4+x^3}} \, dx,x,\sqrt [3]{4+27 x^2}\right )}{7 \sqrt {3} x} \\ & = \frac {1}{30} (2+3 x)^2 \left (4+27 x^2\right )^{2/3}+\frac {4}{35} (7+4 x) \left (4+27 x^2\right )^{2/3}-\frac {96 x}{7 \left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )}+\frac {16 \sqrt [3]{2} \sqrt {2+\sqrt {3}} \left (2^{2/3}-\sqrt [3]{4+27 x^2}\right ) \sqrt {\frac {2 \sqrt [3]{2}+2^{2/3} \sqrt [3]{4+27 x^2}+\left (4+27 x^2\right )^{2/3}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}} E\left (\sin ^{-1}\left (\frac {2^{2/3} \left (1+\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}{2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}\right )|-7+4 \sqrt {3}\right )}{21\ 3^{3/4} x \sqrt {-\frac {2^{2/3}-\sqrt [3]{4+27 x^2}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}}}-\frac {32\ 2^{5/6} \left (2^{2/3}-\sqrt [3]{4+27 x^2}\right ) \sqrt {\frac {2 \sqrt [3]{2}+2^{2/3} \sqrt [3]{4+27 x^2}+\left (4+27 x^2\right )^{2/3}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}} F\left (\sin ^{-1}\left (\frac {2^{2/3} \left (1+\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}{2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}}\right )|-7+4 \sqrt {3}\right )}{63 \sqrt [4]{3} x \sqrt {-\frac {2^{2/3}-\sqrt [3]{4+27 x^2}}{\left (2^{2/3} \left (1-\sqrt {3}\right )-\sqrt [3]{4+27 x^2}\right )^2}}} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 16.38 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.09 \[ \int \frac {(2+3 x)^3}{\sqrt [3]{4+27 x^2}} \, dx=\frac {1}{210} \left (4+27 x^2\right )^{2/3} \left (196+180 x+63 x^2\right )+\frac {16}{7} \sqrt [3]{2} x \operatorname {Hypergeometric2F1}\left (\frac {1}{3},\frac {1}{2},\frac {3}{2},-\frac {27 x^2}{4}\right ) \]
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Result contains higher order function than in optimal. Order 5 vs. order 4.
Time = 2.63 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.07
method | result | size |
risch | \(\frac {\left (63 x^{2}+180 x +196\right ) \left (27 x^{2}+4\right )^{\frac {2}{3}}}{210}+\frac {16 \,2^{\frac {1}{3}} x {}_{2}^{}{\moversetsp {}{\mundersetsp {}{F_{1}^{}}}}\left (\frac {1}{3},\frac {1}{2};\frac {3}{2};-\frac {27 x^{2}}{4}\right )}{7}\) | \(40\) |
meijerg | \(4 \,2^{\frac {1}{3}} x {}_{2}^{}{\moversetsp {}{\mundersetsp {}{F_{1}^{}}}}\left (\frac {1}{3},\frac {1}{2};\frac {3}{2};-\frac {27 x^{2}}{4}\right )+9 \,2^{\frac {1}{3}} x^{2} {}_{2}^{}{\moversetsp {}{\mundersetsp {}{F_{1}^{}}}}\left (\frac {1}{3},1;2;-\frac {27 x^{2}}{4}\right )+9 \,2^{\frac {1}{3}} x^{3} {}_{2}^{}{\moversetsp {}{\mundersetsp {}{F_{1}^{}}}}\left (\frac {1}{3},\frac {3}{2};\frac {5}{2};-\frac {27 x^{2}}{4}\right )+\frac {27 \,2^{\frac {1}{3}} x^{4} {}_{2}^{}{\moversetsp {}{\mundersetsp {}{F_{1}^{}}}}\left (\frac {1}{3},2;3;-\frac {27 x^{2}}{4}\right )}{8}\) | \(76\) |
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\[ \int \frac {(2+3 x)^3}{\sqrt [3]{4+27 x^2}} \, dx=\int { \frac {{\left (3 \, x + 2\right )}^{3}}{{\left (27 \, x^{2} + 4\right )}^{\frac {1}{3}}} \,d x } \]
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Time = 2.77 (sec) , antiderivative size = 85, normalized size of antiderivative = 0.15 \[ \int \frac {(2+3 x)^3}{\sqrt [3]{4+27 x^2}} \, dx=9 \cdot \sqrt [3]{2} x^{3} {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{3}, \frac {3}{2} \\ \frac {5}{2} \end {matrix}\middle | {\frac {27 x^{2} e^{i \pi }}{4}} \right )} + \frac {3 x^{2} \left (27 x^{2} + 4\right )^{\frac {2}{3}}}{10} + 4 \cdot \sqrt [3]{2} x {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{3}, \frac {1}{2} \\ \frac {3}{2} \end {matrix}\middle | {\frac {27 x^{2} e^{i \pi }}{4}} \right )} + \frac {14 \left (27 x^{2} + 4\right )^{\frac {2}{3}}}{15} \]
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\[ \int \frac {(2+3 x)^3}{\sqrt [3]{4+27 x^2}} \, dx=\int { \frac {{\left (3 \, x + 2\right )}^{3}}{{\left (27 \, x^{2} + 4\right )}^{\frac {1}{3}}} \,d x } \]
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\[ \int \frac {(2+3 x)^3}{\sqrt [3]{4+27 x^2}} \, dx=\int { \frac {{\left (3 \, x + 2\right )}^{3}}{{\left (27 \, x^{2} + 4\right )}^{\frac {1}{3}}} \,d x } \]
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Timed out. \[ \int \frac {(2+3 x)^3}{\sqrt [3]{4+27 x^2}} \, dx=\int \frac {{\left (3\,x+2\right )}^3}{{\left (27\,x^2+4\right )}^{1/3}} \,d x \]
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