Optimal. Leaf size=92 \[ \frac {3 (3-x) (1+x)}{20 \left (9+3 x-5 x^2+x^3\right )^{4/3}}+\frac {9 (3-x)^2 (1+x)}{80 \left (9+3 x-5 x^2+x^3\right )^{4/3}}-\frac {27 (3-x)^3 (1+x)}{320 \left (9+3 x-5 x^2+x^3\right )^{4/3}} \]
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Rubi [A]
time = 0.06, antiderivative size = 92, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 4, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.235, Rules used = {2092, 2089, 47,
37} \begin {gather*} -\frac {27 (x+1) (3-x)^3}{320 \left (x^3-5 x^2+3 x+9\right )^{4/3}}+\frac {9 (x+1) (3-x)^2}{80 \left (x^3-5 x^2+3 x+9\right )^{4/3}}+\frac {3 (x+1) (3-x)}{20 \left (x^3-5 x^2+3 x+9\right )^{4/3}} \end {gather*}
Antiderivative was successfully verified.
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Rule 37
Rule 47
Rule 2089
Rule 2092
Rubi steps
\begin {align*} \int \frac {1}{\left (9+3 x-5 x^2+x^3\right )^{4/3}} \, dx &=\text {Subst}\left (\int \frac {1}{\left (\frac {128}{27}-\frac {16 x}{3}+x^3\right )^{4/3}} \, dx,x,-\frac {5}{3}+x\right )\\ &=\frac {\left (262144\ 2^{2/3} (3-x)^{8/3} (1+x)^{4/3}\right ) \text {Subst}\left (\int \frac {1}{\left (\frac {128}{9}-\frac {32 x}{3}\right )^{8/3} \left (\frac {128}{9}+\frac {16 x}{3}\right )^{4/3}} \, dx,x,-\frac {5}{3}+x\right )}{81 \left (9+3 x-5 x^2+x^3\right )^{4/3}}\\ &=\frac {3 (3-x) (1+x)}{20 \left (9+3 x-5 x^2+x^3\right )^{4/3}}+\frac {\left (4096\ 2^{2/3} (3-x)^{8/3} (1+x)^{4/3}\right ) \text {Subst}\left (\int \frac {1}{\left (\frac {128}{9}-\frac {32 x}{3}\right )^{5/3} \left (\frac {128}{9}+\frac {16 x}{3}\right )^{4/3}} \, dx,x,-\frac {5}{3}+x\right )}{45 \left (9+3 x-5 x^2+x^3\right )^{4/3}}\\ &=\frac {3 (3-x) (1+x)}{20 \left (9+3 x-5 x^2+x^3\right )^{4/3}}+\frac {9 (3-x)^2 (1+x)}{80 \left (9+3 x-5 x^2+x^3\right )^{4/3}}+\frac {\left (16\ 2^{2/3} (3-x)^{8/3} (1+x)^{4/3}\right ) \text {Subst}\left (\int \frac {1}{\left (\frac {128}{9}-\frac {32 x}{3}\right )^{2/3} \left (\frac {128}{9}+\frac {16 x}{3}\right )^{4/3}} \, dx,x,-\frac {5}{3}+x\right )}{5 \left (9+3 x-5 x^2+x^3\right )^{4/3}}\\ &=\frac {3 (3-x) (1+x)}{20 \left (9+3 x-5 x^2+x^3\right )^{4/3}}+\frac {9 (3-x)^2 (1+x)}{80 \left (9+3 x-5 x^2+x^3\right )^{4/3}}-\frac {27 (3-x)^3 (1+x)}{320 \left (9+3 x-5 x^2+x^3\right )^{4/3}}\\ \end {align*}
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Mathematica [A]
time = 0.04, size = 32, normalized size = 0.35 \begin {gather*} \frac {3 \left (29-42 x+9 x^2\right )}{320 (-3+x) \sqrt [3]{(-3+x)^2 (1+x)}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.02, size = 29, normalized size = 0.32
method | result | size |
risch | \(\frac {\frac {27}{320} x^{2}-\frac {63}{160} x +\frac {87}{320}}{\left (-3+x \right ) \left (\left (1+x \right ) \left (-3+x \right )^{2}\right )^{\frac {1}{3}}}\) | \(29\) |
gosper | \(\frac {3 \left (1+x \right ) \left (-3+x \right ) \left (9 x^{2}-42 x +29\right )}{320 \left (x^{3}-5 x^{2}+3 x +9\right )^{\frac {4}{3}}}\) | \(34\) |
trager | \(\frac {3 \left (9 x^{2}-42 x +29\right ) \left (x^{3}-5 x^{2}+3 x +9\right )^{\frac {2}{3}}}{320 \left (-3+x \right )^{3} \left (1+x \right )}\) | \(38\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.39, size = 44, normalized size = 0.48 \begin {gather*} \frac {3 \, {\left (x^{3} - 5 \, x^{2} + 3 \, x + 9\right )}^{\frac {2}{3}} {\left (9 \, x^{2} - 42 \, x + 29\right )}}{320 \, {\left (x^{4} - 8 \, x^{3} + 18 \, x^{2} - 27\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {1}{\left (x^{3} - 5 x^{2} + 3 x + 9\right )^{\frac {4}{3}}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.08, size = 37, normalized size = 0.40 \begin {gather*} \frac {3\,\left (9\,x^2-42\,x+29\right )\,{\left (x^3-5\,x^2+3\,x+9\right )}^{2/3}}{320\,\left (x+1\right )\,{\left (x-3\right )}^3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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