Optimal. Leaf size=197 \[ -\frac {(a B+5 A b) \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )}{54 a^{8/3} b^{4/3}}+\frac {(a B+5 A b) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{27 a^{8/3} b^{4/3}}-\frac {(a B+5 A b) \tan ^{-1}\left (\frac {\sqrt [3]{a}-2 \sqrt [3]{b} x}{\sqrt {3} \sqrt [3]{a}}\right )}{9 \sqrt {3} a^{8/3} b^{4/3}}+\frac {x (a B+5 A b)}{18 a^2 b \left (a+b x^3\right )}+\frac {x (A b-a B)}{6 a b \left (a+b x^3\right )^2} \]
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Rubi [A] time = 0.10, antiderivative size = 197, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 8, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.471, Rules used = {385, 199, 200, 31, 634, 617, 204, 628} \[ -\frac {(a B+5 A b) \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )}{54 a^{8/3} b^{4/3}}+\frac {(a B+5 A b) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{27 a^{8/3} b^{4/3}}-\frac {(a B+5 A b) \tan ^{-1}\left (\frac {\sqrt [3]{a}-2 \sqrt [3]{b} x}{\sqrt {3} \sqrt [3]{a}}\right )}{9 \sqrt {3} a^{8/3} b^{4/3}}+\frac {x (a B+5 A b)}{18 a^2 b \left (a+b x^3\right )}+\frac {x (A b-a B)}{6 a b \left (a+b x^3\right )^2} \]
Antiderivative was successfully verified.
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Rule 31
Rule 199
Rule 200
Rule 204
Rule 385
Rule 617
Rule 628
Rule 634
Rubi steps
\begin {align*} \int \frac {A+B x^3}{\left (a+b x^3\right )^3} \, dx &=\frac {(A b-a B) x}{6 a b \left (a+b x^3\right )^2}+\frac {(5 A b+a B) \int \frac {1}{\left (a+b x^3\right )^2} \, dx}{6 a b}\\ &=\frac {(A b-a B) x}{6 a b \left (a+b x^3\right )^2}+\frac {(5 A b+a B) x}{18 a^2 b \left (a+b x^3\right )}+\frac {(5 A b+a B) \int \frac {1}{a+b x^3} \, dx}{9 a^2 b}\\ &=\frac {(A b-a B) x}{6 a b \left (a+b x^3\right )^2}+\frac {(5 A b+a B) x}{18 a^2 b \left (a+b x^3\right )}+\frac {(5 A b+a B) \int \frac {1}{\sqrt [3]{a}+\sqrt [3]{b} x} \, dx}{27 a^{8/3} b}+\frac {(5 A b+a B) \int \frac {2 \sqrt [3]{a}-\sqrt [3]{b} x}{a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2} \, dx}{27 a^{8/3} b}\\ &=\frac {(A b-a B) x}{6 a b \left (a+b x^3\right )^2}+\frac {(5 A b+a B) x}{18 a^2 b \left (a+b x^3\right )}+\frac {(5 A b+a B) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{27 a^{8/3} b^{4/3}}-\frac {(5 A b+a B) \int \frac {-\sqrt [3]{a} \sqrt [3]{b}+2 b^{2/3} x}{a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2} \, dx}{54 a^{8/3} b^{4/3}}+\frac {(5 A b+a B) \int \frac {1}{a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2} \, dx}{18 a^{7/3} b}\\ &=\frac {(A b-a B) x}{6 a b \left (a+b x^3\right )^2}+\frac {(5 A b+a B) x}{18 a^2 b \left (a+b x^3\right )}+\frac {(5 A b+a B) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{27 a^{8/3} b^{4/3}}-\frac {(5 A b+a B) \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )}{54 a^{8/3} b^{4/3}}+\frac {(5 A b+a B) \operatorname {Subst}\left (\int \frac {1}{-3-x^2} \, dx,x,1-\frac {2 \sqrt [3]{b} x}{\sqrt [3]{a}}\right )}{9 a^{8/3} b^{4/3}}\\ &=\frac {(A b-a B) x}{6 a b \left (a+b x^3\right )^2}+\frac {(5 A b+a B) x}{18 a^2 b \left (a+b x^3\right )}-\frac {(5 A b+a B) \tan ^{-1}\left (\frac {\sqrt [3]{a}-2 \sqrt [3]{b} x}{\sqrt {3} \sqrt [3]{a}}\right )}{9 \sqrt {3} a^{8/3} b^{4/3}}+\frac {(5 A b+a B) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{27 a^{8/3} b^{4/3}}-\frac {(5 A b+a B) \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )}{54 a^{8/3} b^{4/3}}\\ \end {align*}
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Mathematica [A] time = 0.19, size = 175, normalized size = 0.89 \[ \frac {-(a B+5 A b) \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )-\frac {9 a^{5/3} \sqrt [3]{b} x (a B-A b)}{\left (a+b x^3\right )^2}+\frac {3 a^{2/3} \sqrt [3]{b} x (a B+5 A b)}{a+b x^3}+2 (a B+5 A b) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )-2 \sqrt {3} (a B+5 A b) \tan ^{-1}\left (\frac {1-\frac {2 \sqrt [3]{b} x}{\sqrt [3]{a}}}{\sqrt {3}}\right )}{54 a^{8/3} b^{4/3}} \]
Antiderivative was successfully verified.
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fricas [B] time = 1.01, size = 743, normalized size = 3.77 \[ \left [\frac {3 \, {\left (B a^{3} b^{2} + 5 \, A a^{2} b^{3}\right )} x^{4} + 3 \, \sqrt {\frac {1}{3}} {\left ({\left (B a^{2} b^{3} + 5 \, A a b^{4}\right )} x^{6} + B a^{4} b + 5 \, A a^{3} b^{2} + 2 \, {\left (B a^{3} b^{2} + 5 \, A a^{2} b^{3}\right )} x^{3}\right )} \sqrt {-\frac {\left (a^{2} b\right )^{\frac {1}{3}}}{b}} \log \left (\frac {2 \, a b x^{3} - 3 \, \left (a^{2} b\right )^{\frac {1}{3}} a x - a^{2} + 3 \, \sqrt {\frac {1}{3}} {\left (2 \, a b x^{2} + \left (a^{2} b\right )^{\frac {2}{3}} x - \left (a^{2} b\right )^{\frac {1}{3}} a\right )} \sqrt {-\frac {\left (a^{2} b\right )^{\frac {1}{3}}}{b}}}{b x^{3} + a}\right ) - {\left ({\left (B a b^{2} + 5 \, A b^{3}\right )} x^{6} + B a^{3} + 5 \, A a^{2} b + 2 \, {\left (B a^{2} b + 5 \, A a b^{2}\right )} x^{3}\right )} \left (a^{2} b\right )^{\frac {2}{3}} \log \left (a b x^{2} - \left (a^{2} b\right )^{\frac {2}{3}} x + \left (a^{2} b\right )^{\frac {1}{3}} a\right ) + 2 \, {\left ({\left (B a b^{2} + 5 \, A b^{3}\right )} x^{6} + B a^{3} + 5 \, A a^{2} b + 2 \, {\left (B a^{2} b + 5 \, A a b^{2}\right )} x^{3}\right )} \left (a^{2} b\right )^{\frac {2}{3}} \log \left (a b x + \left (a^{2} b\right )^{\frac {2}{3}}\right ) - 6 \, {\left (B a^{4} b - 4 \, A a^{3} b^{2}\right )} x}{54 \, {\left (a^{4} b^{4} x^{6} + 2 \, a^{5} b^{3} x^{3} + a^{6} b^{2}\right )}}, \frac {3 \, {\left (B a^{3} b^{2} + 5 \, A a^{2} b^{3}\right )} x^{4} + 6 \, \sqrt {\frac {1}{3}} {\left ({\left (B a^{2} b^{3} + 5 \, A a b^{4}\right )} x^{6} + B a^{4} b + 5 \, A a^{3} b^{2} + 2 \, {\left (B a^{3} b^{2} + 5 \, A a^{2} b^{3}\right )} x^{3}\right )} \sqrt {\frac {\left (a^{2} b\right )^{\frac {1}{3}}}{b}} \arctan \left (\frac {\sqrt {\frac {1}{3}} {\left (2 \, \left (a^{2} b\right )^{\frac {2}{3}} x - \left (a^{2} b\right )^{\frac {1}{3}} a\right )} \sqrt {\frac {\left (a^{2} b\right )^{\frac {1}{3}}}{b}}}{a^{2}}\right ) - {\left ({\left (B a b^{2} + 5 \, A b^{3}\right )} x^{6} + B a^{3} + 5 \, A a^{2} b + 2 \, {\left (B a^{2} b + 5 \, A a b^{2}\right )} x^{3}\right )} \left (a^{2} b\right )^{\frac {2}{3}} \log \left (a b x^{2} - \left (a^{2} b\right )^{\frac {2}{3}} x + \left (a^{2} b\right )^{\frac {1}{3}} a\right ) + 2 \, {\left ({\left (B a b^{2} + 5 \, A b^{3}\right )} x^{6} + B a^{3} + 5 \, A a^{2} b + 2 \, {\left (B a^{2} b + 5 \, A a b^{2}\right )} x^{3}\right )} \left (a^{2} b\right )^{\frac {2}{3}} \log \left (a b x + \left (a^{2} b\right )^{\frac {2}{3}}\right ) - 6 \, {\left (B a^{4} b - 4 \, A a^{3} b^{2}\right )} x}{54 \, {\left (a^{4} b^{4} x^{6} + 2 \, a^{5} b^{3} x^{3} + a^{6} b^{2}\right )}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.20, size = 180, normalized size = 0.91 \[ -\frac {\sqrt {3} {\left (B a + 5 \, A b\right )} \arctan \left (\frac {\sqrt {3} {\left (2 \, x + \left (-\frac {a}{b}\right )^{\frac {1}{3}}\right )}}{3 \, \left (-\frac {a}{b}\right )^{\frac {1}{3}}}\right )}{27 \, \left (-a b^{2}\right )^{\frac {2}{3}} a^{2}} - \frac {{\left (B a + 5 \, A b\right )} \log \left (x^{2} + x \left (-\frac {a}{b}\right )^{\frac {1}{3}} + \left (-\frac {a}{b}\right )^{\frac {2}{3}}\right )}{54 \, \left (-a b^{2}\right )^{\frac {2}{3}} a^{2}} - \frac {{\left (B a + 5 \, A b\right )} \left (-\frac {a}{b}\right )^{\frac {1}{3}} \log \left ({\left | x - \left (-\frac {a}{b}\right )^{\frac {1}{3}} \right |}\right )}{27 \, a^{3} b} + \frac {B a b x^{4} + 5 \, A b^{2} x^{4} - 2 \, B a^{2} x + 8 \, A a b x}{18 \, {\left (b x^{3} + a\right )}^{2} a^{2} b} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.06, size = 249, normalized size = 1.26 \[ \frac {5 \sqrt {3}\, A \arctan \left (\frac {\sqrt {3}\, \left (\frac {2 x}{\left (\frac {a}{b}\right )^{\frac {1}{3}}}-1\right )}{3}\right )}{27 \left (\frac {a}{b}\right )^{\frac {2}{3}} a^{2} b}+\frac {5 A \ln \left (x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}{27 \left (\frac {a}{b}\right )^{\frac {2}{3}} a^{2} b}-\frac {5 A \ln \left (x^{2}-\left (\frac {a}{b}\right )^{\frac {1}{3}} x +\left (\frac {a}{b}\right )^{\frac {2}{3}}\right )}{54 \left (\frac {a}{b}\right )^{\frac {2}{3}} a^{2} b}+\frac {\sqrt {3}\, B \arctan \left (\frac {\sqrt {3}\, \left (\frac {2 x}{\left (\frac {a}{b}\right )^{\frac {1}{3}}}-1\right )}{3}\right )}{27 \left (\frac {a}{b}\right )^{\frac {2}{3}} a \,b^{2}}+\frac {B \ln \left (x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}{27 \left (\frac {a}{b}\right )^{\frac {2}{3}} a \,b^{2}}-\frac {B \ln \left (x^{2}-\left (\frac {a}{b}\right )^{\frac {1}{3}} x +\left (\frac {a}{b}\right )^{\frac {2}{3}}\right )}{54 \left (\frac {a}{b}\right )^{\frac {2}{3}} a \,b^{2}}+\frac {\frac {\left (5 A b +B a \right ) x^{4}}{18 a^{2}}+\frac {\left (4 A b -B a \right ) x}{9 a b}}{\left (b \,x^{3}+a \right )^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.37, size = 192, normalized size = 0.97 \[ \frac {{\left (B a b + 5 \, A b^{2}\right )} x^{4} - 2 \, {\left (B a^{2} - 4 \, A a b\right )} x}{18 \, {\left (a^{2} b^{3} x^{6} + 2 \, a^{3} b^{2} x^{3} + a^{4} b\right )}} + \frac {\sqrt {3} {\left (B a + 5 \, A b\right )} \arctan \left (\frac {\sqrt {3} {\left (2 \, x - \left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}}{3 \, \left (\frac {a}{b}\right )^{\frac {1}{3}}}\right )}{27 \, a^{2} b^{2} \left (\frac {a}{b}\right )^{\frac {2}{3}}} - \frac {{\left (B a + 5 \, A b\right )} \log \left (x^{2} - x \left (\frac {a}{b}\right )^{\frac {1}{3}} + \left (\frac {a}{b}\right )^{\frac {2}{3}}\right )}{54 \, a^{2} b^{2} \left (\frac {a}{b}\right )^{\frac {2}{3}}} + \frac {{\left (B a + 5 \, A b\right )} \log \left (x + \left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}{27 \, a^{2} b^{2} \left (\frac {a}{b}\right )^{\frac {2}{3}}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.26, size = 173, normalized size = 0.88 \[ \frac {\frac {x^4\,\left (5\,A\,b+B\,a\right )}{18\,a^2}+\frac {x\,\left (4\,A\,b-B\,a\right )}{9\,a\,b}}{a^2+2\,a\,b\,x^3+b^2\,x^6}+\frac {\ln \left (b^{1/3}\,x+a^{1/3}\right )\,\left (5\,A\,b+B\,a\right )}{27\,a^{8/3}\,b^{4/3}}-\frac {\ln \left (a^{1/3}-2\,b^{1/3}\,x+\sqrt {3}\,a^{1/3}\,1{}\mathrm {i}\right )\,\left (\frac {1}{2}+\frac {\sqrt {3}\,1{}\mathrm {i}}{2}\right )\,\left (5\,A\,b+B\,a\right )}{27\,a^{8/3}\,b^{4/3}}+\frac {\ln \left (2\,b^{1/3}\,x-a^{1/3}+\sqrt {3}\,a^{1/3}\,1{}\mathrm {i}\right )\,\left (-\frac {1}{2}+\frac {\sqrt {3}\,1{}\mathrm {i}}{2}\right )\,\left (5\,A\,b+B\,a\right )}{27\,a^{8/3}\,b^{4/3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 1.51, size = 133, normalized size = 0.68 \[ \frac {x^{4} \left (5 A b^{2} + B a b\right ) + x \left (8 A a b - 2 B a^{2}\right )}{18 a^{4} b + 36 a^{3} b^{2} x^{3} + 18 a^{2} b^{3} x^{6}} + \operatorname {RootSum} {\left (19683 t^{3} a^{8} b^{4} - 125 A^{3} b^{3} - 75 A^{2} B a b^{2} - 15 A B^{2} a^{2} b - B^{3} a^{3}, \left (t \mapsto t \log {\left (\frac {27 t a^{3} b}{5 A b + B a} + x \right )} \right )\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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