Optimal. Leaf size=202 \[ -\frac {3 (2 a+3) b^2 \tanh ^{-1}\left (\frac {\sqrt {1-a} \sqrt {a+b x+1}}{\sqrt {a+1} \sqrt {-a-b x+1}}\right )}{(1-a)^3 \sqrt {1-a^2}}-\frac {(a+b x+1)^{5/2}}{2 \left (1-a^2\right ) x^2 \sqrt {-a-b x+1}}+\frac {3 (2 a+3) b^2 \sqrt {a+b x+1}}{(1-a)^3 (a+1) \sqrt {-a-b x+1}}-\frac {(2 a+3) b (a+b x+1)^{3/2}}{2 (1-a)^2 (a+1) x \sqrt {-a-b x+1}} \]
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Rubi [A] time = 0.12, antiderivative size = 202, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.357, Rules used = {6163, 96, 94, 93, 208} \[ -\frac {3 (2 a+3) b^2 \tanh ^{-1}\left (\frac {\sqrt {1-a} \sqrt {a+b x+1}}{\sqrt {a+1} \sqrt {-a-b x+1}}\right )}{(1-a)^3 \sqrt {1-a^2}}-\frac {(a+b x+1)^{5/2}}{2 \left (1-a^2\right ) x^2 \sqrt {-a-b x+1}}+\frac {3 (2 a+3) b^2 \sqrt {a+b x+1}}{(1-a)^3 (a+1) \sqrt {-a-b x+1}}-\frac {(2 a+3) b (a+b x+1)^{3/2}}{2 (1-a)^2 (a+1) x \sqrt {-a-b x+1}} \]
Antiderivative was successfully verified.
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Rule 93
Rule 94
Rule 96
Rule 208
Rule 6163
Rubi steps
\begin {align*} \int \frac {e^{3 \tanh ^{-1}(a+b x)}}{x^3} \, dx &=\int \frac {(1+a+b x)^{3/2}}{x^3 (1-a-b x)^{3/2}} \, dx\\ &=-\frac {(1+a+b x)^{5/2}}{2 \left (1-a^2\right ) x^2 \sqrt {1-a-b x}}+\frac {((3+2 a) b) \int \frac {(1+a+b x)^{3/2}}{x^2 (1-a-b x)^{3/2}} \, dx}{2 \left (1-a^2\right )}\\ &=-\frac {(3+2 a) b (1+a+b x)^{3/2}}{2 (1-a)^2 (1+a) x \sqrt {1-a-b x}}-\frac {(1+a+b x)^{5/2}}{2 \left (1-a^2\right ) x^2 \sqrt {1-a-b x}}+\frac {\left (3 (3+2 a) b^2\right ) \int \frac {\sqrt {1+a+b x}}{x (1-a-b x)^{3/2}} \, dx}{2 (1-a)^2 (1+a)}\\ &=\frac {3 (3+2 a) b^2 \sqrt {1+a+b x}}{(1-a)^3 (1+a) \sqrt {1-a-b x}}-\frac {(3+2 a) b (1+a+b x)^{3/2}}{2 (1-a)^2 (1+a) x \sqrt {1-a-b x}}-\frac {(1+a+b x)^{5/2}}{2 \left (1-a^2\right ) x^2 \sqrt {1-a-b x}}+\frac {\left (3 (3+2 a) b^2\right ) \int \frac {1}{x \sqrt {1-a-b x} \sqrt {1+a+b x}} \, dx}{2 (1-a)^3}\\ &=\frac {3 (3+2 a) b^2 \sqrt {1+a+b x}}{(1-a)^3 (1+a) \sqrt {1-a-b x}}-\frac {(3+2 a) b (1+a+b x)^{3/2}}{2 (1-a)^2 (1+a) x \sqrt {1-a-b x}}-\frac {(1+a+b x)^{5/2}}{2 \left (1-a^2\right ) x^2 \sqrt {1-a-b x}}+\frac {\left (3 (3+2 a) b^2\right ) \operatorname {Subst}\left (\int \frac {1}{-1-a-(-1+a) x^2} \, dx,x,\frac {\sqrt {1+a+b x}}{\sqrt {1-a-b x}}\right )}{(1-a)^3}\\ &=\frac {3 (3+2 a) b^2 \sqrt {1+a+b x}}{(1-a)^3 (1+a) \sqrt {1-a-b x}}-\frac {(3+2 a) b (1+a+b x)^{3/2}}{2 (1-a)^2 (1+a) x \sqrt {1-a-b x}}-\frac {(1+a+b x)^{5/2}}{2 \left (1-a^2\right ) x^2 \sqrt {1-a-b x}}-\frac {3 (3+2 a) b^2 \tanh ^{-1}\left (\frac {\sqrt {1-a} \sqrt {1+a+b x}}{\sqrt {1+a} \sqrt {1-a-b x}}\right )}{(1-a)^3 \sqrt {1-a^2}}\\ \end {align*}
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Mathematica [A] time = 0.17, size = 141, normalized size = 0.70 \[ \frac {\sqrt {a+b x+1} \left (a^3-a^2-a \left (b^2 x^2+5 b x+1\right )-14 b^2 x^2+5 b x+1\right )}{2 (a-1)^3 x^2 \sqrt {-a-b x+1}}-\frac {3 (2 a+3) b^2 \tanh ^{-1}\left (\frac {\sqrt {-a-1} \sqrt {-a-b x+1}}{\sqrt {a-1} \sqrt {a+b x+1}}\right )}{\sqrt {-a-1} (a-1)^{7/2}} \]
Warning: Unable to verify antiderivative.
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fricas [A] time = 1.55, size = 523, normalized size = 2.59 \[ \left [-\frac {3 \, {\left ({\left (2 \, a + 3\right )} b^{3} x^{3} + {\left (2 \, a^{2} + a - 3\right )} b^{2} x^{2}\right )} \sqrt {-a^{2} + 1} \log \left (\frac {{\left (2 \, a^{2} - 1\right )} b^{2} x^{2} + 2 \, a^{4} + 4 \, {\left (a^{3} - a\right )} b x - 2 \, \sqrt {-b^{2} x^{2} - 2 \, a b x - a^{2} + 1} {\left (a b x + a^{2} - 1\right )} \sqrt {-a^{2} + 1} - 4 \, a^{2} + 2}{x^{2}}\right ) + 2 \, {\left (a^{5} - {\left (a^{3} + 14 \, a^{2} - a - 14\right )} b^{2} x^{2} - a^{4} - 2 \, a^{3} - 5 \, {\left (a^{3} - a^{2} - a + 1\right )} b x + 2 \, a^{2} + a - 1\right )} \sqrt {-b^{2} x^{2} - 2 \, a b x - a^{2} + 1}}{4 \, {\left ({\left (a^{5} - 3 \, a^{4} + 2 \, a^{3} + 2 \, a^{2} - 3 \, a + 1\right )} b x^{3} + {\left (a^{6} - 4 \, a^{5} + 5 \, a^{4} - 5 \, a^{2} + 4 \, a - 1\right )} x^{2}\right )}}, -\frac {3 \, {\left ({\left (2 \, a + 3\right )} b^{3} x^{3} + {\left (2 \, a^{2} + a - 3\right )} b^{2} x^{2}\right )} \sqrt {a^{2} - 1} \arctan \left (\frac {\sqrt {-b^{2} x^{2} - 2 \, a b x - a^{2} + 1} {\left (a b x + a^{2} - 1\right )} \sqrt {a^{2} - 1}}{{\left (a^{2} - 1\right )} b^{2} x^{2} + a^{4} + 2 \, {\left (a^{3} - a\right )} b x - 2 \, a^{2} + 1}\right ) + {\left (a^{5} - {\left (a^{3} + 14 \, a^{2} - a - 14\right )} b^{2} x^{2} - a^{4} - 2 \, a^{3} - 5 \, {\left (a^{3} - a^{2} - a + 1\right )} b x + 2 \, a^{2} + a - 1\right )} \sqrt {-b^{2} x^{2} - 2 \, a b x - a^{2} + 1}}{2 \, {\left ({\left (a^{5} - 3 \, a^{4} + 2 \, a^{3} + 2 \, a^{2} - 3 \, a + 1\right )} b x^{3} + {\left (a^{6} - 4 \, a^{5} + 5 \, a^{4} - 5 \, a^{2} + 4 \, a - 1\right )} x^{2}\right )}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 0.45, size = 691, normalized size = 3.42 \[ -\frac {8 \, b^{3}}{{\left (a^{3} {\left | b \right |} - 3 \, a^{2} {\left | b \right |} + 3 \, a {\left | b \right |} - {\left | b \right |}\right )} {\left (\frac {\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b}{b^{2} x + a b} - 1\right )}} - \frac {3 \, {\left (2 \, a b^{3} + 3 \, b^{3}\right )} \arctan \left (\frac {\frac {{\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )} a}{b^{2} x + a b} - 1}{\sqrt {a^{2} - 1}}\right )}{{\left (a^{3} {\left | b \right |} - 3 \, a^{2} {\left | b \right |} + 3 \, a {\left | b \right |} - {\left | b \right |}\right )} \sqrt {a^{2} - 1}} + \frac {\frac {2 \, {\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )}^{2} a^{4} b^{3}}{{\left (b^{2} x + a b\right )}^{2}} + 2 \, a^{4} b^{3} - \frac {5 \, {\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )} a^{3} b^{3}}{b^{2} x + a b} + \frac {6 \, {\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )}^{2} a^{3} b^{3}}{{\left (b^{2} x + a b\right )}^{2}} - \frac {3 \, {\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )}^{3} a^{3} b^{3}}{{\left (b^{2} x + a b\right )}^{3}} + 6 \, a^{3} b^{3} - \frac {18 \, {\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )} a^{2} b^{3}}{b^{2} x + a b} + \frac {3 \, {\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )}^{2} a^{2} b^{3}}{{\left (b^{2} x + a b\right )}^{2}} - \frac {6 \, {\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )}^{3} a^{2} b^{3}}{{\left (b^{2} x + a b\right )}^{3}} - a^{2} b^{3} + \frac {2 \, {\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )} a b^{3}}{b^{2} x + a b} + \frac {12 \, {\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )}^{2} a b^{3}}{{\left (b^{2} x + a b\right )}^{2}} + \frac {2 \, {\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )}^{3} a b^{3}}{{\left (b^{2} x + a b\right )}^{3}} - \frac {2 \, {\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )}^{2} b^{3}}{{\left (b^{2} x + a b\right )}^{2}}}{{\left (a^{5} {\left | b \right |} - 3 \, a^{4} {\left | b \right |} + 3 \, a^{3} {\left | b \right |} - a^{2} {\left | b \right |}\right )} {\left (\frac {{\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )}^{2} a}{{\left (b^{2} x + a b\right )}^{2}} + a - \frac {2 \, {\left (\sqrt {-{\left (b x + a\right )}^{2} + 1} {\left | b \right |} + b\right )}}{b^{2} x + a b}\right )}^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.05, size = 2194, normalized size = 10.86 \[ \text {result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: ValueError} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.00 \[ \int \frac {{\left (a+b\,x+1\right )}^3}{x^3\,{\left (1-{\left (a+b\,x\right )}^2\right )}^{3/2}} \,d x \]
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 \[ \int \frac {\left (a + b x + 1\right )^{3}}{x^{3} \left (- \left (a + b x - 1\right ) \left (a + b x + 1\right )\right )^{\frac {3}{2}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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