Optimal. Leaf size=165 \[ -\frac {\left (4 a^2+3\right ) a e^{2 \cosh ^{-1}(a+b x)}}{16 b^4}+\frac {\left (4 a^2+3\right ) a \cosh ^{-1}(a+b x)}{8 b^4}+\frac {\left (6 a^2+1\right ) e^{-\cosh ^{-1}(a+b x)}}{8 b^4}+\frac {\left (6 a^2+1\right ) e^{3 \cosh ^{-1}(a+b x)}}{24 b^4}-\frac {3 a e^{-2 \cosh ^{-1}(a+b x)}}{16 b^4}-\frac {3 a e^{4 \cosh ^{-1}(a+b x)}}{32 b^4}+\frac {e^{-3 \cosh ^{-1}(a+b x)}}{48 b^4}+\frac {e^{5 \cosh ^{-1}(a+b x)}}{80 b^4} \]
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Rubi [A] time = 0.16, antiderivative size = 165, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, integrand size = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {5899, 2282, 12, 1628} \[ -\frac {\left (4 a^2+3\right ) a e^{2 \cosh ^{-1}(a+b x)}}{16 b^4}+\frac {\left (4 a^2+3\right ) a \cosh ^{-1}(a+b x)}{8 b^4}+\frac {\left (6 a^2+1\right ) e^{-\cosh ^{-1}(a+b x)}}{8 b^4}+\frac {\left (6 a^2+1\right ) e^{3 \cosh ^{-1}(a+b x)}}{24 b^4}-\frac {3 a e^{-2 \cosh ^{-1}(a+b x)}}{16 b^4}-\frac {3 a e^{4 \cosh ^{-1}(a+b x)}}{32 b^4}+\frac {e^{-3 \cosh ^{-1}(a+b x)}}{48 b^4}+\frac {e^{5 \cosh ^{-1}(a+b x)}}{80 b^4} \]
Antiderivative was successfully verified.
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Rule 12
Rule 1628
Rule 2282
Rule 5899
Rubi steps
\begin {align*} \int e^{\cosh ^{-1}(a+b x)} x^3 \, dx &=\frac {\operatorname {Subst}\left (\int e^x \left (-\frac {a}{b}+\frac {\cosh (x)}{b}\right )^3 \sinh (x) \, dx,x,\cosh ^{-1}(a+b x)\right )}{b}\\ &=\frac {\operatorname {Subst}\left (\int \frac {\left (-1+x^2\right ) \left (1-2 a x+x^2\right )^3}{16 b^3 x^4} \, dx,x,e^{\cosh ^{-1}(a+b x)}\right )}{b}\\ &=\frac {\operatorname {Subst}\left (\int \frac {\left (-1+x^2\right ) \left (1-2 a x+x^2\right )^3}{x^4} \, dx,x,e^{\cosh ^{-1}(a+b x)}\right )}{16 b^4}\\ &=\frac {\operatorname {Subst}\left (\int \left (-\frac {1}{x^4}+\frac {6 a}{x^3}-\frac {2 \left (1+6 a^2\right )}{x^2}+\frac {2 a \left (3+4 a^2\right )}{x}-2 a \left (3+4 a^2\right ) x+2 \left (1+6 a^2\right ) x^2-6 a x^3+x^4\right ) \, dx,x,e^{\cosh ^{-1}(a+b x)}\right )}{16 b^4}\\ &=\frac {e^{-3 \cosh ^{-1}(a+b x)}}{48 b^4}-\frac {3 a e^{-2 \cosh ^{-1}(a+b x)}}{16 b^4}+\frac {\left (1+6 a^2\right ) e^{-\cosh ^{-1}(a+b x)}}{8 b^4}-\frac {a \left (3+4 a^2\right ) e^{2 \cosh ^{-1}(a+b x)}}{16 b^4}+\frac {\left (1+6 a^2\right ) e^{3 \cosh ^{-1}(a+b x)}}{24 b^4}-\frac {3 a e^{4 \cosh ^{-1}(a+b x)}}{32 b^4}+\frac {e^{5 \cosh ^{-1}(a+b x)}}{80 b^4}+\frac {a \left (3+4 a^2\right ) \cosh ^{-1}(a+b x)}{8 b^4}\\ \end {align*}
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Mathematica [A] time = 0.10, size = 138, normalized size = 0.84 \[ \frac {15 a \left (4 a^2+3\right ) \log \left (\sqrt {a+b x-1} \sqrt {a+b x+1}+a+b x\right )+\sqrt {a+b x-1} \sqrt {a+b x+1} \left (-6 a^4-2 \left (3 a^2+4\right ) b^2 x^2+\left (6 a^2+29\right ) a b x-83 a^2+6 a b^3 x^3+24 b^4 x^4-16\right )+30 a b^4 x^4+24 b^5 x^5}{120 b^4} \]
Warning: Unable to verify antiderivative.
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fricas [A] time = 0.78, size = 133, normalized size = 0.81 \[ \frac {24 \, b^{5} x^{5} + 30 \, a b^{4} x^{4} + {\left (24 \, b^{4} x^{4} + 6 \, a b^{3} x^{3} - 2 \, {\left (3 \, a^{2} + 4\right )} b^{2} x^{2} - 6 \, a^{4} + {\left (6 \, a^{3} + 29 \, a\right )} b x - 83 \, a^{2} - 16\right )} \sqrt {b x + a + 1} \sqrt {b x + a - 1} - 15 \, {\left (4 \, a^{3} + 3 \, a\right )} \log \left (-b x + \sqrt {b x + a + 1} \sqrt {b x + a - 1} - a\right )}{120 \, b^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 0.25, size = 564, normalized size = 3.42 \[ \frac {24 \, b^{2} x^{5} + 30 \, a b x^{4} + 5 \, {\left ({\left (b x + a + 1\right )} {\left (2 \, {\left (b x + a + 1\right )} {\left (\frac {3 \, {\left (b x + a + 1\right )}}{b^{3}} - \frac {12 \, a b^{12} + 13 \, b^{12}}{b^{15}}\right )} + \frac {36 \, a^{2} b^{12} + 84 \, a b^{12} + 43 \, b^{12}}{b^{15}}\right )} - \frac {3 \, {\left (8 \, a^{3} b^{12} + 36 \, a^{2} b^{12} + 36 \, a b^{12} + 13 \, b^{12}\right )}}{b^{15}}\right )} \sqrt {b x + a + 1} \sqrt {b x + a - 1} + 5 \, {\left ({\left ({\left (b x + a + 1\right )} {\left (2 \, {\left (b x + a + 1\right )} {\left (\frac {3 \, {\left (b x + a + 1\right )}}{b^{3}} - \frac {12 \, a b^{12} + 13 \, b^{12}}{b^{15}}\right )} + \frac {36 \, a^{2} b^{12} + 84 \, a b^{12} + 43 \, b^{12}}{b^{15}}\right )} - \frac {3 \, {\left (8 \, a^{3} b^{12} + 36 \, a^{2} b^{12} + 36 \, a b^{12} + 13 \, b^{12}\right )}}{b^{15}}\right )} \sqrt {b x + a + 1} \sqrt {b x + a - 1} - \frac {6 \, {\left (8 \, a^{3} + 12 \, a^{2} + 12 \, a + 3\right )} \log \left (\sqrt {b x + a + 1} - \sqrt {b x + a - 1}\right )}{b^{3}}\right )} a + {\left ({\left ({\left (2 \, {\left (b x + a + 1\right )} {\left (3 \, {\left (b x + a + 1\right )} {\left (\frac {4 \, {\left (b x + a + 1\right )}}{b^{4}} - \frac {20 \, a b^{20} + 21 \, b^{20}}{b^{24}}\right )} + \frac {120 \, a^{2} b^{20} + 260 \, a b^{20} + 133 \, b^{20}}{b^{24}}\right )} - \frac {5 \, {\left (48 \, a^{3} b^{20} + 168 \, a^{2} b^{20} + 172 \, a b^{20} + 59 \, b^{20}\right )}}{b^{24}}\right )} {\left (b x + a + 1\right )} + \frac {15 \, {\left (8 \, a^{4} b^{20} + 48 \, a^{3} b^{20} + 72 \, a^{2} b^{20} + 52 \, a b^{20} + 13 \, b^{20}\right )}}{b^{24}}\right )} \sqrt {b x + a + 1} \sqrt {b x + a - 1} + \frac {30 \, {\left (8 \, a^{4} + 16 \, a^{3} + 24 \, a^{2} + 12 \, a + 3\right )} \log \left (\sqrt {b x + a + 1} - \sqrt {b x + a - 1}\right )}{b^{4}}\right )} b - \frac {30 \, {\left (8 \, a^{3} + 12 \, a^{2} + 12 \, a + 3\right )} \log \left (\sqrt {b x + a + 1} - \sqrt {b x + a - 1}\right )}{b^{3}}}{120 \, b} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [C] time = 0.04, size = 376, normalized size = 2.28 \[ \frac {\sqrt {b x +a -1}\, \sqrt {b x +a +1}\, \left (24 \,\mathrm {csgn}\relax (b ) x^{4} b^{4} \sqrt {b^{2} x^{2}+2 a b x +a^{2}-1}+6 \,\mathrm {csgn}\relax (b ) x^{3} a \,b^{3} \sqrt {b^{2} x^{2}+2 a b x +a^{2}-1}-6 \,\mathrm {csgn}\relax (b ) x^{2} a^{2} b^{2} \sqrt {b^{2} x^{2}+2 a b x +a^{2}-1}+6 \sqrt {b^{2} x^{2}+2 a b x +a^{2}-1}\, \mathrm {csgn}\relax (b ) x \,a^{3} b -8 \sqrt {b^{2} x^{2}+2 a b x +a^{2}-1}\, \mathrm {csgn}\relax (b ) x^{2} b^{2}-6 \sqrt {b^{2} x^{2}+2 a b x +a^{2}-1}\, \mathrm {csgn}\relax (b ) a^{4}+29 \sqrt {b^{2} x^{2}+2 a b x +a^{2}-1}\, \mathrm {csgn}\relax (b ) x a b -83 \sqrt {b^{2} x^{2}+2 a b x +a^{2}-1}\, \mathrm {csgn}\relax (b ) a^{2}+60 \ln \left (\left (\sqrt {b^{2} x^{2}+2 a b x +a^{2}-1}\, \mathrm {csgn}\relax (b )+b x +a \right ) \mathrm {csgn}\relax (b )\right ) a^{3}-16 \sqrt {b^{2} x^{2}+2 a b x +a^{2}-1}\, \mathrm {csgn}\relax (b )+45 \ln \left (\left (\sqrt {b^{2} x^{2}+2 a b x +a^{2}-1}\, \mathrm {csgn}\relax (b )+b x +a \right ) \mathrm {csgn}\relax (b )\right ) a \right ) \mathrm {csgn}\relax (b )}{120 b^{4} \sqrt {b^{2} x^{2}+2 a b x +a^{2}-1}}+\frac {b \,x^{5}}{5}+\frac {x^{4} a}{4} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 0.33, size = 495, normalized size = 3.00 \[ \frac {1}{5} \, b x^{5} + \frac {1}{4} \, a x^{4} + \frac {{\left (b^{2} x^{2} + 2 \, a b x + a^{2} - 1\right )}^{\frac {3}{2}} x^{2}}{5 \, b^{2}} - \frac {{\left (a^{2} - 1\right )} a^{3} \log \left (2 \, b^{2} x + 2 \, a b + 2 \, \sqrt {b^{2} x^{2} + 2 \, a b x + a^{2} - 1} b\right )}{5 \, b^{4}} - \frac {7 \, {\left (b^{2} x^{2} + 2 \, a b x + a^{2} - 1\right )}^{\frac {3}{2}} a x}{20 \, b^{3}} + \frac {\sqrt {b^{2} x^{2} + 2 \, a b x + a^{2} - 1} {\left (a^{2} - 1\right )} a x}{5 \, b^{3}} + \frac {{\left (a^{2} - 1\right )}^{2} a \log \left (2 \, b^{2} x + 2 \, a b + 2 \, \sqrt {b^{2} x^{2} + 2 \, a b x + a^{2} - 1} b\right )}{5 \, b^{4}} + \frac {7 \, {\left (b^{2} x^{2} + 2 \, a b x + a^{2} - 1\right )}^{\frac {3}{2}} a^{2}}{12 \, b^{4}} + \frac {\sqrt {b^{2} x^{2} + 2 \, a b x + a^{2} - 1} {\left (a^{2} - 1\right )} a^{2}}{5 \, b^{4}} + \frac {7 \, {\left (5 \, a^{2} b^{2} - {\left (a^{2} - 1\right )} b^{2}\right )} a^{3} \log \left (2 \, b^{2} x + 2 \, a b + 2 \, \sqrt {b^{2} x^{2} + 2 \, a b x + a^{2} - 1} b\right )}{40 \, b^{6}} - \frac {2 \, {\left (b^{2} x^{2} + 2 \, a b x + a^{2} - 1\right )}^{\frac {3}{2}} {\left (a^{2} - 1\right )}}{15 \, b^{4}} - \frac {7 \, {\left (5 \, a^{2} b^{2} - {\left (a^{2} - 1\right )} b^{2}\right )} \sqrt {b^{2} x^{2} + 2 \, a b x + a^{2} - 1} a x}{40 \, b^{5}} - \frac {7 \, {\left (5 \, a^{2} b^{2} - {\left (a^{2} - 1\right )} b^{2}\right )} {\left (a^{2} - 1\right )} a \log \left (2 \, b^{2} x + 2 \, a b + 2 \, \sqrt {b^{2} x^{2} + 2 \, a b x + a^{2} - 1} b\right )}{40 \, b^{6}} - \frac {7 \, {\left (5 \, a^{2} b^{2} - {\left (a^{2} - 1\right )} b^{2}\right )} \sqrt {b^{2} x^{2} + 2 \, a b x + a^{2} - 1} a^{2}}{40 \, b^{6}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 69.81, size = 1408, normalized size = 8.53 \[ \text {result too large to display} \]
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 \[ \int x^{3} \left (a + b x + \sqrt {a + b x - 1} \sqrt {a + b x + 1}\right )\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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