Optimal. Leaf size=125 \[ \frac {b (5 b B-8 A c) \left (b+2 c x^2\right ) \sqrt {b x^2+c x^4}}{128 c^3}-\frac {\left (5 b B-8 A c-6 B c x^2\right ) \left (b x^2+c x^4\right )^{3/2}}{48 c^2}-\frac {b^3 (5 b B-8 A c) \tanh ^{-1}\left (\frac {\sqrt {c} x^2}{\sqrt {b x^2+c x^4}}\right )}{128 c^{7/2}} \]
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Rubi [A]
time = 0.13, antiderivative size = 125, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 5, integrand size = 26, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.192, Rules used = {2059, 793, 626,
634, 212} \begin {gather*} -\frac {b^3 (5 b B-8 A c) \tanh ^{-1}\left (\frac {\sqrt {c} x^2}{\sqrt {b x^2+c x^4}}\right )}{128 c^{7/2}}+\frac {b \left (b+2 c x^2\right ) \sqrt {b x^2+c x^4} (5 b B-8 A c)}{128 c^3}-\frac {\left (b x^2+c x^4\right )^{3/2} \left (-8 A c+5 b B-6 B c x^2\right )}{48 c^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 212
Rule 626
Rule 634
Rule 793
Rule 2059
Rubi steps
\begin {align*} \int x^3 \left (A+B x^2\right ) \sqrt {b x^2+c x^4} \, dx &=\frac {1}{2} \text {Subst}\left (\int x (A+B x) \sqrt {b x+c x^2} \, dx,x,x^2\right )\\ &=-\frac {\left (5 b B-8 A c-6 B c x^2\right ) \left (b x^2+c x^4\right )^{3/2}}{48 c^2}+\frac {(b (5 b B-8 A c)) \text {Subst}\left (\int \sqrt {b x+c x^2} \, dx,x,x^2\right )}{32 c^2}\\ &=\frac {b (5 b B-8 A c) \left (b+2 c x^2\right ) \sqrt {b x^2+c x^4}}{128 c^3}-\frac {\left (5 b B-8 A c-6 B c x^2\right ) \left (b x^2+c x^4\right )^{3/2}}{48 c^2}-\frac {\left (b^3 (5 b B-8 A c)\right ) \text {Subst}\left (\int \frac {1}{\sqrt {b x+c x^2}} \, dx,x,x^2\right )}{256 c^3}\\ &=\frac {b (5 b B-8 A c) \left (b+2 c x^2\right ) \sqrt {b x^2+c x^4}}{128 c^3}-\frac {\left (5 b B-8 A c-6 B c x^2\right ) \left (b x^2+c x^4\right )^{3/2}}{48 c^2}-\frac {\left (b^3 (5 b B-8 A c)\right ) \text {Subst}\left (\int \frac {1}{1-c x^2} \, dx,x,\frac {x^2}{\sqrt {b x^2+c x^4}}\right )}{128 c^3}\\ &=\frac {b (5 b B-8 A c) \left (b+2 c x^2\right ) \sqrt {b x^2+c x^4}}{128 c^3}-\frac {\left (5 b B-8 A c-6 B c x^2\right ) \left (b x^2+c x^4\right )^{3/2}}{48 c^2}-\frac {b^3 (5 b B-8 A c) \tanh ^{-1}\left (\frac {\sqrt {c} x^2}{\sqrt {b x^2+c x^4}}\right )}{128 c^{7/2}}\\ \end {align*}
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Mathematica [A]
time = 0.20, size = 145, normalized size = 1.16 \begin {gather*} \frac {x \left (\sqrt {c} x \left (b+c x^2\right ) \left (15 b^3 B+8 b c^2 x^2 \left (2 A+B x^2\right )+16 c^3 x^4 \left (4 A+3 B x^2\right )-2 b^2 c \left (12 A+5 B x^2\right )\right )+3 b^3 (5 b B-8 A c) \sqrt {b+c x^2} \log \left (-\sqrt {c} x+\sqrt {b+c x^2}\right )\right )}{384 c^{7/2} \sqrt {x^2 \left (b+c x^2\right )}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.38, size = 206, normalized size = 1.65
method | result | size |
risch | \(-\frac {\left (-48 B \,c^{3} x^{6}-64 A \,c^{3} x^{4}-8 B b \,c^{2} x^{4}-16 A b \,c^{2} x^{2}+10 B \,b^{2} c \,x^{2}+24 A \,b^{2} c -15 B \,b^{3}\right ) \sqrt {x^{2} \left (c \,x^{2}+b \right )}}{384 c^{3}}+\frac {\left (\frac {b^{3} \ln \left (\sqrt {c}\, x +\sqrt {c \,x^{2}+b}\right ) A}{16 c^{\frac {5}{2}}}-\frac {5 b^{4} \ln \left (\sqrt {c}\, x +\sqrt {c \,x^{2}+b}\right ) B}{128 c^{\frac {7}{2}}}\right ) \sqrt {x^{2} \left (c \,x^{2}+b \right )}}{x \sqrt {c \,x^{2}+b}}\) | \(159\) |
default | \(\frac {\sqrt {x^{4} c +b \,x^{2}}\, \left (48 B \left (c \,x^{2}+b \right )^{\frac {3}{2}} c^{\frac {5}{2}} x^{5}+64 A \left (c \,x^{2}+b \right )^{\frac {3}{2}} c^{\frac {5}{2}} x^{3}-40 B \left (c \,x^{2}+b \right )^{\frac {3}{2}} c^{\frac {3}{2}} b \,x^{3}-48 A \left (c \,x^{2}+b \right )^{\frac {3}{2}} c^{\frac {3}{2}} b x +24 A \sqrt {c \,x^{2}+b}\, c^{\frac {3}{2}} b^{2} x +30 B \left (c \,x^{2}+b \right )^{\frac {3}{2}} \sqrt {c}\, b^{2} x -15 B \sqrt {c \,x^{2}+b}\, \sqrt {c}\, b^{3} x +24 A \ln \left (\sqrt {c}\, x +\sqrt {c \,x^{2}+b}\right ) b^{3} c -15 B \ln \left (\sqrt {c}\, x +\sqrt {c \,x^{2}+b}\right ) b^{4}\right )}{384 x \sqrt {c \,x^{2}+b}\, c^{\frac {7}{2}}}\) | \(206\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 225 vs.
\(2 (109) = 218\).
time = 0.29, size = 225, normalized size = 1.80 \begin {gather*} -\frac {1}{96} \, {\left (\frac {12 \, \sqrt {c x^{4} + b x^{2}} b x^{2}}{c} - \frac {3 \, b^{3} \log \left (2 \, c x^{2} + b + 2 \, \sqrt {c x^{4} + b x^{2}} \sqrt {c}\right )}{c^{\frac {5}{2}}} + \frac {6 \, \sqrt {c x^{4} + b x^{2}} b^{2}}{c^{2}} - \frac {16 \, {\left (c x^{4} + b x^{2}\right )}^{\frac {3}{2}}}{c}\right )} A + \frac {1}{768} \, {\left (\frac {60 \, \sqrt {c x^{4} + b x^{2}} b^{2} x^{2}}{c^{2}} + \frac {96 \, {\left (c x^{4} + b x^{2}\right )}^{\frac {3}{2}} x^{2}}{c} - \frac {15 \, b^{4} \log \left (2 \, c x^{2} + b + 2 \, \sqrt {c x^{4} + b x^{2}} \sqrt {c}\right )}{c^{\frac {7}{2}}} + \frac {30 \, \sqrt {c x^{4} + b x^{2}} b^{3}}{c^{3}} - \frac {80 \, {\left (c x^{4} + b x^{2}\right )}^{\frac {3}{2}} b}{c^{2}}\right )} B \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 1.82, size = 272, normalized size = 2.18 \begin {gather*} \left [-\frac {3 \, {\left (5 \, B b^{4} - 8 \, A b^{3} c\right )} \sqrt {c} \log \left (-2 \, c x^{2} - b - 2 \, \sqrt {c x^{4} + b x^{2}} \sqrt {c}\right ) - 2 \, {\left (48 \, B c^{4} x^{6} + 15 \, B b^{3} c - 24 \, A b^{2} c^{2} + 8 \, {\left (B b c^{3} + 8 \, A c^{4}\right )} x^{4} - 2 \, {\left (5 \, B b^{2} c^{2} - 8 \, A b c^{3}\right )} x^{2}\right )} \sqrt {c x^{4} + b x^{2}}}{768 \, c^{4}}, \frac {3 \, {\left (5 \, B b^{4} - 8 \, A b^{3} c\right )} \sqrt {-c} \arctan \left (\frac {\sqrt {c x^{4} + b x^{2}} \sqrt {-c}}{c x^{2} + b}\right ) + {\left (48 \, B c^{4} x^{6} + 15 \, B b^{3} c - 24 \, A b^{2} c^{2} + 8 \, {\left (B b c^{3} + 8 \, A c^{4}\right )} x^{4} - 2 \, {\left (5 \, B b^{2} c^{2} - 8 \, A b c^{3}\right )} x^{2}\right )} \sqrt {c x^{4} + b x^{2}}}{384 \, c^{4}}\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 x^{3} \sqrt {x^{2} \left (b + c x^{2}\right )} \left (A + B x^{2}\right )\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.18, size = 177, normalized size = 1.42 \begin {gather*} \frac {1}{384} \, {\left (2 \, {\left (4 \, {\left (6 \, B x^{2} \mathrm {sgn}\left (x\right ) + \frac {B b c^{5} \mathrm {sgn}\left (x\right ) + 8 \, A c^{6} \mathrm {sgn}\left (x\right )}{c^{6}}\right )} x^{2} - \frac {5 \, B b^{2} c^{4} \mathrm {sgn}\left (x\right ) - 8 \, A b c^{5} \mathrm {sgn}\left (x\right )}{c^{6}}\right )} x^{2} + \frac {3 \, {\left (5 \, B b^{3} c^{3} \mathrm {sgn}\left (x\right ) - 8 \, A b^{2} c^{4} \mathrm {sgn}\left (x\right )\right )}}{c^{6}}\right )} \sqrt {c x^{2} + b} x + \frac {{\left (5 \, B b^{4} \mathrm {sgn}\left (x\right ) - 8 \, A b^{3} c \mathrm {sgn}\left (x\right )\right )} \log \left ({\left | -\sqrt {c} x + \sqrt {c x^{2} + b} \right |}\right )}{128 \, c^{\frac {7}{2}}} - \frac {{\left (5 \, B b^{4} \log \left ({\left | b \right |}\right ) - 8 \, A b^{3} c \log \left ({\left | b \right |}\right )\right )} \mathrm {sgn}\left (x\right )}{256 \, c^{\frac {7}{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.74, size = 177, normalized size = 1.42 \begin {gather*} \frac {B\,x^2\,{\left (c\,x^4+b\,x^2\right )}^{3/2}}{8\,c}-\frac {5\,B\,b\,\left (\frac {b^3\,\ln \left (b+2\,c\,x^2+2\,\sqrt {c}\,\left |x\right |\,\sqrt {c\,x^2+b}\right )}{16\,c^{5/2}}+\frac {\sqrt {c\,x^4+b\,x^2}\,\left (-3\,b^2+2\,b\,c\,x^2+8\,c^2\,x^4\right )}{24\,c^2}\right )}{16\,c}+\frac {A\,b^3\,\ln \left (b+2\,c\,x^2+2\,\sqrt {c}\,\left |x\right |\,\sqrt {c\,x^2+b}\right )}{32\,c^{5/2}}+\frac {A\,\sqrt {c\,x^4+b\,x^2}\,\left (-3\,b^2+2\,b\,c\,x^2+8\,c^2\,x^4\right )}{48\,c^2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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