Optimal. Leaf size=135 \[ -\frac {2 (b B-A c) x^3}{b c \sqrt {b x+c x^2}}-\frac {3 (5 b B-4 A c) \sqrt {b x+c x^2}}{4 c^3}+\frac {(5 b B-4 A c) x \sqrt {b x+c x^2}}{2 b c^2}+\frac {3 b (5 b B-4 A c) \tanh ^{-1}\left (\frac {\sqrt {c} x}{\sqrt {b x+c x^2}}\right )}{4 c^{7/2}} \]
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Rubi [A]
time = 0.07, antiderivative size = 135, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 5, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.227, Rules used = {802, 684, 654,
634, 212} \begin {gather*} \frac {3 b (5 b B-4 A c) \tanh ^{-1}\left (\frac {\sqrt {c} x}{\sqrt {b x+c x^2}}\right )}{4 c^{7/2}}-\frac {3 \sqrt {b x+c x^2} (5 b B-4 A c)}{4 c^3}+\frac {x \sqrt {b x+c x^2} (5 b B-4 A c)}{2 b c^2}-\frac {2 x^3 (b B-A c)}{b c \sqrt {b x+c x^2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 212
Rule 634
Rule 654
Rule 684
Rule 802
Rubi steps
\begin {align*} \int \frac {x^3 (A+B x)}{\left (b x+c x^2\right )^{3/2}} \, dx &=-\frac {2 (b B-A c) x^3}{b c \sqrt {b x+c x^2}}-\left (\frac {4 A}{b}-\frac {5 B}{c}\right ) \int \frac {x^2}{\sqrt {b x+c x^2}} \, dx\\ &=-\frac {2 (b B-A c) x^3}{b c \sqrt {b x+c x^2}}+\frac {(5 b B-4 A c) x \sqrt {b x+c x^2}}{2 b c^2}-\frac {(3 (5 b B-4 A c)) \int \frac {x}{\sqrt {b x+c x^2}} \, dx}{4 c^2}\\ &=-\frac {2 (b B-A c) x^3}{b c \sqrt {b x+c x^2}}-\frac {3 (5 b B-4 A c) \sqrt {b x+c x^2}}{4 c^3}+\frac {(5 b B-4 A c) x \sqrt {b x+c x^2}}{2 b c^2}+\frac {(3 b (5 b B-4 A c)) \int \frac {1}{\sqrt {b x+c x^2}} \, dx}{8 c^3}\\ &=-\frac {2 (b B-A c) x^3}{b c \sqrt {b x+c x^2}}-\frac {3 (5 b B-4 A c) \sqrt {b x+c x^2}}{4 c^3}+\frac {(5 b B-4 A c) x \sqrt {b x+c x^2}}{2 b c^2}+\frac {(3 b (5 b B-4 A c)) \text {Subst}\left (\int \frac {1}{1-c x^2} \, dx,x,\frac {x}{\sqrt {b x+c x^2}}\right )}{4 c^3}\\ &=-\frac {2 (b B-A c) x^3}{b c \sqrt {b x+c x^2}}-\frac {3 (5 b B-4 A c) \sqrt {b x+c x^2}}{4 c^3}+\frac {(5 b B-4 A c) x \sqrt {b x+c x^2}}{2 b c^2}+\frac {3 b (5 b B-4 A c) \tanh ^{-1}\left (\frac {\sqrt {c} x}{\sqrt {b x+c x^2}}\right )}{4 c^{7/2}}\\ \end {align*}
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Mathematica [A]
time = 0.18, size = 108, normalized size = 0.80 \begin {gather*} \frac {\sqrt {c} x \left (-15 b^2 B+b c (12 A-5 B x)+2 c^2 x (2 A+B x)\right )-3 b (5 b B-4 A c) \sqrt {x} \sqrt {b+c x} \log \left (-\sqrt {c} \sqrt {x}+\sqrt {b+c x}\right )}{4 c^{7/2} \sqrt {x (b+c x)}} \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(267\) vs.
\(2(117)=234\).
time = 0.54, size = 268, normalized size = 1.99
method | result | size |
risch | \(\frac {\left (2 B c x +4 A c -7 B b \right ) x \left (c x +b \right )}{4 c^{3} \sqrt {x \left (c x +b \right )}}-\frac {3 b \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x}\right ) A}{2 c^{\frac {5}{2}}}+\frac {15 b^{2} \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x}\right ) B}{8 c^{\frac {7}{2}}}+\frac {2 b \sqrt {c \left (\frac {b}{c}+x \right )^{2}-\left (\frac {b}{c}+x \right ) b}\, A}{c^{3} \left (\frac {b}{c}+x \right )}-\frac {2 b^{2} \sqrt {c \left (\frac {b}{c}+x \right )^{2}-\left (\frac {b}{c}+x \right ) b}\, B}{c^{4} \left (\frac {b}{c}+x \right )}\) | \(182\) |
default | \(B \left (\frac {x^{3}}{2 c \sqrt {c \,x^{2}+b x}}-\frac {5 b \left (\frac {x^{2}}{c \sqrt {c \,x^{2}+b x}}-\frac {3 b \left (-\frac {x}{c \sqrt {c \,x^{2}+b x}}-\frac {b \left (-\frac {1}{c \sqrt {c \,x^{2}+b x}}+\frac {2 c x +b}{b c \sqrt {c \,x^{2}+b x}}\right )}{2 c}+\frac {\ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x}\right )}{c^{\frac {3}{2}}}\right )}{2 c}\right )}{4 c}\right )+A \left (\frac {x^{2}}{c \sqrt {c \,x^{2}+b x}}-\frac {3 b \left (-\frac {x}{c \sqrt {c \,x^{2}+b x}}-\frac {b \left (-\frac {1}{c \sqrt {c \,x^{2}+b x}}+\frac {2 c x +b}{b c \sqrt {c \,x^{2}+b x}}\right )}{2 c}+\frac {\ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x}\right )}{c^{\frac {3}{2}}}\right )}{2 c}\right )\) | \(268\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.27, size = 163, normalized size = 1.21 \begin {gather*} \frac {B x^{3}}{2 \, \sqrt {c x^{2} + b x} c} - \frac {5 \, B b x^{2}}{4 \, \sqrt {c x^{2} + b x} c^{2}} + \frac {A x^{2}}{\sqrt {c x^{2} + b x} c} - \frac {15 \, B b^{2} x}{4 \, \sqrt {c x^{2} + b x} c^{3}} + \frac {3 \, A b x}{\sqrt {c x^{2} + b x} c^{2}} + \frac {15 \, B b^{2} \log \left (2 \, c x + b + 2 \, \sqrt {c x^{2} + b x} \sqrt {c}\right )}{8 \, c^{\frac {7}{2}}} - \frac {3 \, A b \log \left (2 \, c x + b + 2 \, \sqrt {c x^{2} + b x} \sqrt {c}\right )}{2 \, c^{\frac {5}{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 3.66, size = 262, normalized size = 1.94 \begin {gather*} \left [-\frac {3 \, {\left (5 \, B b^{3} - 4 \, A b^{2} c + {\left (5 \, B b^{2} c - 4 \, A b c^{2}\right )} x\right )} \sqrt {c} \log \left (2 \, c x + b - 2 \, \sqrt {c x^{2} + b x} \sqrt {c}\right ) - 2 \, {\left (2 \, B c^{3} x^{2} - 15 \, B b^{2} c + 12 \, A b c^{2} - {\left (5 \, B b c^{2} - 4 \, A c^{3}\right )} x\right )} \sqrt {c x^{2} + b x}}{8 \, {\left (c^{5} x + b c^{4}\right )}}, -\frac {3 \, {\left (5 \, B b^{3} - 4 \, A b^{2} c + {\left (5 \, B b^{2} c - 4 \, A b c^{2}\right )} x\right )} \sqrt {-c} \arctan \left (\frac {\sqrt {c x^{2} + b x} \sqrt {-c}}{c x}\right ) - {\left (2 \, B c^{3} x^{2} - 15 \, B b^{2} c + 12 \, A b c^{2} - {\left (5 \, B b c^{2} - 4 \, A c^{3}\right )} x\right )} \sqrt {c x^{2} + b x}}{4 \, {\left (c^{5} x + b c^{4}\right )}}\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 {x^{3} \left (A + B x\right )}{\left (x \left (b + c x\right )\right )^{\frac {3}{2}}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.81, size = 135, normalized size = 1.00 \begin {gather*} \frac {1}{4} \, \sqrt {c x^{2} + b x} {\left (\frac {2 \, B x}{c^{2}} - \frac {7 \, B b c^{5} - 4 \, A c^{6}}{c^{8}}\right )} - \frac {3 \, {\left (5 \, B b^{2} - 4 \, A b c\right )} \log \left ({\left | -2 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b x}\right )} \sqrt {c} - b \right |}\right )}{8 \, c^{\frac {7}{2}}} - \frac {2 \, {\left (B b^{3} - A b^{2} c\right )}}{{\left ({\left (\sqrt {c} x - \sqrt {c x^{2} + b x}\right )} c + b \sqrt {c}\right )} c^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \frac {x^3\,\left (A+B\,x\right )}{{\left (c\,x^2+b\,x\right )}^{3/2}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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