Optimal. Leaf size=133 \[ \frac {\left (-a B c-A b c+b^2 B\right ) \log \left (a+b x^2+c x^4\right )}{4 c^3}+\frac {\left (2 a A c^2-3 a b B c-A b^2 c+b^3 B\right ) \tanh ^{-1}\left (\frac {b+2 c x^2}{\sqrt {b^2-4 a c}}\right )}{2 c^3 \sqrt {b^2-4 a c}}-\frac {x^2 (b B-A c)}{2 c^2}+\frac {B x^4}{4 c} \]
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Rubi [A] time = 0.21, antiderivative size = 133, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 6, integrand size = 25, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.240, Rules used = {1251, 800, 634, 618, 206, 628} \[ \frac {\left (-a B c-A b c+b^2 B\right ) \log \left (a+b x^2+c x^4\right )}{4 c^3}+\frac {\left (2 a A c^2-3 a b B c-A b^2 c+b^3 B\right ) \tanh ^{-1}\left (\frac {b+2 c x^2}{\sqrt {b^2-4 a c}}\right )}{2 c^3 \sqrt {b^2-4 a c}}-\frac {x^2 (b B-A c)}{2 c^2}+\frac {B x^4}{4 c} \]
Antiderivative was successfully verified.
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Rule 206
Rule 618
Rule 628
Rule 634
Rule 800
Rule 1251
Rubi steps
\begin {align*} \int \frac {x^5 \left (A+B x^2\right )}{a+b x^2+c x^4} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {x^2 (A+B x)}{a+b x+c x^2} \, dx,x,x^2\right )\\ &=\frac {1}{2} \operatorname {Subst}\left (\int \left (-\frac {b B-A c}{c^2}+\frac {B x}{c}+\frac {a (b B-A c)+\left (b^2 B-A b c-a B c\right ) x}{c^2 \left (a+b x+c x^2\right )}\right ) \, dx,x,x^2\right )\\ &=-\frac {(b B-A c) x^2}{2 c^2}+\frac {B x^4}{4 c}+\frac {\operatorname {Subst}\left (\int \frac {a (b B-A c)+\left (b^2 B-A b c-a B c\right ) x}{a+b x+c x^2} \, dx,x,x^2\right )}{2 c^2}\\ &=-\frac {(b B-A c) x^2}{2 c^2}+\frac {B x^4}{4 c}+\frac {\left (b^2 B-A b c-a B c\right ) \operatorname {Subst}\left (\int \frac {b+2 c x}{a+b x+c x^2} \, dx,x,x^2\right )}{4 c^3}-\frac {\left (b^3 B-A b^2 c-3 a b B c+2 a A c^2\right ) \operatorname {Subst}\left (\int \frac {1}{a+b x+c x^2} \, dx,x,x^2\right )}{4 c^3}\\ &=-\frac {(b B-A c) x^2}{2 c^2}+\frac {B x^4}{4 c}+\frac {\left (b^2 B-A b c-a B c\right ) \log \left (a+b x^2+c x^4\right )}{4 c^3}+\frac {\left (b^3 B-A b^2 c-3 a b B c+2 a A c^2\right ) \operatorname {Subst}\left (\int \frac {1}{b^2-4 a c-x^2} \, dx,x,b+2 c x^2\right )}{2 c^3}\\ &=-\frac {(b B-A c) x^2}{2 c^2}+\frac {B x^4}{4 c}+\frac {\left (b^3 B-A b^2 c-3 a b B c+2 a A c^2\right ) \tanh ^{-1}\left (\frac {b+2 c x^2}{\sqrt {b^2-4 a c}}\right )}{2 c^3 \sqrt {b^2-4 a c}}+\frac {\left (b^2 B-A b c-a B c\right ) \log \left (a+b x^2+c x^4\right )}{4 c^3}\\ \end {align*}
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Mathematica [A] time = 0.06, size = 126, normalized size = 0.95 \[ \frac {\left (-a B c-A b c+b^2 B\right ) \log \left (a+b x^2+c x^4\right )+\frac {2 \left (-2 a A c^2+3 a b B c+A b^2 c+b^3 (-B)\right ) \tan ^{-1}\left (\frac {b+2 c x^2}{\sqrt {4 a c-b^2}}\right )}{\sqrt {4 a c-b^2}}+2 c x^2 (A c-b B)+B c^2 x^4}{4 c^3} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.81, size = 421, normalized size = 3.17 \[ \left [\frac {{\left (B b^{2} c^{2} - 4 \, B a c^{3}\right )} x^{4} - 2 \, {\left (B b^{3} c + 4 \, A a c^{3} - {\left (4 \, B a b + A b^{2}\right )} c^{2}\right )} x^{2} + {\left (B b^{3} + 2 \, A a c^{2} - {\left (3 \, B a b + A b^{2}\right )} c\right )} \sqrt {b^{2} - 4 \, a c} \log \left (\frac {2 \, c^{2} x^{4} + 2 \, b c x^{2} + b^{2} - 2 \, a c + {\left (2 \, c x^{2} + b\right )} \sqrt {b^{2} - 4 \, a c}}{c x^{4} + b x^{2} + a}\right ) + {\left (B b^{4} + 4 \, {\left (B a^{2} + A a b\right )} c^{2} - {\left (5 \, B a b^{2} + A b^{3}\right )} c\right )} \log \left (c x^{4} + b x^{2} + a\right )}{4 \, {\left (b^{2} c^{3} - 4 \, a c^{4}\right )}}, \frac {{\left (B b^{2} c^{2} - 4 \, B a c^{3}\right )} x^{4} - 2 \, {\left (B b^{3} c + 4 \, A a c^{3} - {\left (4 \, B a b + A b^{2}\right )} c^{2}\right )} x^{2} + 2 \, {\left (B b^{3} + 2 \, A a c^{2} - {\left (3 \, B a b + A b^{2}\right )} c\right )} \sqrt {-b^{2} + 4 \, a c} \arctan \left (-\frac {{\left (2 \, c x^{2} + b\right )} \sqrt {-b^{2} + 4 \, a c}}{b^{2} - 4 \, a c}\right ) + {\left (B b^{4} + 4 \, {\left (B a^{2} + A a b\right )} c^{2} - {\left (5 \, B a b^{2} + A b^{3}\right )} c\right )} \log \left (c x^{4} + b x^{2} + a\right )}{4 \, {\left (b^{2} c^{3} - 4 \, a c^{4}\right )}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.87, size = 126, normalized size = 0.95 \[ \frac {B c x^{4} - 2 \, B b x^{2} + 2 \, A c x^{2}}{4 \, c^{2}} + \frac {{\left (B b^{2} - B a c - A b c\right )} \log \left (c x^{4} + b x^{2} + a\right )}{4 \, c^{3}} - \frac {{\left (B b^{3} - 3 \, B a b c - A b^{2} c + 2 \, A a c^{2}\right )} \arctan \left (\frac {2 \, c x^{2} + b}{\sqrt {-b^{2} + 4 \, a c}}\right )}{2 \, \sqrt {-b^{2} + 4 \, a c} c^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.01, size = 261, normalized size = 1.96 \[ \frac {B \,x^{4}}{4 c}-\frac {A a \arctan \left (\frac {2 c \,x^{2}+b}{\sqrt {4 a c -b^{2}}}\right )}{\sqrt {4 a c -b^{2}}\, c}+\frac {A \,b^{2} \arctan \left (\frac {2 c \,x^{2}+b}{\sqrt {4 a c -b^{2}}}\right )}{2 \sqrt {4 a c -b^{2}}\, c^{2}}+\frac {A \,x^{2}}{2 c}+\frac {3 B a b \arctan \left (\frac {2 c \,x^{2}+b}{\sqrt {4 a c -b^{2}}}\right )}{2 \sqrt {4 a c -b^{2}}\, c^{2}}-\frac {B \,b^{3} \arctan \left (\frac {2 c \,x^{2}+b}{\sqrt {4 a c -b^{2}}}\right )}{2 \sqrt {4 a c -b^{2}}\, c^{3}}-\frac {B b \,x^{2}}{2 c^{2}}-\frac {A b \ln \left (c \,x^{4}+b \,x^{2}+a \right )}{4 c^{2}}-\frac {B a \ln \left (c \,x^{4}+b \,x^{2}+a \right )}{4 c^{2}}+\frac {B \,b^{2} \ln \left (c \,x^{4}+b \,x^{2}+a \right )}{4 c^{3}} \]
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 [B] time = 0.46, size = 1343, normalized size = 10.10 \[ x^2\,\left (\frac {A}{2\,c}-\frac {B\,b}{2\,c^2}\right )+\frac {B\,x^4}{4\,c}-\frac {\ln \left (c\,x^4+b\,x^2+a\right )\,\left (8\,B\,a^2\,c^2-10\,B\,a\,b^2\,c+8\,A\,a\,b\,c^2+2\,B\,b^4-2\,A\,b^3\,c\right )}{2\,\left (16\,a\,c^4-4\,b^2\,c^3\right )}+\frac {\mathrm {atan}\left (\frac {2\,c^4\,\left (4\,a\,c-b^2\right )\,\left (x^2\,\left (\frac {\frac {\left (\frac {-6\,B\,b^3\,c^3+6\,A\,b^2\,c^4+10\,B\,a\,b\,c^4-4\,A\,a\,c^5}{c^4}-\frac {4\,b\,c^2\,\left (8\,B\,a^2\,c^2-10\,B\,a\,b^2\,c+8\,A\,a\,b\,c^2+2\,B\,b^4-2\,A\,b^3\,c\right )}{16\,a\,c^4-4\,b^2\,c^3}\right )\,\left (B\,b^3-A\,b^2\,c-3\,B\,a\,b\,c+2\,A\,a\,c^2\right )}{8\,c^3\,\sqrt {4\,a\,c-b^2}}-\frac {b\,\left (B\,b^3-A\,b^2\,c-3\,B\,a\,b\,c+2\,A\,a\,c^2\right )\,\left (8\,B\,a^2\,c^2-10\,B\,a\,b^2\,c+8\,A\,a\,b\,c^2+2\,B\,b^4-2\,A\,b^3\,c\right )}{2\,c\,\sqrt {4\,a\,c-b^2}\,\left (16\,a\,c^4-4\,b^2\,c^3\right )}}{a}-\frac {b\,\left (\frac {\left (\frac {-6\,B\,b^3\,c^3+6\,A\,b^2\,c^4+10\,B\,a\,b\,c^4-4\,A\,a\,c^5}{c^4}-\frac {4\,b\,c^2\,\left (8\,B\,a^2\,c^2-10\,B\,a\,b^2\,c+8\,A\,a\,b\,c^2+2\,B\,b^4-2\,A\,b^3\,c\right )}{16\,a\,c^4-4\,b^2\,c^3}\right )\,\left (8\,B\,a^2\,c^2-10\,B\,a\,b^2\,c+8\,A\,a\,b\,c^2+2\,B\,b^4-2\,A\,b^3\,c\right )}{2\,\left (16\,a\,c^4-4\,b^2\,c^3\right )}-\frac {-A^2\,a\,b\,c^3+A^2\,b^3\,c^2-A\,B\,a^2\,c^3+4\,A\,B\,a\,b^2\,c^2-2\,A\,B\,b^4\,c+2\,B^2\,a^2\,b\,c^2-3\,B^2\,a\,b^3\,c+B^2\,b^5}{c^4}+\frac {b\,{\left (B\,b^3-A\,b^2\,c-3\,B\,a\,b\,c+2\,A\,a\,c^2\right )}^2}{2\,c^4\,\left (4\,a\,c-b^2\right )}\right )}{2\,a\,\sqrt {4\,a\,c-b^2}}\right )+\frac {\frac {\left (\frac {8\,B\,a^2\,c^4-8\,B\,a\,b^2\,c^3+8\,A\,a\,b\,c^4}{c^4}-\frac {8\,a\,c^2\,\left (8\,B\,a^2\,c^2-10\,B\,a\,b^2\,c+8\,A\,a\,b\,c^2+2\,B\,b^4-2\,A\,b^3\,c\right )}{16\,a\,c^4-4\,b^2\,c^3}\right )\,\left (B\,b^3-A\,b^2\,c-3\,B\,a\,b\,c+2\,A\,a\,c^2\right )}{8\,c^3\,\sqrt {4\,a\,c-b^2}}-\frac {a\,\left (B\,b^3-A\,b^2\,c-3\,B\,a\,b\,c+2\,A\,a\,c^2\right )\,\left (8\,B\,a^2\,c^2-10\,B\,a\,b^2\,c+8\,A\,a\,b\,c^2+2\,B\,b^4-2\,A\,b^3\,c\right )}{c\,\sqrt {4\,a\,c-b^2}\,\left (16\,a\,c^4-4\,b^2\,c^3\right )}}{a}-\frac {b\,\left (\frac {\left (\frac {8\,B\,a^2\,c^4-8\,B\,a\,b^2\,c^3+8\,A\,a\,b\,c^4}{c^4}-\frac {8\,a\,c^2\,\left (8\,B\,a^2\,c^2-10\,B\,a\,b^2\,c+8\,A\,a\,b\,c^2+2\,B\,b^4-2\,A\,b^3\,c\right )}{16\,a\,c^4-4\,b^2\,c^3}\right )\,\left (8\,B\,a^2\,c^2-10\,B\,a\,b^2\,c+8\,A\,a\,b\,c^2+2\,B\,b^4-2\,A\,b^3\,c\right )}{2\,\left (16\,a\,c^4-4\,b^2\,c^3\right )}-\frac {A^2\,a\,b^2\,c^2+2\,A\,B\,a^2\,b\,c^2-2\,A\,B\,a\,b^3\,c+B^2\,a^3\,c^2-2\,B^2\,a^2\,b^2\,c+B^2\,a\,b^4}{c^4}+\frac {a\,{\left (B\,b^3-A\,b^2\,c-3\,B\,a\,b\,c+2\,A\,a\,c^2\right )}^2}{c^4\,\left (4\,a\,c-b^2\right )}\right )}{2\,a\,\sqrt {4\,a\,c-b^2}}\right )}{4\,A^2\,a^2\,c^4-4\,A^2\,a\,b^2\,c^3+A^2\,b^4\,c^2-12\,A\,B\,a^2\,b\,c^3+10\,A\,B\,a\,b^3\,c^2-2\,A\,B\,b^5\,c+9\,B^2\,a^2\,b^2\,c^2-6\,B^2\,a\,b^4\,c+B^2\,b^6}\right )\,\left (B\,b^3-A\,b^2\,c-3\,B\,a\,b\,c+2\,A\,a\,c^2\right )}{2\,c^3\,\sqrt {4\,a\,c-b^2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [B] time = 43.89, size = 620, normalized size = 4.66 \[ \frac {B x^{4}}{4 c} + x^{2} \left (\frac {A}{2 c} - \frac {B b}{2 c^{2}}\right ) + \left (- \frac {\sqrt {- 4 a c + b^{2}} \left (- 2 A a c^{2} + A b^{2} c + 3 B a b c - B b^{3}\right )}{4 c^{3} \left (4 a c - b^{2}\right )} - \frac {A b c + B a c - B b^{2}}{4 c^{3}}\right ) \log {\left (x^{2} + \frac {A a b c + 2 B a^{2} c - B a b^{2} + 8 a c^{3} \left (- \frac {\sqrt {- 4 a c + b^{2}} \left (- 2 A a c^{2} + A b^{2} c + 3 B a b c - B b^{3}\right )}{4 c^{3} \left (4 a c - b^{2}\right )} - \frac {A b c + B a c - B b^{2}}{4 c^{3}}\right ) - 2 b^{2} c^{2} \left (- \frac {\sqrt {- 4 a c + b^{2}} \left (- 2 A a c^{2} + A b^{2} c + 3 B a b c - B b^{3}\right )}{4 c^{3} \left (4 a c - b^{2}\right )} - \frac {A b c + B a c - B b^{2}}{4 c^{3}}\right )}{- 2 A a c^{2} + A b^{2} c + 3 B a b c - B b^{3}} \right )} + \left (\frac {\sqrt {- 4 a c + b^{2}} \left (- 2 A a c^{2} + A b^{2} c + 3 B a b c - B b^{3}\right )}{4 c^{3} \left (4 a c - b^{2}\right )} - \frac {A b c + B a c - B b^{2}}{4 c^{3}}\right ) \log {\left (x^{2} + \frac {A a b c + 2 B a^{2} c - B a b^{2} + 8 a c^{3} \left (\frac {\sqrt {- 4 a c + b^{2}} \left (- 2 A a c^{2} + A b^{2} c + 3 B a b c - B b^{3}\right )}{4 c^{3} \left (4 a c - b^{2}\right )} - \frac {A b c + B a c - B b^{2}}{4 c^{3}}\right ) - 2 b^{2} c^{2} \left (\frac {\sqrt {- 4 a c + b^{2}} \left (- 2 A a c^{2} + A b^{2} c + 3 B a b c - B b^{3}\right )}{4 c^{3} \left (4 a c - b^{2}\right )} - \frac {A b c + B a c - B b^{2}}{4 c^{3}}\right )}{- 2 A a c^{2} + A b^{2} c + 3 B a b c - B b^{3}} \right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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