Optimal. Leaf size=131 \[ -\frac{a^{5/2} (7 A b-9 a B) \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{2 b^{11/2}}+\frac{a^3 x (A b-a B)}{2 b^5 \left (a+b x^2\right )}+\frac{a^2 x (3 A b-4 a B)}{b^5}-\frac{a x^3 (2 A b-3 a B)}{3 b^4}+\frac{x^5 (A b-2 a B)}{5 b^3}+\frac{B x^7}{7 b^2} \]
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Rubi [A] time = 0.287295, antiderivative size = 131, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.15 \[ -\frac{a^{5/2} (7 A b-9 a B) \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{2 b^{11/2}}+\frac{a^3 x (A b-a B)}{2 b^5 \left (a+b x^2\right )}+\frac{a^2 x (3 A b-4 a B)}{b^5}-\frac{a x^3 (2 A b-3 a B)}{3 b^4}+\frac{x^5 (A b-2 a B)}{5 b^3}+\frac{B x^7}{7 b^2} \]
Antiderivative was successfully verified.
[In] Int[(x^8*(A + B*x^2))/(a + b*x^2)^2,x]
[Out]
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Rubi in Sympy [F] time = 0., size = 0, normalized size = 0. \[ \frac{B x^{7}}{7 b^{2}} - \frac{a^{\frac{5}{2}} \left (7 A b - 9 B a\right ) \operatorname{atan}{\left (\frac{\sqrt{b} x}{\sqrt{a}} \right )}}{2 b^{\frac{11}{2}}} + \frac{a^{3} x \left (A b - B a\right )}{2 b^{5} \left (a + b x^{2}\right )} - \frac{a x^{3} \left (2 A b - 3 B a\right )}{3 b^{4}} + \frac{x^{5} \left (A b - 2 B a\right )}{5 b^{3}} + \frac{\left (3 A b - 4 B a\right ) \int a^{2}\, dx}{b^{5}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate(x**8*(B*x**2+A)/(b*x**2+a)**2,x)
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Mathematica [A] time = 0.179153, size = 134, normalized size = 1.02 \[ \frac{a^{5/2} (9 a B-7 A b) \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{2 b^{11/2}}-\frac{a^2 x (4 a B-3 A b)}{b^5}+\frac{x \left (a^3 A b-a^4 B\right )}{2 b^5 \left (a+b x^2\right )}+\frac{a x^3 (3 a B-2 A b)}{3 b^4}+\frac{x^5 (A b-2 a B)}{5 b^3}+\frac{B x^7}{7 b^2} \]
Antiderivative was successfully verified.
[In] Integrate[(x^8*(A + B*x^2))/(a + b*x^2)^2,x]
[Out]
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Maple [A] time = 0.013, size = 155, normalized size = 1.2 \[{\frac{B{x}^{7}}{7\,{b}^{2}}}+{\frac{A{x}^{5}}{5\,{b}^{2}}}-{\frac{2\,B{x}^{5}a}{5\,{b}^{3}}}-{\frac{2\,aA{x}^{3}}{3\,{b}^{3}}}+{\frac{B{x}^{3}{a}^{2}}{{b}^{4}}}+3\,{\frac{{a}^{2}Ax}{{b}^{4}}}-4\,{\frac{B{a}^{3}x}{{b}^{5}}}+{\frac{{a}^{3}xA}{2\,{b}^{4} \left ( b{x}^{2}+a \right ) }}-{\frac{{a}^{4}xB}{2\,{b}^{5} \left ( b{x}^{2}+a \right ) }}-{\frac{7\,A{a}^{3}}{2\,{b}^{4}}\arctan \left ({bx{\frac{1}{\sqrt{ab}}}} \right ){\frac{1}{\sqrt{ab}}}}+{\frac{9\,B{a}^{4}}{2\,{b}^{5}}\arctan \left ({bx{\frac{1}{\sqrt{ab}}}} \right ){\frac{1}{\sqrt{ab}}}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int(x^8*(B*x^2+A)/(b*x^2+a)^2,x)
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Maxima [F] time = 0., size = 0, normalized size = 0. \[ \text{Exception raised: ValueError} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((B*x^2 + A)*x^8/(b*x^2 + a)^2,x, algorithm="maxima")
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Fricas [A] time = 0.248265, size = 1, normalized size = 0.01 \[ \left [\frac{60 \, B b^{4} x^{9} - 12 \,{\left (9 \, B a b^{3} - 7 \, A b^{4}\right )} x^{7} + 28 \,{\left (9 \, B a^{2} b^{2} - 7 \, A a b^{3}\right )} x^{5} - 140 \,{\left (9 \, B a^{3} b - 7 \, A a^{2} b^{2}\right )} x^{3} - 105 \,{\left (9 \, B a^{4} - 7 \, A a^{3} b +{\left (9 \, B a^{3} b - 7 \, A a^{2} b^{2}\right )} x^{2}\right )} \sqrt{-\frac{a}{b}} \log \left (\frac{b x^{2} - 2 \, b x \sqrt{-\frac{a}{b}} - a}{b x^{2} + a}\right ) - 210 \,{\left (9 \, B a^{4} - 7 \, A a^{3} b\right )} x}{420 \,{\left (b^{6} x^{2} + a b^{5}\right )}}, \frac{30 \, B b^{4} x^{9} - 6 \,{\left (9 \, B a b^{3} - 7 \, A b^{4}\right )} x^{7} + 14 \,{\left (9 \, B a^{2} b^{2} - 7 \, A a b^{3}\right )} x^{5} - 70 \,{\left (9 \, B a^{3} b - 7 \, A a^{2} b^{2}\right )} x^{3} + 105 \,{\left (9 \, B a^{4} - 7 \, A a^{3} b +{\left (9 \, B a^{3} b - 7 \, A a^{2} b^{2}\right )} x^{2}\right )} \sqrt{\frac{a}{b}} \arctan \left (\frac{x}{\sqrt{\frac{a}{b}}}\right ) - 105 \,{\left (9 \, B a^{4} - 7 \, A a^{3} b\right )} x}{210 \,{\left (b^{6} x^{2} + a b^{5}\right )}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((B*x^2 + A)*x^8/(b*x^2 + a)^2,x, algorithm="fricas")
[Out]
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Sympy [A] time = 3.52406, size = 233, normalized size = 1.78 \[ \frac{B x^{7}}{7 b^{2}} - \frac{x \left (- A a^{3} b + B a^{4}\right )}{2 a b^{5} + 2 b^{6} x^{2}} - \frac{\sqrt{- \frac{a^{5}}{b^{11}}} \left (- 7 A b + 9 B a\right ) \log{\left (- \frac{b^{5} \sqrt{- \frac{a^{5}}{b^{11}}} \left (- 7 A b + 9 B a\right )}{- 7 A a^{2} b + 9 B a^{3}} + x \right )}}{4} + \frac{\sqrt{- \frac{a^{5}}{b^{11}}} \left (- 7 A b + 9 B a\right ) \log{\left (\frac{b^{5} \sqrt{- \frac{a^{5}}{b^{11}}} \left (- 7 A b + 9 B a\right )}{- 7 A a^{2} b + 9 B a^{3}} + x \right )}}{4} - \frac{x^{5} \left (- A b + 2 B a\right )}{5 b^{3}} + \frac{x^{3} \left (- 2 A a b + 3 B a^{2}\right )}{3 b^{4}} - \frac{x \left (- 3 A a^{2} b + 4 B a^{3}\right )}{b^{5}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x**8*(B*x**2+A)/(b*x**2+a)**2,x)
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GIAC/XCAS [A] time = 0.231291, size = 188, normalized size = 1.44 \[ \frac{{\left (9 \, B a^{4} - 7 \, A a^{3} b\right )} \arctan \left (\frac{b x}{\sqrt{a b}}\right )}{2 \, \sqrt{a b} b^{5}} - \frac{B a^{4} x - A a^{3} b x}{2 \,{\left (b x^{2} + a\right )} b^{5}} + \frac{15 \, B b^{12} x^{7} - 42 \, B a b^{11} x^{5} + 21 \, A b^{12} x^{5} + 105 \, B a^{2} b^{10} x^{3} - 70 \, A a b^{11} x^{3} - 420 \, B a^{3} b^{9} x + 315 \, A a^{2} b^{10} x}{105 \, b^{14}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((B*x^2 + A)*x^8/(b*x^2 + a)^2,x, algorithm="giac")
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