Optimal. Leaf size=251 \[ -\frac{315 \left (a+b x^2\right )}{128 a^5 x \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{105}{128 a^4 x \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{21}{64 a^3 x \sqrt{a^2+2 a b x^2+b^2 x^4} \left (a+b x^2\right )}+\frac{3}{16 a^2 x \sqrt{a^2+2 a b x^2+b^2 x^4} \left (a+b x^2\right )^2}+\frac{1}{8 a x \sqrt{a^2+2 a b x^2+b^2 x^4} \left (a+b x^2\right )^3}-\frac{315 \sqrt{b} \left (a+b x^2\right ) \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{128 a^{11/2} \sqrt{a^2+2 a b x^2+b^2 x^4}} \]
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Rubi [A] time = 0.109376, antiderivative size = 251, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 4, integrand size = 26, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.154, Rules used = {1112, 290, 325, 205} \[ -\frac{315 \left (a+b x^2\right )}{128 a^5 x \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{105}{128 a^4 x \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{21}{64 a^3 x \sqrt{a^2+2 a b x^2+b^2 x^4} \left (a+b x^2\right )}+\frac{3}{16 a^2 x \sqrt{a^2+2 a b x^2+b^2 x^4} \left (a+b x^2\right )^2}+\frac{1}{8 a x \sqrt{a^2+2 a b x^2+b^2 x^4} \left (a+b x^2\right )^3}-\frac{315 \sqrt{b} \left (a+b x^2\right ) \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{128 a^{11/2} \sqrt{a^2+2 a b x^2+b^2 x^4}} \]
Antiderivative was successfully verified.
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Rule 1112
Rule 290
Rule 325
Rule 205
Rubi steps
\begin{align*} \int \frac{1}{x^2 \left (a^2+2 a b x^2+b^2 x^4\right )^{5/2}} \, dx &=\frac{\left (b^4 \left (a b+b^2 x^2\right )\right ) \int \frac{1}{x^2 \left (a b+b^2 x^2\right )^5} \, dx}{\sqrt{a^2+2 a b x^2+b^2 x^4}}\\ &=\frac{1}{8 a x \left (a+b x^2\right )^3 \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{\left (9 b^3 \left (a b+b^2 x^2\right )\right ) \int \frac{1}{x^2 \left (a b+b^2 x^2\right )^4} \, dx}{8 a \sqrt{a^2+2 a b x^2+b^2 x^4}}\\ &=\frac{1}{8 a x \left (a+b x^2\right )^3 \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{3}{16 a^2 x \left (a+b x^2\right )^2 \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{\left (21 b^2 \left (a b+b^2 x^2\right )\right ) \int \frac{1}{x^2 \left (a b+b^2 x^2\right )^3} \, dx}{16 a^2 \sqrt{a^2+2 a b x^2+b^2 x^4}}\\ &=\frac{1}{8 a x \left (a+b x^2\right )^3 \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{3}{16 a^2 x \left (a+b x^2\right )^2 \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{21}{64 a^3 x \left (a+b x^2\right ) \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{\left (105 b \left (a b+b^2 x^2\right )\right ) \int \frac{1}{x^2 \left (a b+b^2 x^2\right )^2} \, dx}{64 a^3 \sqrt{a^2+2 a b x^2+b^2 x^4}}\\ &=\frac{105}{128 a^4 x \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{1}{8 a x \left (a+b x^2\right )^3 \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{3}{16 a^2 x \left (a+b x^2\right )^2 \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{21}{64 a^3 x \left (a+b x^2\right ) \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{\left (315 \left (a b+b^2 x^2\right )\right ) \int \frac{1}{x^2 \left (a b+b^2 x^2\right )} \, dx}{128 a^4 \sqrt{a^2+2 a b x^2+b^2 x^4}}\\ &=\frac{105}{128 a^4 x \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{1}{8 a x \left (a+b x^2\right )^3 \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{3}{16 a^2 x \left (a+b x^2\right )^2 \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{21}{64 a^3 x \left (a+b x^2\right ) \sqrt{a^2+2 a b x^2+b^2 x^4}}-\frac{315 \left (a+b x^2\right )}{128 a^5 x \sqrt{a^2+2 a b x^2+b^2 x^4}}-\frac{\left (315 b \left (a b+b^2 x^2\right )\right ) \int \frac{1}{a b+b^2 x^2} \, dx}{128 a^5 \sqrt{a^2+2 a b x^2+b^2 x^4}}\\ &=\frac{105}{128 a^4 x \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{1}{8 a x \left (a+b x^2\right )^3 \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{3}{16 a^2 x \left (a+b x^2\right )^2 \sqrt{a^2+2 a b x^2+b^2 x^4}}+\frac{21}{64 a^3 x \left (a+b x^2\right ) \sqrt{a^2+2 a b x^2+b^2 x^4}}-\frac{315 \left (a+b x^2\right )}{128 a^5 x \sqrt{a^2+2 a b x^2+b^2 x^4}}-\frac{315 \sqrt{b} \left (a+b x^2\right ) \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{128 a^{11/2} \sqrt{a^2+2 a b x^2+b^2 x^4}}\\ \end{align*}
Mathematica [A] time = 0.0440012, size = 115, normalized size = 0.46 \[ \frac{-\sqrt{a} \left (1533 a^2 b^2 x^4+837 a^3 b x^2+128 a^4+1155 a b^3 x^6+315 b^4 x^8\right )-315 \sqrt{b} x \left (a+b x^2\right )^4 \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{128 a^{11/2} x \left (a+b x^2\right )^3 \sqrt{\left (a+b x^2\right )^2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.233, size = 191, normalized size = 0.8 \begin{align*} -{\frac{b{x}^{2}+a}{128\,x{a}^{5}} \left ( 315\,\arctan \left ({\frac{bx}{\sqrt{ab}}} \right ){x}^{9}{b}^{5}+315\,\sqrt{ab}{x}^{8}{b}^{4}+1260\,\arctan \left ({\frac{bx}{\sqrt{ab}}} \right ){x}^{7}a{b}^{4}+1155\,\sqrt{ab}{x}^{6}a{b}^{3}+1890\,\arctan \left ({\frac{bx}{\sqrt{ab}}} \right ){x}^{5}{a}^{2}{b}^{3}+1533\,\sqrt{ab}{x}^{4}{a}^{2}{b}^{2}+1260\,\arctan \left ({\frac{bx}{\sqrt{ab}}} \right ){x}^{3}{a}^{3}{b}^{2}+837\,\sqrt{ab}{x}^{2}{a}^{3}b+315\,\arctan \left ({\frac{bx}{\sqrt{ab}}} \right ) x{a}^{4}b+128\,\sqrt{ab}{a}^{4} \right ){\frac{1}{\sqrt{ab}}} \left ( \left ( b{x}^{2}+a \right ) ^{2} \right ) ^{-{\frac{5}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.40395, size = 721, normalized size = 2.87 \begin{align*} \left [-\frac{630 \, b^{4} x^{8} + 2310 \, a b^{3} x^{6} + 3066 \, a^{2} b^{2} x^{4} + 1674 \, a^{3} b x^{2} + 256 \, a^{4} - 315 \,{\left (b^{4} x^{9} + 4 \, a b^{3} x^{7} + 6 \, a^{2} b^{2} x^{5} + 4 \, a^{3} b x^{3} + a^{4} x\right )} \sqrt{-\frac{b}{a}} \log \left (\frac{b x^{2} - 2 \, a x \sqrt{-\frac{b}{a}} - a}{b x^{2} + a}\right )}{256 \,{\left (a^{5} b^{4} x^{9} + 4 \, a^{6} b^{3} x^{7} + 6 \, a^{7} b^{2} x^{5} + 4 \, a^{8} b x^{3} + a^{9} x\right )}}, -\frac{315 \, b^{4} x^{8} + 1155 \, a b^{3} x^{6} + 1533 \, a^{2} b^{2} x^{4} + 837 \, a^{3} b x^{2} + 128 \, a^{4} + 315 \,{\left (b^{4} x^{9} + 4 \, a b^{3} x^{7} + 6 \, a^{2} b^{2} x^{5} + 4 \, a^{3} b x^{3} + a^{4} x\right )} \sqrt{\frac{b}{a}} \arctan \left (x \sqrt{\frac{b}{a}}\right )}{128 \,{\left (a^{5} b^{4} x^{9} + 4 \, a^{6} b^{3} x^{7} + 6 \, a^{7} b^{2} x^{5} + 4 \, a^{8} b x^{3} + a^{9} x\right )}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{x^{2} \left (\left (a + b x^{2}\right )^{2}\right )^{\frac{5}{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \mathit{sage}_{0} x \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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