Optimal. Leaf size=139 \[ \frac{2 x (3 a C+4 A b)}{105 a^3 b^2 \sqrt{a+b x^2}}+\frac{x (3 a C+4 A b)}{105 a^2 b^2 \left (a+b x^2\right )^{3/2}}-\frac{x (3 a C+4 A b)+2 a B}{35 a b^2 \left (a+b x^2\right )^{5/2}}-\frac{x^2 (a B-x (A b-a C))}{7 a b \left (a+b x^2\right )^{7/2}} \]
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Rubi [A] time = 0.13103, antiderivative size = 139, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 25, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.16, Rules used = {1804, 778, 192, 191} \[ \frac{2 x (3 a C+4 A b)}{105 a^3 b^2 \sqrt{a+b x^2}}+\frac{x (3 a C+4 A b)}{105 a^2 b^2 \left (a+b x^2\right )^{3/2}}-\frac{x (3 a C+4 A b)+2 a B}{35 a b^2 \left (a+b x^2\right )^{5/2}}-\frac{x^2 (a B-x (A b-a C))}{7 a b \left (a+b x^2\right )^{7/2}} \]
Antiderivative was successfully verified.
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Rule 1804
Rule 778
Rule 192
Rule 191
Rubi steps
\begin{align*} \int \frac{x^2 \left (A+B x+C x^2\right )}{\left (a+b x^2\right )^{9/2}} \, dx &=-\frac{x^2 (a B-(A b-a C) x)}{7 a b \left (a+b x^2\right )^{7/2}}-\frac{\int \frac{x (-2 a B-(4 A b+3 a C) x)}{\left (a+b x^2\right )^{7/2}} \, dx}{7 a b}\\ &=-\frac{x^2 (a B-(A b-a C) x)}{7 a b \left (a+b x^2\right )^{7/2}}-\frac{2 a B+(4 A b+3 a C) x}{35 a b^2 \left (a+b x^2\right )^{5/2}}+\frac{(4 A b+3 a C) \int \frac{1}{\left (a+b x^2\right )^{5/2}} \, dx}{35 a b^2}\\ &=-\frac{x^2 (a B-(A b-a C) x)}{7 a b \left (a+b x^2\right )^{7/2}}-\frac{2 a B+(4 A b+3 a C) x}{35 a b^2 \left (a+b x^2\right )^{5/2}}+\frac{(4 A b+3 a C) x}{105 a^2 b^2 \left (a+b x^2\right )^{3/2}}+\frac{(2 (4 A b+3 a C)) \int \frac{1}{\left (a+b x^2\right )^{3/2}} \, dx}{105 a^2 b^2}\\ &=-\frac{x^2 (a B-(A b-a C) x)}{7 a b \left (a+b x^2\right )^{7/2}}-\frac{2 a B+(4 A b+3 a C) x}{35 a b^2 \left (a+b x^2\right )^{5/2}}+\frac{(4 A b+3 a C) x}{105 a^2 b^2 \left (a+b x^2\right )^{3/2}}+\frac{2 (4 A b+3 a C) x}{105 a^3 b^2 \sqrt{a+b x^2}}\\ \end{align*}
Mathematica [A] time = 0.0945074, size = 87, normalized size = 0.63 \[ \frac{7 a^2 b^2 x^3 \left (5 A+3 C x^2\right )-21 a^3 b B x^2-6 a^4 B+2 a b^3 x^5 \left (14 A+3 C x^2\right )+8 A b^4 x^7}{105 a^3 b^2 \left (a+b x^2\right )^{7/2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.006, size = 88, normalized size = 0.6 \begin{align*}{\frac{8\,A{b}^{4}{x}^{7}+6\,Ca{b}^{3}{x}^{7}+28\,Aa{b}^{3}{x}^{5}+21\,C{a}^{2}{b}^{2}{x}^{5}+35\,A{x}^{3}{b}^{2}{a}^{2}-21\,B{x}^{2}b{a}^{3}-6\,B{a}^{4}}{105\,{b}^{2}{a}^{3}} \left ( b{x}^{2}+a \right ) ^{-{\frac{7}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.03386, size = 266, normalized size = 1.91 \begin{align*} -\frac{C x^{3}}{4 \,{\left (b x^{2} + a\right )}^{\frac{7}{2}} b} - \frac{B x^{2}}{5 \,{\left (b x^{2} + a\right )}^{\frac{7}{2}} b} + \frac{3 \, C x}{140 \,{\left (b x^{2} + a\right )}^{\frac{5}{2}} b^{2}} + \frac{2 \, C x}{35 \, \sqrt{b x^{2} + a} a^{2} b^{2}} + \frac{C x}{35 \,{\left (b x^{2} + a\right )}^{\frac{3}{2}} a b^{2}} - \frac{3 \, C a x}{28 \,{\left (b x^{2} + a\right )}^{\frac{7}{2}} b^{2}} - \frac{A x}{7 \,{\left (b x^{2} + a\right )}^{\frac{7}{2}} b} + \frac{8 \, A x}{105 \, \sqrt{b x^{2} + a} a^{3} b} + \frac{4 \, A x}{105 \,{\left (b x^{2} + a\right )}^{\frac{3}{2}} a^{2} b} + \frac{A x}{35 \,{\left (b x^{2} + a\right )}^{\frac{5}{2}} a b} - \frac{2 \, B a}{35 \,{\left (b x^{2} + a\right )}^{\frac{7}{2}} b^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.67192, size = 277, normalized size = 1.99 \begin{align*} \frac{{\left (35 \, A a^{2} b^{2} x^{3} + 2 \,{\left (3 \, C a b^{3} + 4 \, A b^{4}\right )} x^{7} - 21 \, B a^{3} b x^{2} + 7 \,{\left (3 \, C a^{2} b^{2} + 4 \, A a b^{3}\right )} x^{5} - 6 \, B a^{4}\right )} \sqrt{b x^{2} + a}}{105 \,{\left (a^{3} b^{6} x^{8} + 4 \, a^{4} b^{5} x^{6} + 6 \, a^{5} b^{4} x^{4} + 4 \, a^{6} b^{3} x^{2} + a^{7} b^{2}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 110.567, size = 904, normalized size = 6.5 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.18506, size = 127, normalized size = 0.91 \begin{align*} \frac{{\left ({\left (x^{2}{\left (\frac{2 \,{\left (3 \, C a b^{4} + 4 \, A b^{5}\right )} x^{2}}{a^{3} b^{3}} + \frac{7 \,{\left (3 \, C a^{2} b^{3} + 4 \, A a b^{4}\right )}}{a^{3} b^{3}}\right )} + \frac{35 \, A}{a}\right )} x - \frac{21 \, B}{b}\right )} x^{2} - \frac{6 \, B a}{b^{2}}}{105 \,{\left (b x^{2} + a\right )}^{\frac{7}{2}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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