Optimal. Leaf size=107 \[ \frac{5}{16} a^2 A x \sqrt{a+b x^2}+\frac{5 a^3 A \tanh ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a+b x^2}}\right )}{16 \sqrt{b}}+\frac{1}{6} A x \left (a+b x^2\right )^{5/2}+\frac{5}{24} a A x \left (a+b x^2\right )^{3/2}+\frac{B \left (a+b x^2\right )^{7/2}}{7 b} \]
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Rubi [A] time = 0.0369465, antiderivative size = 107, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 4, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.235, Rules used = {641, 195, 217, 206} \[ \frac{5}{16} a^2 A x \sqrt{a+b x^2}+\frac{5 a^3 A \tanh ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a+b x^2}}\right )}{16 \sqrt{b}}+\frac{1}{6} A x \left (a+b x^2\right )^{5/2}+\frac{5}{24} a A x \left (a+b x^2\right )^{3/2}+\frac{B \left (a+b x^2\right )^{7/2}}{7 b} \]
Antiderivative was successfully verified.
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Rule 641
Rule 195
Rule 217
Rule 206
Rubi steps
\begin{align*} \int (A+B x) \left (a+b x^2\right )^{5/2} \, dx &=\frac{B \left (a+b x^2\right )^{7/2}}{7 b}+A \int \left (a+b x^2\right )^{5/2} \, dx\\ &=\frac{1}{6} A x \left (a+b x^2\right )^{5/2}+\frac{B \left (a+b x^2\right )^{7/2}}{7 b}+\frac{1}{6} (5 a A) \int \left (a+b x^2\right )^{3/2} \, dx\\ &=\frac{5}{24} a A x \left (a+b x^2\right )^{3/2}+\frac{1}{6} A x \left (a+b x^2\right )^{5/2}+\frac{B \left (a+b x^2\right )^{7/2}}{7 b}+\frac{1}{8} \left (5 a^2 A\right ) \int \sqrt{a+b x^2} \, dx\\ &=\frac{5}{16} a^2 A x \sqrt{a+b x^2}+\frac{5}{24} a A x \left (a+b x^2\right )^{3/2}+\frac{1}{6} A x \left (a+b x^2\right )^{5/2}+\frac{B \left (a+b x^2\right )^{7/2}}{7 b}+\frac{1}{16} \left (5 a^3 A\right ) \int \frac{1}{\sqrt{a+b x^2}} \, dx\\ &=\frac{5}{16} a^2 A x \sqrt{a+b x^2}+\frac{5}{24} a A x \left (a+b x^2\right )^{3/2}+\frac{1}{6} A x \left (a+b x^2\right )^{5/2}+\frac{B \left (a+b x^2\right )^{7/2}}{7 b}+\frac{1}{16} \left (5 a^3 A\right ) \operatorname{Subst}\left (\int \frac{1}{1-b x^2} \, dx,x,\frac{x}{\sqrt{a+b x^2}}\right )\\ &=\frac{5}{16} a^2 A x \sqrt{a+b x^2}+\frac{5}{24} a A x \left (a+b x^2\right )^{3/2}+\frac{1}{6} A x \left (a+b x^2\right )^{5/2}+\frac{B \left (a+b x^2\right )^{7/2}}{7 b}+\frac{5 a^3 A \tanh ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a+b x^2}}\right )}{16 \sqrt{b}}\\ \end{align*}
Mathematica [A] time = 0.0805573, size = 108, normalized size = 1.01 \[ \frac{\sqrt{a+b x^2} \left (3 a^2 b x (77 A+48 B x)+48 a^3 B+2 a b^2 x^3 (91 A+72 B x)+8 b^3 x^5 (7 A+6 B x)\right )+105 a^3 A \sqrt{b} \log \left (\sqrt{b} \sqrt{a+b x^2}+b x\right )}{336 b} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.005, size = 85, normalized size = 0.8 \begin{align*}{\frac{B}{7\,b} \left ( b{x}^{2}+a \right ) ^{{\frac{7}{2}}}}+{\frac{Ax}{6} \left ( b{x}^{2}+a \right ) ^{{\frac{5}{2}}}}+{\frac{5\,aAx}{24} \left ( b{x}^{2}+a \right ) ^{{\frac{3}{2}}}}+{\frac{5\,{a}^{2}Ax}{16}\sqrt{b{x}^{2}+a}}+{\frac{5\,A{a}^{3}}{16}\ln \left ( x\sqrt{b}+\sqrt{b{x}^{2}+a} \right ){\frac{1}{\sqrt{b}}}} \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 = 1.58966, size = 549, normalized size = 5.13 \begin{align*} \left [\frac{105 \, A a^{3} \sqrt{b} \log \left (-2 \, b x^{2} - 2 \, \sqrt{b x^{2} + a} \sqrt{b} x - a\right ) + 2 \,{\left (48 \, B b^{3} x^{6} + 56 \, A b^{3} x^{5} + 144 \, B a b^{2} x^{4} + 182 \, A a b^{2} x^{3} + 144 \, B a^{2} b x^{2} + 231 \, A a^{2} b x + 48 \, B a^{3}\right )} \sqrt{b x^{2} + a}}{672 \, b}, -\frac{105 \, A a^{3} \sqrt{-b} \arctan \left (\frac{\sqrt{-b} x}{\sqrt{b x^{2} + a}}\right ) -{\left (48 \, B b^{3} x^{6} + 56 \, A b^{3} x^{5} + 144 \, B a b^{2} x^{4} + 182 \, A a b^{2} x^{3} + 144 \, B a^{2} b x^{2} + 231 \, A a^{2} b x + 48 \, B a^{3}\right )} \sqrt{b x^{2} + a}}{336 \, b}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 12.5701, size = 348, normalized size = 3.25 \begin{align*} \frac{A a^{\frac{5}{2}} x \sqrt{1 + \frac{b x^{2}}{a}}}{2} + \frac{3 A a^{\frac{5}{2}} x}{16 \sqrt{1 + \frac{b x^{2}}{a}}} + \frac{35 A a^{\frac{3}{2}} b x^{3}}{48 \sqrt{1 + \frac{b x^{2}}{a}}} + \frac{17 A \sqrt{a} b^{2} x^{5}}{24 \sqrt{1 + \frac{b x^{2}}{a}}} + \frac{5 A a^{3} \operatorname{asinh}{\left (\frac{\sqrt{b} x}{\sqrt{a}} \right )}}{16 \sqrt{b}} + \frac{A b^{3} x^{7}}{6 \sqrt{a} \sqrt{1 + \frac{b x^{2}}{a}}} + B a^{2} \left (\begin{cases} \frac{\sqrt{a} x^{2}}{2} & \text{for}\: b = 0 \\\frac{\left (a + b x^{2}\right )^{\frac{3}{2}}}{3 b} & \text{otherwise} \end{cases}\right ) + 2 B a b \left (\begin{cases} - \frac{2 a^{2} \sqrt{a + b x^{2}}}{15 b^{2}} + \frac{a x^{2} \sqrt{a + b x^{2}}}{15 b} + \frac{x^{4} \sqrt{a + b x^{2}}}{5} & \text{for}\: b \neq 0 \\\frac{\sqrt{a} x^{4}}{4} & \text{otherwise} \end{cases}\right ) + B b^{2} \left (\begin{cases} \frac{8 a^{3} \sqrt{a + b x^{2}}}{105 b^{3}} - \frac{4 a^{2} x^{2} \sqrt{a + b x^{2}}}{105 b^{2}} + \frac{a x^{4} \sqrt{a + b x^{2}}}{35 b} + \frac{x^{6} \sqrt{a + b x^{2}}}{7} & \text{for}\: b \neq 0 \\\frac{\sqrt{a} x^{6}}{6} & \text{otherwise} \end{cases}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.21431, size = 136, normalized size = 1.27 \begin{align*} -\frac{5 \, A a^{3} \log \left ({\left | -\sqrt{b} x + \sqrt{b x^{2} + a} \right |}\right )}{16 \, \sqrt{b}} + \frac{1}{336} \,{\left (\frac{48 \, B a^{3}}{b} +{\left (231 \, A a^{2} + 2 \,{\left (72 \, B a^{2} +{\left (91 \, A a b + 4 \,{\left (18 \, B a b +{\left (6 \, B b^{2} x + 7 \, A b^{2}\right )} x\right )} x\right )} x\right )} x\right )} x\right )} \sqrt{b x^{2} + a} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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