Optimal. Leaf size=127 \[ \frac{\sqrt{x} (a B+A b)}{8 a^2 b^2 (a+b x)}+\frac{(a B+A b) \tan ^{-1}\left (\frac{\sqrt{b} \sqrt{x}}{\sqrt{a}}\right )}{8 a^{5/2} b^{5/2}}-\frac{\sqrt{x} (a B+A b)}{4 a b^2 (a+b x)^2}+\frac{x^{3/2} (A b-a B)}{3 a b (a+b x)^3} \]
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Rubi [A] time = 0.0570649, antiderivative size = 127, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 6, integrand size = 29, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.207, Rules used = {27, 78, 47, 51, 63, 205} \[ \frac{\sqrt{x} (a B+A b)}{8 a^2 b^2 (a+b x)}+\frac{(a B+A b) \tan ^{-1}\left (\frac{\sqrt{b} \sqrt{x}}{\sqrt{a}}\right )}{8 a^{5/2} b^{5/2}}-\frac{\sqrt{x} (a B+A b)}{4 a b^2 (a+b x)^2}+\frac{x^{3/2} (A b-a B)}{3 a b (a+b x)^3} \]
Antiderivative was successfully verified.
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Rule 27
Rule 78
Rule 47
Rule 51
Rule 63
Rule 205
Rubi steps
\begin{align*} \int \frac{\sqrt{x} (A+B x)}{\left (a^2+2 a b x+b^2 x^2\right )^2} \, dx &=\int \frac{\sqrt{x} (A+B x)}{(a+b x)^4} \, dx\\ &=\frac{(A b-a B) x^{3/2}}{3 a b (a+b x)^3}+\frac{(A b+a B) \int \frac{\sqrt{x}}{(a+b x)^3} \, dx}{2 a b}\\ &=\frac{(A b-a B) x^{3/2}}{3 a b (a+b x)^3}-\frac{(A b+a B) \sqrt{x}}{4 a b^2 (a+b x)^2}+\frac{(A b+a B) \int \frac{1}{\sqrt{x} (a+b x)^2} \, dx}{8 a b^2}\\ &=\frac{(A b-a B) x^{3/2}}{3 a b (a+b x)^3}-\frac{(A b+a B) \sqrt{x}}{4 a b^2 (a+b x)^2}+\frac{(A b+a B) \sqrt{x}}{8 a^2 b^2 (a+b x)}+\frac{(A b+a B) \int \frac{1}{\sqrt{x} (a+b x)} \, dx}{16 a^2 b^2}\\ &=\frac{(A b-a B) x^{3/2}}{3 a b (a+b x)^3}-\frac{(A b+a B) \sqrt{x}}{4 a b^2 (a+b x)^2}+\frac{(A b+a B) \sqrt{x}}{8 a^2 b^2 (a+b x)}+\frac{(A b+a B) \operatorname{Subst}\left (\int \frac{1}{a+b x^2} \, dx,x,\sqrt{x}\right )}{8 a^2 b^2}\\ &=\frac{(A b-a B) x^{3/2}}{3 a b (a+b x)^3}-\frac{(A b+a B) \sqrt{x}}{4 a b^2 (a+b x)^2}+\frac{(A b+a B) \sqrt{x}}{8 a^2 b^2 (a+b x)}+\frac{(A b+a B) \tan ^{-1}\left (\frac{\sqrt{b} \sqrt{x}}{\sqrt{a}}\right )}{8 a^{5/2} b^{5/2}}\\ \end{align*}
Mathematica [C] time = 0.0259471, size = 60, normalized size = 0.47 \[ \frac{x^{3/2} \left (\frac{3 a^3 (A b-a B)}{(a+b x)^3}+3 (a B+A b) \, _2F_1\left (\frac{3}{2},3;\frac{5}{2};-\frac{b x}{a}\right )\right )}{9 a^4 b} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.018, size = 111, normalized size = 0.9 \begin{align*} 2\,{\frac{1}{ \left ( bx+a \right ) ^{3}} \left ( 1/16\,{\frac{ \left ( Ab+aB \right ){x}^{5/2}}{{a}^{2}}}+1/6\,{\frac{ \left ( Ab-aB \right ){x}^{3/2}}{ab}}-1/16\,{\frac{ \left ( Ab+aB \right ) \sqrt{x}}{{b}^{2}}} \right ) }+{\frac{A}{8\,{a}^{2}b}\arctan \left ({b\sqrt{x}{\frac{1}{\sqrt{ab}}}} \right ){\frac{1}{\sqrt{ab}}}}+{\frac{B}{8\,a{b}^{2}}\arctan \left ({b\sqrt{x}{\frac{1}{\sqrt{ab}}}} \right ){\frac{1}{\sqrt{ab}}}} \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 = 1.89267, size = 846, normalized size = 6.66 \begin{align*} \left [-\frac{3 \,{\left (B a^{4} + A a^{3} b +{\left (B a b^{3} + A b^{4}\right )} x^{3} + 3 \,{\left (B a^{2} b^{2} + A a b^{3}\right )} x^{2} + 3 \,{\left (B a^{3} b + A a^{2} b^{2}\right )} x\right )} \sqrt{-a b} \log \left (\frac{b x - a - 2 \, \sqrt{-a b} \sqrt{x}}{b x + a}\right ) + 2 \,{\left (3 \, B a^{4} b + 3 \, A a^{3} b^{2} - 3 \,{\left (B a^{2} b^{3} + A a b^{4}\right )} x^{2} + 8 \,{\left (B a^{3} b^{2} - A a^{2} b^{3}\right )} x\right )} \sqrt{x}}{48 \,{\left (a^{3} b^{6} x^{3} + 3 \, a^{4} b^{5} x^{2} + 3 \, a^{5} b^{4} x + a^{6} b^{3}\right )}}, -\frac{3 \,{\left (B a^{4} + A a^{3} b +{\left (B a b^{3} + A b^{4}\right )} x^{3} + 3 \,{\left (B a^{2} b^{2} + A a b^{3}\right )} x^{2} + 3 \,{\left (B a^{3} b + A a^{2} b^{2}\right )} x\right )} \sqrt{a b} \arctan \left (\frac{\sqrt{a b}}{b \sqrt{x}}\right ) +{\left (3 \, B a^{4} b + 3 \, A a^{3} b^{2} - 3 \,{\left (B a^{2} b^{3} + A a b^{4}\right )} x^{2} + 8 \,{\left (B a^{3} b^{2} - A a^{2} b^{3}\right )} x\right )} \sqrt{x}}{24 \,{\left (a^{3} b^{6} x^{3} + 3 \, a^{4} b^{5} x^{2} + 3 \, a^{5} b^{4} x + a^{6} b^{3}\right )}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: TypeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.18613, size = 143, normalized size = 1.13 \begin{align*} \frac{{\left (B a + A b\right )} \arctan \left (\frac{b \sqrt{x}}{\sqrt{a b}}\right )}{8 \, \sqrt{a b} a^{2} b^{2}} + \frac{3 \, B a b^{2} x^{\frac{5}{2}} + 3 \, A b^{3} x^{\frac{5}{2}} - 8 \, B a^{2} b x^{\frac{3}{2}} + 8 \, A a b^{2} x^{\frac{3}{2}} - 3 \, B a^{3} \sqrt{x} - 3 \, A a^{2} b \sqrt{x}}{24 \,{\left (b x + a\right )}^{3} a^{2} b^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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