Optimal. Leaf size=99 \[ \frac{2 (a+b x) (A b-a B) \tan ^{-1}\left (\frac{\sqrt{b} \sqrt{x}}{\sqrt{a}}\right )}{\sqrt{a} b^{3/2} \sqrt{a^2+2 a b x+b^2 x^2}}+\frac{2 B \sqrt{x} (a+b x)}{b \sqrt{a^2+2 a b x+b^2 x^2}} \]
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Rubi [A] time = 0.0518154, antiderivative size = 99, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 31, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.129, Rules used = {770, 80, 63, 205} \[ \frac{2 (a+b x) (A b-a B) \tan ^{-1}\left (\frac{\sqrt{b} \sqrt{x}}{\sqrt{a}}\right )}{\sqrt{a} b^{3/2} \sqrt{a^2+2 a b x+b^2 x^2}}+\frac{2 B \sqrt{x} (a+b x)}{b \sqrt{a^2+2 a b x+b^2 x^2}} \]
Antiderivative was successfully verified.
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Rule 770
Rule 80
Rule 63
Rule 205
Rubi steps
\begin{align*} \int \frac{A+B x}{\sqrt{x} \sqrt{a^2+2 a b x+b^2 x^2}} \, dx &=\frac{\left (a b+b^2 x\right ) \int \frac{A+B x}{\sqrt{x} \left (a b+b^2 x\right )} \, dx}{\sqrt{a^2+2 a b x+b^2 x^2}}\\ &=\frac{2 B \sqrt{x} (a+b x)}{b \sqrt{a^2+2 a b x+b^2 x^2}}+\frac{\left (2 \left (\frac{A b^2}{2}-\frac{a b B}{2}\right ) \left (a b+b^2 x\right )\right ) \int \frac{1}{\sqrt{x} \left (a b+b^2 x\right )} \, dx}{b^2 \sqrt{a^2+2 a b x+b^2 x^2}}\\ &=\frac{2 B \sqrt{x} (a+b x)}{b \sqrt{a^2+2 a b x+b^2 x^2}}+\frac{\left (4 \left (\frac{A b^2}{2}-\frac{a b B}{2}\right ) \left (a b+b^2 x\right )\right ) \operatorname{Subst}\left (\int \frac{1}{a b+b^2 x^2} \, dx,x,\sqrt{x}\right )}{b^2 \sqrt{a^2+2 a b x+b^2 x^2}}\\ &=\frac{2 B \sqrt{x} (a+b x)}{b \sqrt{a^2+2 a b x+b^2 x^2}}+\frac{2 (A b-a B) (a+b x) \tan ^{-1}\left (\frac{\sqrt{b} \sqrt{x}}{\sqrt{a}}\right )}{\sqrt{a} b^{3/2} \sqrt{a^2+2 a b x+b^2 x^2}}\\ \end{align*}
Mathematica [A] time = 0.0387203, size = 72, normalized size = 0.73 \[ \frac{2 (a+b x) \left ((A b-a B) \tan ^{-1}\left (\frac{\sqrt{b} \sqrt{x}}{\sqrt{a}}\right )+\sqrt{a} \sqrt{b} B \sqrt{x}\right )}{\sqrt{a} b^{3/2} \sqrt{(a+b x)^2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.007, size = 65, normalized size = 0.7 \begin{align*} 2\,{\frac{bx+a}{\sqrt{ \left ( bx+a \right ) ^{2}}b\sqrt{ab}} \left ( A\arctan \left ({\frac{\sqrt{x}b}{\sqrt{ab}}} \right ) b+B\sqrt{x}\sqrt{ab}-B\arctan \left ({\frac{\sqrt{x}b}{\sqrt{ab}}} \right ) a \right ) } \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 = 1.36796, size = 250, normalized size = 2.53 \begin{align*} \left [\frac{2 \, B a b \sqrt{x} +{\left (B a - A b\right )} \sqrt{-a b} \log \left (\frac{b x - a - 2 \, \sqrt{-a b} \sqrt{x}}{b x + a}\right )}{a b^{2}}, \frac{2 \,{\left (B a b \sqrt{x} +{\left (B a - A b\right )} \sqrt{a b} \arctan \left (\frac{\sqrt{a b}}{b \sqrt{x}}\right )\right )}}{a b^{2}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.12752, size = 77, normalized size = 0.78 \begin{align*} \frac{2 \, B \sqrt{x} \mathrm{sgn}\left (b x + a\right )}{b} - \frac{2 \,{\left (B a \mathrm{sgn}\left (b x + a\right ) - A b \mathrm{sgn}\left (b x + a\right )\right )} \arctan \left (\frac{b \sqrt{x}}{\sqrt{a b}}\right )}{\sqrt{a b} b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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