Optimal. Leaf size=86 \[ \frac{2 \sqrt{c+d x} (b c-a d)}{b^2}-\frac{2 (b c-a d)^{3/2} \tanh ^{-1}\left (\frac{\sqrt{b} \sqrt{c+d x}}{\sqrt{b c-a d}}\right )}{b^{5/2}}+\frac{2 (c+d x)^{3/2}}{3 b} \]
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Rubi [A] time = 0.0455595, antiderivative size = 86, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.176, Rules used = {50, 63, 208} \[ \frac{2 \sqrt{c+d x} (b c-a d)}{b^2}-\frac{2 (b c-a d)^{3/2} \tanh ^{-1}\left (\frac{\sqrt{b} \sqrt{c+d x}}{\sqrt{b c-a d}}\right )}{b^{5/2}}+\frac{2 (c+d x)^{3/2}}{3 b} \]
Antiderivative was successfully verified.
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Rule 50
Rule 63
Rule 208
Rubi steps
\begin{align*} \int \frac{(c+d x)^{3/2}}{a+b x} \, dx &=\frac{2 (c+d x)^{3/2}}{3 b}+\frac{(b c-a d) \int \frac{\sqrt{c+d x}}{a+b x} \, dx}{b}\\ &=\frac{2 (b c-a d) \sqrt{c+d x}}{b^2}+\frac{2 (c+d x)^{3/2}}{3 b}+\frac{(b c-a d)^2 \int \frac{1}{(a+b x) \sqrt{c+d x}} \, dx}{b^2}\\ &=\frac{2 (b c-a d) \sqrt{c+d x}}{b^2}+\frac{2 (c+d x)^{3/2}}{3 b}+\frac{\left (2 (b c-a d)^2\right ) \operatorname{Subst}\left (\int \frac{1}{a-\frac{b c}{d}+\frac{b x^2}{d}} \, dx,x,\sqrt{c+d x}\right )}{b^2 d}\\ &=\frac{2 (b c-a d) \sqrt{c+d x}}{b^2}+\frac{2 (c+d x)^{3/2}}{3 b}-\frac{2 (b c-a d)^{3/2} \tanh ^{-1}\left (\frac{\sqrt{b} \sqrt{c+d x}}{\sqrt{b c-a d}}\right )}{b^{5/2}}\\ \end{align*}
Mathematica [A] time = 0.0716295, size = 77, normalized size = 0.9 \[ \frac{2 \sqrt{c+d x} (-3 a d+4 b c+b d x)}{3 b^2}-\frac{2 (b c-a d)^{3/2} \tanh ^{-1}\left (\frac{\sqrt{b} \sqrt{c+d x}}{\sqrt{b c-a d}}\right )}{b^{5/2}} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.006, size = 167, normalized size = 1.9 \begin{align*}{\frac{2}{3\,b} \left ( dx+c \right ) ^{{\frac{3}{2}}}}-2\,{\frac{ad\sqrt{dx+c}}{{b}^{2}}}+2\,{\frac{\sqrt{dx+c}c}{b}}+2\,{\frac{{a}^{2}{d}^{2}}{{b}^{2}\sqrt{ \left ( ad-bc \right ) b}}\arctan \left ({\frac{b\sqrt{dx+c}}{\sqrt{ \left ( ad-bc \right ) b}}} \right ) }-4\,{\frac{acd}{b\sqrt{ \left ( ad-bc \right ) b}}\arctan \left ({\frac{b\sqrt{dx+c}}{\sqrt{ \left ( ad-bc \right ) b}}} \right ) }+2\,{\frac{{c}^{2}}{\sqrt{ \left ( ad-bc \right ) b}}\arctan \left ({\frac{b\sqrt{dx+c}}{\sqrt{ \left ( ad-bc \right ) b}}} \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 = 1.8924, size = 424, normalized size = 4.93 \begin{align*} \left [-\frac{3 \,{\left (b c - a d\right )} \sqrt{\frac{b c - a d}{b}} \log \left (\frac{b d x + 2 \, b c - a d + 2 \, \sqrt{d x + c} b \sqrt{\frac{b c - a d}{b}}}{b x + a}\right ) - 2 \,{\left (b d x + 4 \, b c - 3 \, a d\right )} \sqrt{d x + c}}{3 \, b^{2}}, -\frac{2 \,{\left (3 \,{\left (b c - a d\right )} \sqrt{-\frac{b c - a d}{b}} \arctan \left (-\frac{\sqrt{d x + c} b \sqrt{-\frac{b c - a d}{b}}}{b c - a d}\right ) -{\left (b d x + 4 \, b c - 3 \, a d\right )} \sqrt{d x + c}\right )}}{3 \, b^{2}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 10.7802, size = 82, normalized size = 0.95 \begin{align*} \frac{2 \left (c + d x\right )^{\frac{3}{2}}}{3 b} + \frac{\sqrt{c + d x} \left (- 2 a d + 2 b c\right )}{b^{2}} + \frac{2 \left (a d - b c\right )^{2} \operatorname{atan}{\left (\frac{\sqrt{c + d x}}{\sqrt{\frac{a d - b c}{b}}} \right )}}{b^{3} \sqrt{\frac{a d - b c}{b}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.06591, size = 142, normalized size = 1.65 \begin{align*} \frac{2 \,{\left (b^{2} c^{2} - 2 \, a b c d + a^{2} d^{2}\right )} \arctan \left (\frac{\sqrt{d x + c} b}{\sqrt{-b^{2} c + a b d}}\right )}{\sqrt{-b^{2} c + a b d} b^{2}} + \frac{2 \,{\left ({\left (d x + c\right )}^{\frac{3}{2}} b^{2} + 3 \, \sqrt{d x + c} b^{2} c - 3 \, \sqrt{d x + c} a b d\right )}}{3 \, b^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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