Optimal. Leaf size=138 \[ -\frac{3 b d \sqrt{\frac{a c+a d x^2+b}{c+d x^2}}}{2 c^2}+\frac{3 b d \sqrt{a c+b} \tanh ^{-1}\left (\frac{\sqrt{c} \sqrt{\frac{a c+a d x^2+b}{c+d x^2}}}{\sqrt{a c+b}}\right )}{2 c^{5/2}}-\frac{\left (c+d x^2\right ) \left (\frac{a c+a d x^2+b}{c+d x^2}\right )^{3/2}}{2 c x^2} \]
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Rubi [A] time = 0.525602, antiderivative size = 170, normalized size of antiderivative = 1.23, number of steps used = 7, number of rules used = 6, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.286, Rules used = {6722, 1975, 446, 94, 93, 208} \[ -\frac{3 b d \sqrt{a+\frac{b}{c+d x^2}}}{2 c^2}+\frac{3 b d \sqrt{a c+b} \sqrt{c+d x^2} \sqrt{a+\frac{b}{c+d x^2}} \tanh ^{-1}\left (\frac{\sqrt{a c+b} \sqrt{c+d x^2}}{\sqrt{c} \sqrt{a \left (c+d x^2\right )+b}}\right )}{2 c^{5/2} \sqrt{a \left (c+d x^2\right )+b}}-\frac{\sqrt{a+\frac{b}{c+d x^2}} \left (a \left (c+d x^2\right )+b\right )}{2 c x^2} \]
Antiderivative was successfully verified.
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Rule 6722
Rule 1975
Rule 446
Rule 94
Rule 93
Rule 208
Rubi steps
\begin{align*} \int \frac{\left (a+\frac{b}{c+d x^2}\right )^{3/2}}{x^3} \, dx &=\frac{\left (\sqrt{c+d x^2} \sqrt{a+\frac{b}{c+d x^2}}\right ) \int \frac{\left (b+a \left (c+d x^2\right )\right )^{3/2}}{x^3 \left (c+d x^2\right )^{3/2}} \, dx}{\sqrt{b+a \left (c+d x^2\right )}}\\ &=\frac{\left (\sqrt{c+d x^2} \sqrt{a+\frac{b}{c+d x^2}}\right ) \int \frac{\left (b+a c+a d x^2\right )^{3/2}}{x^3 \left (c+d x^2\right )^{3/2}} \, dx}{\sqrt{b+a \left (c+d x^2\right )}}\\ &=\frac{\left (\sqrt{c+d x^2} \sqrt{a+\frac{b}{c+d x^2}}\right ) \operatorname{Subst}\left (\int \frac{(b+a c+a d x)^{3/2}}{x^2 (c+d x)^{3/2}} \, dx,x,x^2\right )}{2 \sqrt{b+a \left (c+d x^2\right )}}\\ &=-\frac{\sqrt{a+\frac{b}{c+d x^2}} \left (b+a \left (c+d x^2\right )\right )}{2 c x^2}-\frac{\left (3 b d \sqrt{c+d x^2} \sqrt{a+\frac{b}{c+d x^2}}\right ) \operatorname{Subst}\left (\int \frac{\sqrt{b+a c+a d x}}{x (c+d x)^{3/2}} \, dx,x,x^2\right )}{4 c \sqrt{b+a \left (c+d x^2\right )}}\\ &=-\frac{3 b d \sqrt{a+\frac{b}{c+d x^2}}}{2 c^2}-\frac{\sqrt{a+\frac{b}{c+d x^2}} \left (b+a \left (c+d x^2\right )\right )}{2 c x^2}-\frac{\left (3 b (b+a c) d \sqrt{c+d x^2} \sqrt{a+\frac{b}{c+d x^2}}\right ) \operatorname{Subst}\left (\int \frac{1}{x \sqrt{c+d x} \sqrt{b+a c+a d x}} \, dx,x,x^2\right )}{4 c^2 \sqrt{b+a \left (c+d x^2\right )}}\\ &=-\frac{3 b d \sqrt{a+\frac{b}{c+d x^2}}}{2 c^2}-\frac{\sqrt{a+\frac{b}{c+d x^2}} \left (b+a \left (c+d x^2\right )\right )}{2 c x^2}-\frac{\left (3 b (b+a c) d \sqrt{c+d x^2} \sqrt{a+\frac{b}{c+d x^2}}\right ) \operatorname{Subst}\left (\int \frac{1}{-c-(-b-a c) x^2} \, dx,x,\frac{\sqrt{c+d x^2}}{\sqrt{b+a \left (c+d x^2\right )}}\right )}{2 c^2 \sqrt{b+a \left (c+d x^2\right )}}\\ &=-\frac{3 b d \sqrt{a+\frac{b}{c+d x^2}}}{2 c^2}-\frac{\sqrt{a+\frac{b}{c+d x^2}} \left (b+a \left (c+d x^2\right )\right )}{2 c x^2}+\frac{3 b \sqrt{b+a c} d \sqrt{c+d x^2} \sqrt{a+\frac{b}{c+d x^2}} \tanh ^{-1}\left (\frac{\sqrt{b+a c} \sqrt{c+d x^2}}{\sqrt{c} \sqrt{b+a \left (c+d x^2\right )}}\right )}{2 c^{5/2} \sqrt{b+a \left (c+d x^2\right )}}\\ \end{align*}
Mathematica [A] time = 0.422294, size = 165, normalized size = 1.2 \[ \frac{\sqrt{\frac{a c+a d x^2+b}{c+d x^2}} \left (3 b d x^2 \sqrt{a c+b} \sqrt{c+d x^2} \tanh ^{-1}\left (\frac{\sqrt{a c+b} \sqrt{c+d x^2}}{\sqrt{c} \sqrt{a c+a d x^2+b}}\right )-\sqrt{c} \sqrt{a \left (c+d x^2\right )+b} \left (a c \left (c+d x^2\right )+b \left (c+3 d x^2\right )\right )\right )}{2 c^{5/2} x^2 \sqrt{a \left (c+d x^2\right )+b}} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.014, size = 820, normalized size = 5.9 \begin{align*} -{\frac{1}{4\,{x}^{2}{c}^{3}}\sqrt{{\frac{ad{x}^{2}+ac+b}{d{x}^{2}+c}}} \left ( -2\,\sqrt{a{d}^{2}{x}^{4}+2\,acd{x}^{2}+bd{x}^{2}+{c}^{2}a+bc}\sqrt{{c}^{2}a+bc}{x}^{6}a{d}^{3}-3\,\ln \left ({\frac{2\,acd{x}^{2}+bd{x}^{2}+2\,{c}^{2}a+2\,\sqrt{{c}^{2}a+bc}\sqrt{a{d}^{2}{x}^{4}+2\,acd{x}^{2}+bd{x}^{2}+{c}^{2}a+bc}+2\,bc}{{x}^{2}}} \right ){x}^{4}ab{c}^{2}{d}^{2}-6\,\sqrt{a{d}^{2}{x}^{4}+2\,acd{x}^{2}+bd{x}^{2}+{c}^{2}a+bc}\sqrt{{c}^{2}a+bc}{x}^{4}ac{d}^{2}-3\,\ln \left ({\frac{2\,acd{x}^{2}+bd{x}^{2}+2\,{c}^{2}a+2\,\sqrt{{c}^{2}a+bc}\sqrt{a{d}^{2}{x}^{4}+2\,acd{x}^{2}+bd{x}^{2}+{c}^{2}a+bc}+2\,bc}{{x}^{2}}} \right ){x}^{4}{b}^{2}c{d}^{2}-2\,\sqrt{a{d}^{2}{x}^{4}+2\,acd{x}^{2}+bd{x}^{2}+{c}^{2}a+bc}\sqrt{{c}^{2}a+bc}{x}^{4}b{d}^{2}-3\,\ln \left ({\frac{2\,acd{x}^{2}+bd{x}^{2}+2\,{c}^{2}a+2\,\sqrt{{c}^{2}a+bc}\sqrt{a{d}^{2}{x}^{4}+2\,acd{x}^{2}+bd{x}^{2}+{c}^{2}a+bc}+2\,bc}{{x}^{2}}} \right ){x}^{2}ab{c}^{3}d-4\,\sqrt{a{d}^{2}{x}^{4}+2\,acd{x}^{2}+bd{x}^{2}+{c}^{2}a+bc}\sqrt{{c}^{2}a+bc}{x}^{2}a{c}^{2}d-3\,\ln \left ({\frac{2\,acd{x}^{2}+bd{x}^{2}+2\,{c}^{2}a+2\,\sqrt{{c}^{2}a+bc}\sqrt{a{d}^{2}{x}^{4}+2\,acd{x}^{2}+bd{x}^{2}+{c}^{2}a+bc}+2\,bc}{{x}^{2}}} \right ){x}^{2}{b}^{2}{c}^{2}d+2\, \left ( a{d}^{2}{x}^{4}+2\,acd{x}^{2}+bd{x}^{2}+{c}^{2}a+bc \right ) ^{3/2}\sqrt{{c}^{2}a+bc}{x}^{2}d-2\,\sqrt{a{d}^{2}{x}^{4}+2\,acd{x}^{2}+bd{x}^{2}+{c}^{2}a+bc}\sqrt{{c}^{2}a+bc}{x}^{2}bcd+4\,\sqrt{{c}^{2}a+bc}\sqrt{ \left ( d{x}^{2}+c \right ) \left ( ad{x}^{2}+ac+b \right ) }{x}^{2}bcd+2\, \left ( a{d}^{2}{x}^{4}+2\,acd{x}^{2}+bd{x}^{2}+{c}^{2}a+bc \right ) ^{3/2}\sqrt{{c}^{2}a+bc}c \right ){\frac{1}{\sqrt{{c}^{2}a+bc}}}{\frac{1}{\sqrt{ \left ( d{x}^{2}+c \right ) \left ( ad{x}^{2}+ac+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 = 2.65696, size = 895, normalized size = 6.49 \begin{align*} \left [\frac{3 \, b d x^{2} \sqrt{\frac{a c + b}{c}} \log \left (\frac{{\left (8 \, a^{2} c^{2} + 8 \, a b c + b^{2}\right )} d^{2} x^{4} + 8 \, a^{2} c^{4} + 16 \, a b c^{3} + 8 \, b^{2} c^{2} + 8 \,{\left (2 \, a^{2} c^{3} + 3 \, a b c^{2} + b^{2} c\right )} d x^{2} + 4 \,{\left ({\left (2 \, a c^{2} + b c\right )} d^{2} x^{4} + 2 \, a c^{4} + 2 \, b c^{3} +{\left (4 \, a c^{3} + 3 \, b c^{2}\right )} d x^{2}\right )} \sqrt{\frac{a d x^{2} + a c + b}{d x^{2} + c}} \sqrt{\frac{a c + b}{c}}}{x^{4}}\right ) - 4 \,{\left ({\left (a c + 3 \, b\right )} d x^{2} + a c^{2} + b c\right )} \sqrt{\frac{a d x^{2} + a c + b}{d x^{2} + c}}}{8 \, c^{2} x^{2}}, -\frac{3 \, b d x^{2} \sqrt{-\frac{a c + b}{c}} \arctan \left (\frac{{\left ({\left (2 \, a c + b\right )} d x^{2} + 2 \, a c^{2} + 2 \, b c\right )} \sqrt{\frac{a d x^{2} + a c + b}{d x^{2} + c}} \sqrt{-\frac{a c + b}{c}}}{2 \,{\left (a^{2} c^{2} +{\left (a^{2} c + a b\right )} d x^{2} + 2 \, a b c + b^{2}\right )}}\right ) + 2 \,{\left ({\left (a c + 3 \, b\right )} d x^{2} + a c^{2} + b c\right )} \sqrt{\frac{a d x^{2} + a c + b}{d x^{2} + c}}}{4 \, c^{2} x^{2}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\left (\frac{a c + a d x^{2} + b}{c + d x^{2}}\right )^{\frac{3}{2}}}{x^{3}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\left (a + \frac{b}{d x^{2} + c}\right )}^{\frac{3}{2}}}{x^{3}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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