Optimal. Leaf size=205 \[ \frac{b d^2 \sqrt{\frac{a c+a d x^2+b}{c+d x^2}}}{c^3}-\frac{3 b d^2 (4 a c+5 b) \tanh ^{-1}\left (\frac{\sqrt{c} \sqrt{\frac{a c+a d x^2+b}{c+d x^2}}}{\sqrt{a c+b}}\right )}{8 c^{7/2} \sqrt{a c+b}}+\frac{d (4 a c+9 b) \left (c+d x^2\right ) \sqrt{\frac{a c+a d x^2+b}{c+d x^2}}}{8 c^3 x^2}-\frac{(a c+b) \left (c+d x^2\right )^2 \sqrt{\frac{a c+a d x^2+b}{c+d x^2}}}{4 c^3 x^4} \]
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Rubi [A] time = 0.591398, antiderivative size = 260, normalized size of antiderivative = 1.27, number of steps used = 8, number of rules used = 7, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.333, Rules used = {6722, 1975, 446, 96, 94, 93, 208} \[ \frac{3 b d^2 (4 a c+5 b) \sqrt{a+\frac{b}{c+d x^2}}}{8 c^3 (a c+b)}-\frac{3 b d^2 (4 a c+5 b) \sqrt{c+d x^2} \sqrt{a+\frac{b}{c+d x^2}} \tanh ^{-1}\left (\frac{\sqrt{a c+b} \sqrt{c+d x^2}}{\sqrt{c} \sqrt{a \left (c+d x^2\right )+b}}\right )}{8 c^{7/2} \sqrt{a c+b} \sqrt{a \left (c+d x^2\right )+b}}+\frac{d (4 a c+5 b) \sqrt{a+\frac{b}{c+d x^2}} \left (a \left (c+d x^2\right )+b\right )}{8 c^2 x^2 (a c+b)}-\frac{\sqrt{a+\frac{b}{c+d x^2}} \left (a \left (c+d x^2\right )+b\right )^2}{4 c x^4 (a c+b)} \]
Antiderivative was successfully verified.
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Rule 6722
Rule 1975
Rule 446
Rule 96
Rule 94
Rule 93
Rule 208
Rubi steps
\begin{align*} \int \frac{\left (a+\frac{b}{c+d x^2}\right )^{3/2}}{x^5} \, 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^5 \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^5 \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^3 (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}{4 c (b+a c) x^4}-\frac{\left ((5 b+4 a c) d \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 )}{8 c (b+a c) \sqrt{b+a \left (c+d x^2\right )}}\\ &=\frac{(5 b+4 a c) d \sqrt{a+\frac{b}{c+d x^2}} \left (b+a \left (c+d x^2\right )\right )}{8 c^2 (b+a c) x^2}-\frac{\sqrt{a+\frac{b}{c+d x^2}} \left (b+a \left (c+d x^2\right )\right )^2}{4 c (b+a c) x^4}+\frac{\left (3 b (5 b+4 a c) d^2 \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 )}{16 c^2 (b+a c) \sqrt{b+a \left (c+d x^2\right )}}\\ &=\frac{3 b (5 b+4 a c) d^2 \sqrt{a+\frac{b}{c+d x^2}}}{8 c^3 (b+a c)}+\frac{(5 b+4 a c) d \sqrt{a+\frac{b}{c+d x^2}} \left (b+a \left (c+d x^2\right )\right )}{8 c^2 (b+a c) x^2}-\frac{\sqrt{a+\frac{b}{c+d x^2}} \left (b+a \left (c+d x^2\right )\right )^2}{4 c (b+a c) x^4}+\frac{\left (3 b (5 b+4 a c) d^2 \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 )}{16 c^3 \sqrt{b+a \left (c+d x^2\right )}}\\ &=\frac{3 b (5 b+4 a c) d^2 \sqrt{a+\frac{b}{c+d x^2}}}{8 c^3 (b+a c)}+\frac{(5 b+4 a c) d \sqrt{a+\frac{b}{c+d x^2}} \left (b+a \left (c+d x^2\right )\right )}{8 c^2 (b+a c) x^2}-\frac{\sqrt{a+\frac{b}{c+d x^2}} \left (b+a \left (c+d x^2\right )\right )^2}{4 c (b+a c) x^4}+\frac{\left (3 b (5 b+4 a c) d^2 \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 )}{8 c^3 \sqrt{b+a \left (c+d x^2\right )}}\\ &=\frac{3 b (5 b+4 a c) d^2 \sqrt{a+\frac{b}{c+d x^2}}}{8 c^3 (b+a c)}+\frac{(5 b+4 a c) d \sqrt{a+\frac{b}{c+d x^2}} \left (b+a \left (c+d x^2\right )\right )}{8 c^2 (b+a c) x^2}-\frac{\sqrt{a+\frac{b}{c+d x^2}} \left (b+a \left (c+d x^2\right )\right )^2}{4 c (b+a c) x^4}-\frac{3 b (5 b+4 a c) d^2 \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 )}{8 c^{7/2} \sqrt{b+a c} \sqrt{b+a \left (c+d x^2\right )}}\\ \end{align*}
Mathematica [A] time = 0.28848, size = 202, normalized size = 0.99 \[ -\frac{\sqrt{\frac{a c+a d x^2+b}{c+d x^2}} \left (\sqrt{c} \sqrt{a c+b} \sqrt{a \left (c+d x^2\right )+b} \left (2 a c \left (c^2-d^2 x^4\right )+b \left (2 c^2-5 c d x^2-15 d^2 x^4\right )\right )+3 b d^2 x^4 (4 a c+5 b) \sqrt{c+d x^2} \tanh ^{-1}\left (\frac{\sqrt{a c+b} \sqrt{c+d x^2}}{\sqrt{c} \sqrt{a c+a d x^2+b}}\right )\right )}{8 c^{7/2} x^4 \sqrt{a c+b} \sqrt{a \left (c+d x^2\right )+b}} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.018, size = 1653, normalized size = 8.1 \begin{align*} \text{result too large to display} \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 = 5.98366, size = 1191, normalized size = 5.81 \begin{align*} \left [\frac{3 \,{\left (4 \, a b c + 5 \, b^{2}\right )} \sqrt{a c^{2} + b c} d^{2} x^{4} \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 + b\right )} d^{2} x^{4} + 2 \, a c^{3} +{\left (4 \, a c^{2} + 3 \, b c\right )} d x^{2} + 2 \, b c^{2}\right )} \sqrt{a c^{2} + b c} \sqrt{\frac{a d x^{2} + a c + b}{d x^{2} + c}}}{x^{4}}\right ) - 4 \,{\left (2 \, a^{2} c^{5} -{\left (2 \, a^{2} c^{3} + 17 \, a b c^{2} + 15 \, b^{2} c\right )} d^{2} x^{4} + 4 \, a b c^{4} + 2 \, b^{2} c^{3} - 5 \,{\left (a b c^{3} + b^{2} c^{2}\right )} d x^{2}\right )} \sqrt{\frac{a d x^{2} + a c + b}{d x^{2} + c}}}{32 \,{\left (a c^{5} + b c^{4}\right )} x^{4}}, \frac{3 \,{\left (4 \, a b c + 5 \, b^{2}\right )} \sqrt{-a c^{2} - b c} d^{2} x^{4} \arctan \left (\frac{{\left ({\left (2 \, a c + b\right )} d x^{2} + 2 \, a c^{2} + 2 \, b c\right )} \sqrt{-a c^{2} - b c} \sqrt{\frac{a d x^{2} + a c + b}{d x^{2} + c}}}{2 \,{\left (a^{2} c^{3} + 2 \, a b c^{2} +{\left (a^{2} c^{2} + a b c\right )} d x^{2} + b^{2} c\right )}}\right ) - 2 \,{\left (2 \, a^{2} c^{5} -{\left (2 \, a^{2} c^{3} + 17 \, a b c^{2} + 15 \, b^{2} c\right )} d^{2} x^{4} + 4 \, a b c^{4} + 2 \, b^{2} c^{3} - 5 \,{\left (a b c^{3} + b^{2} c^{2}\right )} d x^{2}\right )} \sqrt{\frac{a d x^{2} + a c + b}{d x^{2} + c}}}{16 \,{\left (a c^{5} + b c^{4}\right )} x^{4}}\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^{5}}\, 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^{5}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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