Optimal. Leaf size=63 \[ -\frac{8 \sqrt{a+b x}}{3 a^2 x^{3/2}}+\frac{16 b \sqrt{a+b x}}{3 a^3 \sqrt{x}}+\frac{2}{a x^{3/2} \sqrt{a+b x}} \]
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Rubi [A] time = 0.0098531, antiderivative size = 63, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.133, Rules used = {45, 37} \[ -\frac{8 \sqrt{a+b x}}{3 a^2 x^{3/2}}+\frac{16 b \sqrt{a+b x}}{3 a^3 \sqrt{x}}+\frac{2}{a x^{3/2} \sqrt{a+b x}} \]
Antiderivative was successfully verified.
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Rule 45
Rule 37
Rubi steps
\begin{align*} \int \frac{1}{x^{5/2} (a+b x)^{3/2}} \, dx &=\frac{2}{a x^{3/2} \sqrt{a+b x}}+\frac{4 \int \frac{1}{x^{5/2} \sqrt{a+b x}} \, dx}{a}\\ &=\frac{2}{a x^{3/2} \sqrt{a+b x}}-\frac{8 \sqrt{a+b x}}{3 a^2 x^{3/2}}-\frac{(8 b) \int \frac{1}{x^{3/2} \sqrt{a+b x}} \, dx}{3 a^2}\\ &=\frac{2}{a x^{3/2} \sqrt{a+b x}}-\frac{8 \sqrt{a+b x}}{3 a^2 x^{3/2}}+\frac{16 b \sqrt{a+b x}}{3 a^3 \sqrt{x}}\\ \end{align*}
Mathematica [A] time = 0.0094522, size = 38, normalized size = 0.6 \[ -\frac{2 \left (a^2-4 a b x-8 b^2 x^2\right )}{3 a^3 x^{3/2} \sqrt{a+b x}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.005, size = 33, normalized size = 0.5 \begin{align*} -{\frac{-16\,{b}^{2}{x}^{2}-8\,abx+2\,{a}^{2}}{3\,{a}^{3}}{x}^{-{\frac{3}{2}}}{\frac{1}{\sqrt{bx+a}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.16904, size = 68, normalized size = 1.08 \begin{align*} \frac{2 \, b^{2} \sqrt{x}}{\sqrt{b x + a} a^{3}} + \frac{2 \,{\left (\frac{6 \, \sqrt{b x + a} b}{\sqrt{x}} - \frac{{\left (b x + a\right )}^{\frac{3}{2}}}{x^{\frac{3}{2}}}\right )}}{3 \, a^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.11559, size = 104, normalized size = 1.65 \begin{align*} \frac{2 \,{\left (8 \, b^{2} x^{2} + 4 \, a b x - a^{2}\right )} \sqrt{b x + a} \sqrt{x}}{3 \,{\left (a^{3} b x^{3} + a^{4} x^{2}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 16.9072, size = 219, normalized size = 3.48 \begin{align*} - \frac{2 a^{3} b^{\frac{9}{2}} \sqrt{\frac{a}{b x} + 1}}{3 a^{5} b^{4} x + 6 a^{4} b^{5} x^{2} + 3 a^{3} b^{6} x^{3}} + \frac{6 a^{2} b^{\frac{11}{2}} x \sqrt{\frac{a}{b x} + 1}}{3 a^{5} b^{4} x + 6 a^{4} b^{5} x^{2} + 3 a^{3} b^{6} x^{3}} + \frac{24 a b^{\frac{13}{2}} x^{2} \sqrt{\frac{a}{b x} + 1}}{3 a^{5} b^{4} x + 6 a^{4} b^{5} x^{2} + 3 a^{3} b^{6} x^{3}} + \frac{16 b^{\frac{15}{2}} x^{3} \sqrt{\frac{a}{b x} + 1}}{3 a^{5} b^{4} x + 6 a^{4} b^{5} x^{2} + 3 a^{3} b^{6} x^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.09024, size = 126, normalized size = 2. \begin{align*} -\frac{\sqrt{b x + a}{\left (\frac{5 \,{\left (b x + a\right )}{\left | b \right |}}{b^{2}} - \frac{6 \, a{\left | b \right |}}{b^{2}}\right )}}{24 \,{\left ({\left (b x + a\right )} b - a b\right )}^{\frac{3}{2}}} + \frac{4 \, b^{\frac{7}{2}}}{{\left ({\left (\sqrt{b x + a} \sqrt{b} - \sqrt{{\left (b x + a\right )} b - a b}\right )}^{2} + a b\right )} a^{2}{\left | b \right |}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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