Optimal. Leaf size=88 \[ -\frac{16 \sqrt{a-b x}}{3 a^3 x^{3/2}}+\frac{4}{a^2 x^{3/2} \sqrt{a-b x}}-\frac{32 b \sqrt{a-b x}}{3 a^4 \sqrt{x}}+\frac{2}{3 a x^{3/2} (a-b x)^{3/2}} \]
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Rubi [A] time = 0.0163789, antiderivative size = 88, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 2, integrand size = 16, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.125, Rules used = {45, 37} \[ -\frac{16 \sqrt{a-b x}}{3 a^3 x^{3/2}}+\frac{4}{a^2 x^{3/2} \sqrt{a-b x}}-\frac{32 b \sqrt{a-b x}}{3 a^4 \sqrt{x}}+\frac{2}{3 a x^{3/2} (a-b x)^{3/2}} \]
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)^{5/2}} \, dx &=\frac{2}{3 a x^{3/2} (a-b x)^{3/2}}+\frac{2 \int \frac{1}{x^{5/2} (a-b x)^{3/2}} \, dx}{a}\\ &=\frac{2}{3 a x^{3/2} (a-b x)^{3/2}}+\frac{4}{a^2 x^{3/2} \sqrt{a-b x}}+\frac{8 \int \frac{1}{x^{5/2} \sqrt{a-b x}} \, dx}{a^2}\\ &=\frac{2}{3 a x^{3/2} (a-b x)^{3/2}}+\frac{4}{a^2 x^{3/2} \sqrt{a-b x}}-\frac{16 \sqrt{a-b x}}{3 a^3 x^{3/2}}+\frac{(16 b) \int \frac{1}{x^{3/2} \sqrt{a-b x}} \, dx}{3 a^3}\\ &=\frac{2}{3 a x^{3/2} (a-b x)^{3/2}}+\frac{4}{a^2 x^{3/2} \sqrt{a-b x}}-\frac{16 \sqrt{a-b x}}{3 a^3 x^{3/2}}-\frac{32 b \sqrt{a-b x}}{3 a^4 \sqrt{x}}\\ \end{align*}
Mathematica [A] time = 0.0135244, size = 50, normalized size = 0.57 \[ -\frac{2 \left (6 a^2 b x+a^3-24 a b^2 x^2+16 b^3 x^3\right )}{3 a^4 x^{3/2} (a-b x)^{3/2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 45, normalized size = 0.5 \begin{align*} -{\frac{32\,{b}^{3}{x}^{3}-48\,a{b}^{2}{x}^{2}+12\,{a}^{2}bx+2\,{a}^{3}}{3\,{a}^{4}}{x}^{-{\frac{3}{2}}} \left ( -bx+a \right ) ^{-{\frac{3}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.02535, size = 92, normalized size = 1.05 \begin{align*} -\frac{2 \,{\left (\frac{9 \, \sqrt{-b x + a} b}{\sqrt{x}} + \frac{{\left (-b x + a\right )}^{\frac{3}{2}}}{x^{\frac{3}{2}}}\right )}}{3 \, a^{4}} + \frac{2 \,{\left (b^{3} - \frac{9 \,{\left (b x - a\right )} b^{2}}{x}\right )} x^{\frac{3}{2}}}{3 \,{\left (-b x + a\right )}^{\frac{3}{2}} a^{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.8497, size = 153, normalized size = 1.74 \begin{align*} -\frac{2 \,{\left (16 \, b^{3} x^{3} - 24 \, a b^{2} x^{2} + 6 \, a^{2} b x + a^{3}\right )} \sqrt{-b x + a} \sqrt{x}}{3 \,{\left (a^{4} b^{2} x^{4} - 2 \, a^{5} b x^{3} + a^{6} x^{2}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 36.5423, size = 692, normalized size = 7.86 \begin{align*} \begin{cases} \frac{2 a^{4} b^{\frac{19}{2}} \sqrt{\frac{a}{b x} - 1}}{- 3 a^{7} b^{9} x + 9 a^{6} b^{10} x^{2} - 9 a^{5} b^{11} x^{3} + 3 a^{4} b^{12} x^{4}} + \frac{10 a^{3} b^{\frac{21}{2}} x \sqrt{\frac{a}{b x} - 1}}{- 3 a^{7} b^{9} x + 9 a^{6} b^{10} x^{2} - 9 a^{5} b^{11} x^{3} + 3 a^{4} b^{12} x^{4}} - \frac{60 a^{2} b^{\frac{23}{2}} x^{2} \sqrt{\frac{a}{b x} - 1}}{- 3 a^{7} b^{9} x + 9 a^{6} b^{10} x^{2} - 9 a^{5} b^{11} x^{3} + 3 a^{4} b^{12} x^{4}} + \frac{80 a b^{\frac{25}{2}} x^{3} \sqrt{\frac{a}{b x} - 1}}{- 3 a^{7} b^{9} x + 9 a^{6} b^{10} x^{2} - 9 a^{5} b^{11} x^{3} + 3 a^{4} b^{12} x^{4}} - \frac{32 b^{\frac{27}{2}} x^{4} \sqrt{\frac{a}{b x} - 1}}{- 3 a^{7} b^{9} x + 9 a^{6} b^{10} x^{2} - 9 a^{5} b^{11} x^{3} + 3 a^{4} b^{12} x^{4}} & \text{for}\: \frac{\left |{a}\right |}{\left |{b}\right | \left |{x}\right |} > 1 \\\frac{2 i a^{4} b^{\frac{19}{2}} \sqrt{- \frac{a}{b x} + 1}}{- 3 a^{7} b^{9} x + 9 a^{6} b^{10} x^{2} - 9 a^{5} b^{11} x^{3} + 3 a^{4} b^{12} x^{4}} + \frac{10 i a^{3} b^{\frac{21}{2}} x \sqrt{- \frac{a}{b x} + 1}}{- 3 a^{7} b^{9} x + 9 a^{6} b^{10} x^{2} - 9 a^{5} b^{11} x^{3} + 3 a^{4} b^{12} x^{4}} - \frac{60 i a^{2} b^{\frac{23}{2}} x^{2} \sqrt{- \frac{a}{b x} + 1}}{- 3 a^{7} b^{9} x + 9 a^{6} b^{10} x^{2} - 9 a^{5} b^{11} x^{3} + 3 a^{4} b^{12} x^{4}} + \frac{80 i a b^{\frac{25}{2}} x^{3} \sqrt{- \frac{a}{b x} + 1}}{- 3 a^{7} b^{9} x + 9 a^{6} b^{10} x^{2} - 9 a^{5} b^{11} x^{3} + 3 a^{4} b^{12} x^{4}} - \frac{32 i b^{\frac{27}{2}} x^{4} \sqrt{- \frac{a}{b x} + 1}}{- 3 a^{7} b^{9} x + 9 a^{6} b^{10} x^{2} - 9 a^{5} b^{11} x^{3} + 3 a^{4} b^{12} x^{4}} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.15586, size = 277, normalized size = 3.15 \begin{align*} -\frac{\sqrt{-b x + a}{\left (\frac{8 \,{\left (b x - a\right )} a{\left | b \right |}}{b^{2}} + \frac{9 \, a^{2}{\left | b \right |}}{b^{2}}\right )}}{24 \,{\left ({\left (b x - a\right )} b + a b\right )}^{\frac{3}{2}}} - \frac{8 \,{\left (3 \,{\left (\sqrt{-b x + a} \sqrt{-b} - \sqrt{{\left (b x - a\right )} b + a b}\right )}^{4} \sqrt{-b} b^{3} - 9 \, a{\left (\sqrt{-b x + a} \sqrt{-b} - \sqrt{{\left (b x - a\right )} b + a b}\right )}^{2} \sqrt{-b} b^{4} + 4 \, a^{2} \sqrt{-b} b^{5}\right )}}{3 \,{\left ({\left (\sqrt{-b x + a} \sqrt{-b} - \sqrt{{\left (b x - a\right )} b + a b}\right )}^{2} - a b\right )}^{3} a^{3}{\left | b \right |}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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