Optimal. Leaf size=81 \[ \frac {5 b \tan ^{-1}\left (\frac {\sqrt {b x-a}}{\sqrt {a}}\right )}{a^{7/2}}+\frac {5 b}{a^3 \sqrt {b x-a}}-\frac {5 b}{3 a^2 (b x-a)^{3/2}}+\frac {1}{a x (b x-a)^{3/2}} \]
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Rubi [A] time = 0.02, antiderivative size = 88, normalized size of antiderivative = 1.09, number of steps used = 5, number of rules used = 3, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {51, 63, 205} \[ \frac {5 \sqrt {b x-a}}{a^3 x}+\frac {10}{3 a^2 x \sqrt {b x-a}}+\frac {5 b \tan ^{-1}\left (\frac {\sqrt {b x-a}}{\sqrt {a}}\right )}{a^{7/2}}-\frac {2}{3 a x (b x-a)^{3/2}} \]
Antiderivative was successfully verified.
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Rule 51
Rule 63
Rule 205
Rubi steps
\begin {align*} \int \frac {1}{x^2 (-a+b x)^{5/2}} \, dx &=-\frac {2}{3 a x (-a+b x)^{3/2}}-\frac {5 \int \frac {1}{x^2 (-a+b x)^{3/2}} \, dx}{3 a}\\ &=-\frac {2}{3 a x (-a+b x)^{3/2}}+\frac {10}{3 a^2 x \sqrt {-a+b x}}+\frac {5 \int \frac {1}{x^2 \sqrt {-a+b x}} \, dx}{a^2}\\ &=-\frac {2}{3 a x (-a+b x)^{3/2}}+\frac {10}{3 a^2 x \sqrt {-a+b x}}+\frac {5 \sqrt {-a+b x}}{a^3 x}+\frac {(5 b) \int \frac {1}{x \sqrt {-a+b x}} \, dx}{2 a^3}\\ &=-\frac {2}{3 a x (-a+b x)^{3/2}}+\frac {10}{3 a^2 x \sqrt {-a+b x}}+\frac {5 \sqrt {-a+b x}}{a^3 x}+\frac {5 \operatorname {Subst}\left (\int \frac {1}{\frac {a}{b}+\frac {x^2}{b}} \, dx,x,\sqrt {-a+b x}\right )}{a^3}\\ &=-\frac {2}{3 a x (-a+b x)^{3/2}}+\frac {10}{3 a^2 x \sqrt {-a+b x}}+\frac {5 \sqrt {-a+b x}}{a^3 x}+\frac {5 b \tan ^{-1}\left (\frac {\sqrt {-a+b x}}{\sqrt {a}}\right )}{a^{7/2}}\\ \end {align*}
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Mathematica [C] time = 0.01, size = 36, normalized size = 0.44 \[ -\frac {2 b \, _2F_1\left (-\frac {3}{2},2;-\frac {1}{2};1-\frac {b x}{a}\right )}{3 a^2 (b x-a)^{3/2}} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.48, size = 226, normalized size = 2.79 \[ \left [-\frac {15 \, {\left (b^{3} x^{3} - 2 \, a b^{2} x^{2} + a^{2} b x\right )} \sqrt {-a} \log \left (\frac {b x - 2 \, \sqrt {b x - a} \sqrt {-a} - 2 \, a}{x}\right ) - 2 \, {\left (15 \, a b^{2} x^{2} - 20 \, a^{2} b x + 3 \, a^{3}\right )} \sqrt {b x - a}}{6 \, {\left (a^{4} b^{2} x^{3} - 2 \, a^{5} b x^{2} + a^{6} x\right )}}, \frac {15 \, {\left (b^{3} x^{3} - 2 \, a b^{2} x^{2} + a^{2} b x\right )} \sqrt {a} \arctan \left (\frac {\sqrt {b x - a}}{\sqrt {a}}\right ) + {\left (15 \, a b^{2} x^{2} - 20 \, a^{2} b x + 3 \, a^{3}\right )} \sqrt {b x - a}}{3 \, {\left (a^{4} b^{2} x^{3} - 2 \, a^{5} b x^{2} + a^{6} x\right )}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.00, size = 66, normalized size = 0.81 \[ \frac {5 \, b \arctan \left (\frac {\sqrt {b x - a}}{\sqrt {a}}\right )}{a^{\frac {7}{2}}} + \frac {2 \, {\left (6 \, {\left (b x - a\right )} b - a b\right )}}{3 \, {\left (b x - a\right )}^{\frac {3}{2}} a^{3}} + \frac {\sqrt {b x - a}}{a^{3} x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 68, normalized size = 0.84 \[ -\frac {2 b}{3 \left (b x -a \right )^{\frac {3}{2}} a^{2}}+\frac {5 b \arctan \left (\frac {\sqrt {b x -a}}{\sqrt {a}}\right )}{a^{\frac {7}{2}}}+\frac {4 b}{\sqrt {b x -a}\, a^{3}}+\frac {\sqrt {b x -a}}{a^{3} x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 2.93, size = 82, normalized size = 1.01 \[ \frac {15 \, {\left (b x - a\right )}^{2} b + 10 \, {\left (b x - a\right )} a b - 2 \, a^{2} b}{3 \, {\left ({\left (b x - a\right )}^{\frac {5}{2}} a^{3} + {\left (b x - a\right )}^{\frac {3}{2}} a^{4}\right )}} + \frac {5 \, b \arctan \left (\frac {\sqrt {b x - a}}{\sqrt {a}}\right )}{a^{\frac {7}{2}}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.12, size = 70, normalized size = 0.86 \[ \frac {1}{a\,x\,{\left (b\,x-a\right )}^{3/2}}-\frac {20\,b}{3\,a^2\,{\left (b\,x-a\right )}^{3/2}}+\frac {5\,b\,\mathrm {atan}\left (\frac {\sqrt {b\,x-a}}{\sqrt {a}}\right )}{a^{7/2}}+\frac {5\,b^2\,x}{a^3\,{\left (b\,x-a\right )}^{3/2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
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