Optimal. Leaf size=84 \[ -\frac {15 \sqrt {a} \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}}\right )}{4 b^{7/2}}+\frac {5 x^{3/2}}{4 b^2 (a-b x)}-\frac {x^{5/2}}{2 b (a-b x)^2}+\frac {15 \sqrt {x}}{4 b^3} \]
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Rubi [A] time = 0.03, antiderivative size = 84, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.267, Rules used = {47, 50, 63, 208} \[ \frac {5 x^{3/2}}{4 b^2 (a-b x)}-\frac {15 \sqrt {a} \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}}\right )}{4 b^{7/2}}-\frac {x^{5/2}}{2 b (a-b x)^2}+\frac {15 \sqrt {x}}{4 b^3} \]
Antiderivative was successfully verified.
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Rule 47
Rule 50
Rule 63
Rule 208
Rubi steps
\begin {align*} \int \frac {x^{5/2}}{(-a+b x)^3} \, dx &=-\frac {x^{5/2}}{2 b (a-b x)^2}+\frac {5 \int \frac {x^{3/2}}{(-a+b x)^2} \, dx}{4 b}\\ &=-\frac {x^{5/2}}{2 b (a-b x)^2}+\frac {5 x^{3/2}}{4 b^2 (a-b x)}+\frac {15 \int \frac {\sqrt {x}}{-a+b x} \, dx}{8 b^2}\\ &=\frac {15 \sqrt {x}}{4 b^3}-\frac {x^{5/2}}{2 b (a-b x)^2}+\frac {5 x^{3/2}}{4 b^2 (a-b x)}+\frac {(15 a) \int \frac {1}{\sqrt {x} (-a+b x)} \, dx}{8 b^3}\\ &=\frac {15 \sqrt {x}}{4 b^3}-\frac {x^{5/2}}{2 b (a-b x)^2}+\frac {5 x^{3/2}}{4 b^2 (a-b x)}+\frac {(15 a) \operatorname {Subst}\left (\int \frac {1}{-a+b x^2} \, dx,x,\sqrt {x}\right )}{4 b^3}\\ &=\frac {15 \sqrt {x}}{4 b^3}-\frac {x^{5/2}}{2 b (a-b x)^2}+\frac {5 x^{3/2}}{4 b^2 (a-b x)}-\frac {15 \sqrt {a} \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}}\right )}{4 b^{7/2}}\\ \end {align*}
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Mathematica [C] time = 0.00, size = 26, normalized size = 0.31 \[ -\frac {2 x^{7/2} \, _2F_1\left (3,\frac {7}{2};\frac {9}{2};\frac {b x}{a}\right )}{7 a^3} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.48, size = 199, normalized size = 2.37 \[ \left [\frac {15 \, {\left (b^{2} x^{2} - 2 \, a b x + a^{2}\right )} \sqrt {\frac {a}{b}} \log \left (\frac {b x - 2 \, b \sqrt {x} \sqrt {\frac {a}{b}} + a}{b x - a}\right ) + 2 \, {\left (8 \, b^{2} x^{2} - 25 \, a b x + 15 \, a^{2}\right )} \sqrt {x}}{8 \, {\left (b^{5} x^{2} - 2 \, a b^{4} x + a^{2} b^{3}\right )}}, \frac {15 \, {\left (b^{2} x^{2} - 2 \, a b x + a^{2}\right )} \sqrt {-\frac {a}{b}} \arctan \left (\frac {b \sqrt {x} \sqrt {-\frac {a}{b}}}{a}\right ) + {\left (8 \, b^{2} x^{2} - 25 \, a b x + 15 \, a^{2}\right )} \sqrt {x}}{4 \, {\left (b^{5} x^{2} - 2 \, a b^{4} x + a^{2} b^{3}\right )}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.95, size = 63, normalized size = 0.75 \[ \frac {15 \, a \arctan \left (\frac {b \sqrt {x}}{\sqrt {-a b}}\right )}{4 \, \sqrt {-a b} b^{3}} + \frac {2 \, \sqrt {x}}{b^{3}} - \frac {9 \, a b x^{\frac {3}{2}} - 7 \, a^{2} \sqrt {x}}{4 \, {\left (b x - a\right )}^{2} b^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 58, normalized size = 0.69 \[ \frac {2 \left (-\frac {15 \arctanh \left (\frac {b \sqrt {x}}{\sqrt {a b}}\right )}{8 \sqrt {a b}}+\frac {-\frac {9 b \,x^{\frac {3}{2}}}{8}+\frac {7 a \sqrt {x}}{8}}{\left (b x -a \right )^{2}}\right ) a}{b^{3}}+\frac {2 \sqrt {x}}{b^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 3.00, size = 90, normalized size = 1.07 \[ -\frac {9 \, a b x^{\frac {3}{2}} - 7 \, a^{2} \sqrt {x}}{4 \, {\left (b^{5} x^{2} - 2 \, a b^{4} x + a^{2} b^{3}\right )}} + \frac {15 \, a \log \left (\frac {b \sqrt {x} - \sqrt {a b}}{b \sqrt {x} + \sqrt {a b}}\right )}{8 \, \sqrt {a b} b^{3}} + \frac {2 \, \sqrt {x}}{b^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.06, size = 69, normalized size = 0.82 \[ \frac {\frac {7\,a^2\,\sqrt {x}}{4}-\frac {9\,a\,b\,x^{3/2}}{4}}{a^2\,b^3-2\,a\,b^4\,x+b^5\,x^2}+\frac {2\,\sqrt {x}}{b^3}-\frac {15\,\sqrt {a}\,\mathrm {atanh}\left (\frac {\sqrt {b}\,\sqrt {x}}{\sqrt {a}}\right )}{4\,b^{7/2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 53.45, size = 756, normalized size = 9.00 \[ \begin {cases} \tilde {\infty } \sqrt {x} & \text {for}\: a = 0 \wedge b = 0 \\\frac {2 \sqrt {x}}{b^{3}} & \text {for}\: a = 0 \\- \frac {2 x^{\frac {7}{2}}}{7 a^{3}} & \text {for}\: b = 0 \\\frac {30 a^{\frac {5}{2}} b \sqrt {x} \sqrt {\frac {1}{b}}}{8 a^{\frac {5}{2}} b^{4} \sqrt {\frac {1}{b}} - 16 a^{\frac {3}{2}} b^{5} x \sqrt {\frac {1}{b}} + 8 \sqrt {a} b^{6} x^{2} \sqrt {\frac {1}{b}}} - \frac {50 a^{\frac {3}{2}} b^{2} x^{\frac {3}{2}} \sqrt {\frac {1}{b}}}{8 a^{\frac {5}{2}} b^{4} \sqrt {\frac {1}{b}} - 16 a^{\frac {3}{2}} b^{5} x \sqrt {\frac {1}{b}} + 8 \sqrt {a} b^{6} x^{2} \sqrt {\frac {1}{b}}} + \frac {16 \sqrt {a} b^{3} x^{\frac {5}{2}} \sqrt {\frac {1}{b}}}{8 a^{\frac {5}{2}} b^{4} \sqrt {\frac {1}{b}} - 16 a^{\frac {3}{2}} b^{5} x \sqrt {\frac {1}{b}} + 8 \sqrt {a} b^{6} x^{2} \sqrt {\frac {1}{b}}} + \frac {15 a^{3} \log {\left (- \sqrt {a} \sqrt {\frac {1}{b}} + \sqrt {x} \right )}}{8 a^{\frac {5}{2}} b^{4} \sqrt {\frac {1}{b}} - 16 a^{\frac {3}{2}} b^{5} x \sqrt {\frac {1}{b}} + 8 \sqrt {a} b^{6} x^{2} \sqrt {\frac {1}{b}}} - \frac {15 a^{3} \log {\left (\sqrt {a} \sqrt {\frac {1}{b}} + \sqrt {x} \right )}}{8 a^{\frac {5}{2}} b^{4} \sqrt {\frac {1}{b}} - 16 a^{\frac {3}{2}} b^{5} x \sqrt {\frac {1}{b}} + 8 \sqrt {a} b^{6} x^{2} \sqrt {\frac {1}{b}}} - \frac {30 a^{2} b x \log {\left (- \sqrt {a} \sqrt {\frac {1}{b}} + \sqrt {x} \right )}}{8 a^{\frac {5}{2}} b^{4} \sqrt {\frac {1}{b}} - 16 a^{\frac {3}{2}} b^{5} x \sqrt {\frac {1}{b}} + 8 \sqrt {a} b^{6} x^{2} \sqrt {\frac {1}{b}}} + \frac {30 a^{2} b x \log {\left (\sqrt {a} \sqrt {\frac {1}{b}} + \sqrt {x} \right )}}{8 a^{\frac {5}{2}} b^{4} \sqrt {\frac {1}{b}} - 16 a^{\frac {3}{2}} b^{5} x \sqrt {\frac {1}{b}} + 8 \sqrt {a} b^{6} x^{2} \sqrt {\frac {1}{b}}} + \frac {15 a b^{2} x^{2} \log {\left (- \sqrt {a} \sqrt {\frac {1}{b}} + \sqrt {x} \right )}}{8 a^{\frac {5}{2}} b^{4} \sqrt {\frac {1}{b}} - 16 a^{\frac {3}{2}} b^{5} x \sqrt {\frac {1}{b}} + 8 \sqrt {a} b^{6} x^{2} \sqrt {\frac {1}{b}}} - \frac {15 a b^{2} x^{2} \log {\left (\sqrt {a} \sqrt {\frac {1}{b}} + \sqrt {x} \right )}}{8 a^{\frac {5}{2}} b^{4} \sqrt {\frac {1}{b}} - 16 a^{\frac {3}{2}} b^{5} x \sqrt {\frac {1}{b}} + 8 \sqrt {a} b^{6} x^{2} \sqrt {\frac {1}{b}}} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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