Optimal. Leaf size=122 \[ \frac {35 a^2 \tanh ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a x+b x^2}}\right )}{4 b^{9/2}}-\frac {35 a \sqrt {a x+b x^2}}{4 b^4}+\frac {35 x \sqrt {a x+b x^2}}{6 b^3}-\frac {14 x^3}{3 b^2 \sqrt {a x+b x^2}}-\frac {2 x^5}{3 b \left (a x+b x^2\right )^{3/2}} \]
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Rubi [A] time = 0.06, antiderivative size = 122, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.294, Rules used = {668, 670, 640, 620, 206} \[ \frac {35 a^2 \tanh ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a x+b x^2}}\right )}{4 b^{9/2}}-\frac {14 x^3}{3 b^2 \sqrt {a x+b x^2}}+\frac {35 x \sqrt {a x+b x^2}}{6 b^3}-\frac {35 a \sqrt {a x+b x^2}}{4 b^4}-\frac {2 x^5}{3 b \left (a x+b x^2\right )^{3/2}} \]
Antiderivative was successfully verified.
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Rule 206
Rule 620
Rule 640
Rule 668
Rule 670
Rubi steps
\begin {align*} \int \frac {x^6}{\left (a x+b x^2\right )^{5/2}} \, dx &=-\frac {2 x^5}{3 b \left (a x+b x^2\right )^{3/2}}+\frac {7 \int \frac {x^4}{\left (a x+b x^2\right )^{3/2}} \, dx}{3 b}\\ &=-\frac {2 x^5}{3 b \left (a x+b x^2\right )^{3/2}}-\frac {14 x^3}{3 b^2 \sqrt {a x+b x^2}}+\frac {35 \int \frac {x^2}{\sqrt {a x+b x^2}} \, dx}{3 b^2}\\ &=-\frac {2 x^5}{3 b \left (a x+b x^2\right )^{3/2}}-\frac {14 x^3}{3 b^2 \sqrt {a x+b x^2}}+\frac {35 x \sqrt {a x+b x^2}}{6 b^3}-\frac {(35 a) \int \frac {x}{\sqrt {a x+b x^2}} \, dx}{4 b^3}\\ &=-\frac {2 x^5}{3 b \left (a x+b x^2\right )^{3/2}}-\frac {14 x^3}{3 b^2 \sqrt {a x+b x^2}}-\frac {35 a \sqrt {a x+b x^2}}{4 b^4}+\frac {35 x \sqrt {a x+b x^2}}{6 b^3}+\frac {\left (35 a^2\right ) \int \frac {1}{\sqrt {a x+b x^2}} \, dx}{8 b^4}\\ &=-\frac {2 x^5}{3 b \left (a x+b x^2\right )^{3/2}}-\frac {14 x^3}{3 b^2 \sqrt {a x+b x^2}}-\frac {35 a \sqrt {a x+b x^2}}{4 b^4}+\frac {35 x \sqrt {a x+b x^2}}{6 b^3}+\frac {\left (35 a^2\right ) \operatorname {Subst}\left (\int \frac {1}{1-b x^2} \, dx,x,\frac {x}{\sqrt {a x+b x^2}}\right )}{4 b^4}\\ &=-\frac {2 x^5}{3 b \left (a x+b x^2\right )^{3/2}}-\frac {14 x^3}{3 b^2 \sqrt {a x+b x^2}}-\frac {35 a \sqrt {a x+b x^2}}{4 b^4}+\frac {35 x \sqrt {a x+b x^2}}{6 b^3}+\frac {35 a^2 \tanh ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a x+b x^2}}\right )}{4 b^{9/2}}\\ \end {align*}
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Mathematica [C] time = 0.01, size = 50, normalized size = 0.41 \[ \frac {2 x^5 \sqrt {\frac {b x}{a}+1} \, _2F_1\left (\frac {5}{2},\frac {9}{2};\frac {11}{2};-\frac {b x}{a}\right )}{9 a^2 \sqrt {x (a+b x)}} \]
Antiderivative was successfully verified.
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fricas [A] time = 1.08, size = 248, normalized size = 2.03 \[ \left [\frac {105 \, {\left (a^{2} b^{2} x^{2} + 2 \, a^{3} b x + a^{4}\right )} \sqrt {b} \log \left (2 \, b x + a + 2 \, \sqrt {b x^{2} + a x} \sqrt {b}\right ) + 2 \, {\left (6 \, b^{4} x^{3} - 21 \, a b^{3} x^{2} - 140 \, a^{2} b^{2} x - 105 \, a^{3} b\right )} \sqrt {b x^{2} + a x}}{24 \, {\left (b^{7} x^{2} + 2 \, a b^{6} x + a^{2} b^{5}\right )}}, -\frac {105 \, {\left (a^{2} b^{2} x^{2} + 2 \, a^{3} b x + a^{4}\right )} \sqrt {-b} \arctan \left (\frac {\sqrt {b x^{2} + a x} \sqrt {-b}}{b x}\right ) - {\left (6 \, b^{4} x^{3} - 21 \, a b^{3} x^{2} - 140 \, a^{2} b^{2} x - 105 \, a^{3} b\right )} \sqrt {b x^{2} + a x}}{12 \, {\left (b^{7} x^{2} + 2 \, a b^{6} x + a^{2} b^{5}\right )}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.27, size = 162, normalized size = 1.33 \[ \frac {1}{4} \, \sqrt {b x^{2} + a x} {\left (\frac {2 \, x}{b^{3}} - \frac {11 \, a}{b^{4}}\right )} - \frac {35 \, a^{2} \log \left ({\left | -2 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a x}\right )} \sqrt {b} - a \right |}\right )}{8 \, b^{\frac {9}{2}}} - \frac {2 \, {\left (12 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a x}\right )}^{2} a^{3} b^{\frac {3}{2}} + 21 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a x}\right )} a^{4} b + 10 \, a^{5} \sqrt {b}\right )}}{3 \, {\left ({\left (\sqrt {b} x - \sqrt {b x^{2} + a x}\right )} b + a \sqrt {b}\right )}^{3} b^{\frac {7}{2}}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.05, size = 176, normalized size = 1.44 \[ \frac {x^{5}}{2 \left (b \,x^{2}+a x \right )^{\frac {3}{2}} b}-\frac {7 a \,x^{4}}{4 \left (b \,x^{2}+a x \right )^{\frac {3}{2}} b^{2}}-\frac {35 a^{2} x^{3}}{24 \left (b \,x^{2}+a x \right )^{\frac {3}{2}} b^{3}}+\frac {35 a^{3} x^{2}}{16 \left (b \,x^{2}+a x \right )^{\frac {3}{2}} b^{4}}+\frac {35 a^{4} x}{48 \left (b \,x^{2}+a x \right )^{\frac {3}{2}} b^{5}}-\frac {245 a^{2} x}{24 \sqrt {b \,x^{2}+a x}\, b^{4}}+\frac {35 a^{2} \ln \left (\frac {b x +\frac {a}{2}}{\sqrt {b}}+\sqrt {b \,x^{2}+a x}\right )}{8 b^{\frac {9}{2}}}-\frac {35 a^{3}}{48 \sqrt {b \,x^{2}+a x}\, b^{5}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.49, size = 190, normalized size = 1.56 \[ \frac {x^{5}}{2 \, {\left (b x^{2} + a x\right )}^{\frac {3}{2}} b} - \frac {35 \, a^{2} x {\left (\frac {3 \, x^{2}}{{\left (b x^{2} + a x\right )}^{\frac {3}{2}} b} + \frac {a x}{{\left (b x^{2} + a x\right )}^{\frac {3}{2}} b^{2}} - \frac {2 \, x}{\sqrt {b x^{2} + a x} a b} - \frac {1}{\sqrt {b x^{2} + a x} b^{2}}\right )}}{24 \, b^{2}} - \frac {7 \, a x^{4}}{4 \, {\left (b x^{2} + a x\right )}^{\frac {3}{2}} b^{2}} - \frac {35 \, a^{2} x}{6 \, \sqrt {b x^{2} + a x} b^{4}} + \frac {35 \, a^{2} \log \left (2 \, b x + a + 2 \, \sqrt {b x^{2} + a x} \sqrt {b}\right )}{8 \, b^{\frac {9}{2}}} - \frac {35 \, \sqrt {b x^{2} + a x} a}{12 \, b^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {x^6}{{\left (b\,x^2+a\,x\right )}^{5/2}} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {x^{6}}{\left (x \left (a + b x\right )\right )^{\frac {5}{2}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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