Integrand size = 26, antiderivative size = 253 \[ \int \frac {\left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}}{x^{14}} \, dx=-\frac {a^5 \sqrt {a^2+2 a b x^3+b^2 x^6}}{13 x^{13} \left (a+b x^3\right )}-\frac {a^4 b \sqrt {a^2+2 a b x^3+b^2 x^6}}{2 x^{10} \left (a+b x^3\right )}-\frac {10 a^3 b^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}{7 x^7 \left (a+b x^3\right )}-\frac {5 a^2 b^3 \sqrt {a^2+2 a b x^3+b^2 x^6}}{2 x^4 \left (a+b x^3\right )}-\frac {5 a b^4 \sqrt {a^2+2 a b x^3+b^2 x^6}}{x \left (a+b x^3\right )}+\frac {b^5 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}{2 \left (a+b x^3\right )} \]
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Time = 0.04 (sec) , antiderivative size = 253, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {1369, 276} \[ \int \frac {\left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}}{x^{14}} \, dx=\frac {b^5 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}{2 \left (a+b x^3\right )}-\frac {5 a b^4 \sqrt {a^2+2 a b x^3+b^2 x^6}}{x \left (a+b x^3\right )}-\frac {5 a^2 b^3 \sqrt {a^2+2 a b x^3+b^2 x^6}}{2 x^4 \left (a+b x^3\right )}-\frac {a^5 \sqrt {a^2+2 a b x^3+b^2 x^6}}{13 x^{13} \left (a+b x^3\right )}-\frac {a^4 b \sqrt {a^2+2 a b x^3+b^2 x^6}}{2 x^{10} \left (a+b x^3\right )}-\frac {10 a^3 b^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}{7 x^7 \left (a+b x^3\right )} \]
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Rule 276
Rule 1369
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt {a^2+2 a b x^3+b^2 x^6} \int \frac {\left (a b+b^2 x^3\right )^5}{x^{14}} \, dx}{b^4 \left (a b+b^2 x^3\right )} \\ & = \frac {\sqrt {a^2+2 a b x^3+b^2 x^6} \int \left (\frac {a^5 b^5}{x^{14}}+\frac {5 a^4 b^6}{x^{11}}+\frac {10 a^3 b^7}{x^8}+\frac {10 a^2 b^8}{x^5}+\frac {5 a b^9}{x^2}+b^{10} x\right ) \, dx}{b^4 \left (a b+b^2 x^3\right )} \\ & = -\frac {a^5 \sqrt {a^2+2 a b x^3+b^2 x^6}}{13 x^{13} \left (a+b x^3\right )}-\frac {a^4 b \sqrt {a^2+2 a b x^3+b^2 x^6}}{2 x^{10} \left (a+b x^3\right )}-\frac {10 a^3 b^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}{7 x^7 \left (a+b x^3\right )}-\frac {5 a^2 b^3 \sqrt {a^2+2 a b x^3+b^2 x^6}}{2 x^4 \left (a+b x^3\right )}-\frac {5 a b^4 \sqrt {a^2+2 a b x^3+b^2 x^6}}{x \left (a+b x^3\right )}+\frac {b^5 x^2 \sqrt {a^2+2 a b x^3+b^2 x^6}}{2 \left (a+b x^3\right )} \\ \end{align*}
Time = 1.02 (sec) , antiderivative size = 83, normalized size of antiderivative = 0.33 \[ \int \frac {\left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}}{x^{14}} \, dx=-\frac {\sqrt {\left (a+b x^3\right )^2} \left (14 a^5+91 a^4 b x^3+260 a^3 b^2 x^6+455 a^2 b^3 x^9+910 a b^4 x^{12}-91 b^5 x^{15}\right )}{182 x^{13} \left (a+b x^3\right )} \]
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Time = 17.54 (sec) , antiderivative size = 80, normalized size of antiderivative = 0.32
method | result | size |
gosper | \(-\frac {\left (-91 b^{5} x^{15}+910 a \,b^{4} x^{12}+455 a^{2} b^{3} x^{9}+260 a^{3} b^{2} x^{6}+91 a^{4} b \,x^{3}+14 a^{5}\right ) {\left (\left (b \,x^{3}+a \right )^{2}\right )}^{\frac {5}{2}}}{182 \left (b \,x^{3}+a \right )^{5} x^{13}}\) | \(80\) |
default | \(-\frac {\left (-91 b^{5} x^{15}+910 a \,b^{4} x^{12}+455 a^{2} b^{3} x^{9}+260 a^{3} b^{2} x^{6}+91 a^{4} b \,x^{3}+14 a^{5}\right ) {\left (\left (b \,x^{3}+a \right )^{2}\right )}^{\frac {5}{2}}}{182 \left (b \,x^{3}+a \right )^{5} x^{13}}\) | \(80\) |
risch | \(\frac {b^{5} x^{2} \sqrt {\left (b \,x^{3}+a \right )^{2}}}{2 b \,x^{3}+2 a}+\frac {\sqrt {\left (b \,x^{3}+a \right )^{2}}\, \left (-5 a \,b^{4} x^{12}-\frac {5}{2} a^{2} b^{3} x^{9}-\frac {10}{7} a^{3} b^{2} x^{6}-\frac {1}{2} a^{4} b \,x^{3}-\frac {1}{13} a^{5}\right )}{\left (b \,x^{3}+a \right ) x^{13}}\) | \(100\) |
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Time = 0.28 (sec) , antiderivative size = 59, normalized size of antiderivative = 0.23 \[ \int \frac {\left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}}{x^{14}} \, dx=\frac {91 \, b^{5} x^{15} - 910 \, a b^{4} x^{12} - 455 \, a^{2} b^{3} x^{9} - 260 \, a^{3} b^{2} x^{6} - 91 \, a^{4} b x^{3} - 14 \, a^{5}}{182 \, x^{13}} \]
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\[ \int \frac {\left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}}{x^{14}} \, dx=\int \frac {\left (\left (a + b x^{3}\right )^{2}\right )^{\frac {5}{2}}}{x^{14}}\, dx \]
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Time = 0.20 (sec) , antiderivative size = 59, normalized size of antiderivative = 0.23 \[ \int \frac {\left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}}{x^{14}} \, dx=\frac {91 \, b^{5} x^{15} - 910 \, a b^{4} x^{12} - 455 \, a^{2} b^{3} x^{9} - 260 \, a^{3} b^{2} x^{6} - 91 \, a^{4} b x^{3} - 14 \, a^{5}}{182 \, x^{13}} \]
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Time = 0.29 (sec) , antiderivative size = 108, normalized size of antiderivative = 0.43 \[ \int \frac {\left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}}{x^{14}} \, dx=\frac {1}{2} \, b^{5} x^{2} \mathrm {sgn}\left (b x^{3} + a\right ) - \frac {910 \, a b^{4} x^{12} \mathrm {sgn}\left (b x^{3} + a\right ) + 455 \, a^{2} b^{3} x^{9} \mathrm {sgn}\left (b x^{3} + a\right ) + 260 \, a^{3} b^{2} x^{6} \mathrm {sgn}\left (b x^{3} + a\right ) + 91 \, a^{4} b x^{3} \mathrm {sgn}\left (b x^{3} + a\right ) + 14 \, a^{5} \mathrm {sgn}\left (b x^{3} + a\right )}{182 \, x^{13}} \]
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Timed out. \[ \int \frac {\left (a^2+2 a b x^3+b^2 x^6\right )^{5/2}}{x^{14}} \, dx=\int \frac {{\left (a^2+2\,a\,b\,x^3+b^2\,x^6\right )}^{5/2}}{x^{14}} \,d x \]
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