Optimal. Leaf size=167 \[ -\frac {3 a^2 b \sqrt {a^2+2 a b x^2+b^2 x^4}}{10 x^{10} \left (a+b x^2\right )}-\frac {3 a b^2 \sqrt {a^2+2 a b x^2+b^2 x^4}}{8 x^8 \left (a+b x^2\right )}-\frac {b^3 \sqrt {a^2+2 a b x^2+b^2 x^4}}{6 x^6 \left (a+b x^2\right )}-\frac {a^3 \sqrt {a^2+2 a b x^2+b^2 x^4}}{12 x^{12} \left (a+b x^2\right )} \]
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Rubi [A] time = 0.10, antiderivative size = 167, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, integrand size = 26, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.115, Rules used = {1111, 646, 43} \begin {gather*} -\frac {a^3 \sqrt {a^2+2 a b x^2+b^2 x^4}}{12 x^{12} \left (a+b x^2\right )}-\frac {3 a^2 b \sqrt {a^2+2 a b x^2+b^2 x^4}}{10 x^{10} \left (a+b x^2\right )}-\frac {3 a b^2 \sqrt {a^2+2 a b x^2+b^2 x^4}}{8 x^8 \left (a+b x^2\right )}-\frac {b^3 \sqrt {a^2+2 a b x^2+b^2 x^4}}{6 x^6 \left (a+b x^2\right )} \end {gather*}
Antiderivative was successfully verified.
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Rule 43
Rule 646
Rule 1111
Rubi steps
\begin {align*} \int \frac {\left (a^2+2 a b x^2+b^2 x^4\right )^{3/2}}{x^{13}} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {\left (a^2+2 a b x+b^2 x^2\right )^{3/2}}{x^7} \, dx,x,x^2\right )\\ &=\frac {\sqrt {a^2+2 a b x^2+b^2 x^4} \operatorname {Subst}\left (\int \frac {\left (a b+b^2 x\right )^3}{x^7} \, dx,x,x^2\right )}{2 b^2 \left (a b+b^2 x^2\right )}\\ &=\frac {\sqrt {a^2+2 a b x^2+b^2 x^4} \operatorname {Subst}\left (\int \left (\frac {a^3 b^3}{x^7}+\frac {3 a^2 b^4}{x^6}+\frac {3 a b^5}{x^5}+\frac {b^6}{x^4}\right ) \, dx,x,x^2\right )}{2 b^2 \left (a b+b^2 x^2\right )}\\ &=-\frac {a^3 \sqrt {a^2+2 a b x^2+b^2 x^4}}{12 x^{12} \left (a+b x^2\right )}-\frac {3 a^2 b \sqrt {a^2+2 a b x^2+b^2 x^4}}{10 x^{10} \left (a+b x^2\right )}-\frac {3 a b^2 \sqrt {a^2+2 a b x^2+b^2 x^4}}{8 x^8 \left (a+b x^2\right )}-\frac {b^3 \sqrt {a^2+2 a b x^2+b^2 x^4}}{6 x^6 \left (a+b x^2\right )}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 61, normalized size = 0.37 \begin {gather*} -\frac {\sqrt {\left (a+b x^2\right )^2} \left (10 a^3+36 a^2 b x^2+45 a b^2 x^4+20 b^3 x^6\right )}{120 x^{12} \left (a+b x^2\right )} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [B] time = 1.05, size = 400, normalized size = 2.40 \begin {gather*} \frac {4 b^5 \sqrt {a^2+2 a b x^2+b^2 x^4} \left (-10 a^8 b-86 a^7 b^2 x^2-325 a^6 b^3 x^4-705 a^5 b^4 x^6-960 a^4 b^5 x^8-840 a^3 b^6 x^{10}-461 a^2 b^7 x^{12}-145 a b^8 x^{14}-20 b^9 x^{16}\right )+4 \sqrt {b^2} b^5 \left (10 a^9+96 a^8 b x^2+411 a^7 b^2 x^4+1030 a^6 b^3 x^6+1665 a^5 b^4 x^8+1800 a^4 b^5 x^{10}+1301 a^3 b^6 x^{12}+606 a^2 b^7 x^{14}+165 a b^8 x^{16}+20 b^9 x^{18}\right )}{15 \sqrt {b^2} x^{12} \sqrt {a^2+2 a b x^2+b^2 x^4} \left (-32 a^5 b^5-160 a^4 b^6 x^2-320 a^3 b^7 x^4-320 a^2 b^8 x^6-160 a b^9 x^8-32 b^{10} x^{10}\right )+15 x^{12} \left (32 a^6 b^6+192 a^5 b^7 x^2+480 a^4 b^8 x^4+640 a^3 b^9 x^6+480 a^2 b^{10} x^8+192 a b^{11} x^{10}+32 b^{12} x^{12}\right )} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.97, size = 37, normalized size = 0.22 \begin {gather*} -\frac {20 \, b^{3} x^{6} + 45 \, a b^{2} x^{4} + 36 \, a^{2} b x^{2} + 10 \, a^{3}}{120 \, x^{12}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.16, size = 69, normalized size = 0.41 \begin {gather*} -\frac {20 \, b^{3} x^{6} \mathrm {sgn}\left (b x^{2} + a\right ) + 45 \, a b^{2} x^{4} \mathrm {sgn}\left (b x^{2} + a\right ) + 36 \, a^{2} b x^{2} \mathrm {sgn}\left (b x^{2} + a\right ) + 10 \, a^{3} \mathrm {sgn}\left (b x^{2} + a\right )}{120 \, x^{12}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 58, normalized size = 0.35 \begin {gather*} -\frac {\left (20 b^{3} x^{6}+45 a \,b^{2} x^{4}+36 a^{2} b \,x^{2}+10 a^{3}\right ) \left (\left (b \,x^{2}+a \right )^{2}\right )^{\frac {3}{2}}}{120 \left (b \,x^{2}+a \right )^{3} x^{12}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.31, size = 35, normalized size = 0.21 \begin {gather*} -\frac {b^{3}}{6 \, x^{6}} - \frac {3 \, a b^{2}}{8 \, x^{8}} - \frac {3 \, a^{2} b}{10 \, x^{10}} - \frac {a^{3}}{12 \, x^{12}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 4.21, size = 151, normalized size = 0.90 \begin {gather*} -\frac {a^3\,\sqrt {a^2+2\,a\,b\,x^2+b^2\,x^4}}{12\,x^{12}\,\left (b\,x^2+a\right )}-\frac {b^3\,\sqrt {a^2+2\,a\,b\,x^2+b^2\,x^4}}{6\,x^6\,\left (b\,x^2+a\right )}-\frac {3\,a\,b^2\,\sqrt {a^2+2\,a\,b\,x^2+b^2\,x^4}}{8\,x^8\,\left (b\,x^2+a\right )}-\frac {3\,a^2\,b\,\sqrt {a^2+2\,a\,b\,x^2+b^2\,x^4}}{10\,x^{10}\,\left (b\,x^2+a\right )} \end {gather*}
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 \begin {gather*} \int \frac {\left (\left (a + b x^{2}\right )^{2}\right )^{\frac {3}{2}}}{x^{13}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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