Optimal. Leaf size=69 \[ -\frac {a^5}{20 x^{20}}-\frac {5 a^4 b}{18 x^{18}}-\frac {5 a^3 b^2}{8 x^{16}}-\frac {5 a^2 b^3}{7 x^{14}}-\frac {5 a b^4}{12 x^{12}}-\frac {b^5}{10 x^{10}} \]
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Rubi [A] time = 0.03, antiderivative size = 69, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {266, 43} \begin {gather*} -\frac {5 a^3 b^2}{8 x^{16}}-\frac {5 a^2 b^3}{7 x^{14}}-\frac {5 a^4 b}{18 x^{18}}-\frac {a^5}{20 x^{20}}-\frac {5 a b^4}{12 x^{12}}-\frac {b^5}{10 x^{10}} \end {gather*}
Antiderivative was successfully verified.
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Rule 43
Rule 266
Rubi steps
\begin {align*} \int \frac {\left (a+b x^2\right )^5}{x^{21}} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {(a+b x)^5}{x^{11}} \, dx,x,x^2\right )\\ &=\frac {1}{2} \operatorname {Subst}\left (\int \left (\frac {a^5}{x^{11}}+\frac {5 a^4 b}{x^{10}}+\frac {10 a^3 b^2}{x^9}+\frac {10 a^2 b^3}{x^8}+\frac {5 a b^4}{x^7}+\frac {b^5}{x^6}\right ) \, dx,x,x^2\right )\\ &=-\frac {a^5}{20 x^{20}}-\frac {5 a^4 b}{18 x^{18}}-\frac {5 a^3 b^2}{8 x^{16}}-\frac {5 a^2 b^3}{7 x^{14}}-\frac {5 a b^4}{12 x^{12}}-\frac {b^5}{10 x^{10}}\\ \end {align*}
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Mathematica [A] time = 0.00, size = 69, normalized size = 1.00 \begin {gather*} -\frac {a^5}{20 x^{20}}-\frac {5 a^4 b}{18 x^{18}}-\frac {5 a^3 b^2}{8 x^{16}}-\frac {5 a^2 b^3}{7 x^{14}}-\frac {5 a b^4}{12 x^{12}}-\frac {b^5}{10 x^{10}} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\left (a+b x^2\right )^5}{x^{21}} \, dx \end {gather*}
Verification is not applicable to the result.
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fricas [A] time = 0.67, size = 59, normalized size = 0.86 \begin {gather*} -\frac {252 \, b^{5} x^{10} + 1050 \, a b^{4} x^{8} + 1800 \, a^{2} b^{3} x^{6} + 1575 \, a^{3} b^{2} x^{4} + 700 \, a^{4} b x^{2} + 126 \, a^{5}}{2520 \, x^{20}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.02, size = 59, normalized size = 0.86 \begin {gather*} -\frac {252 \, b^{5} x^{10} + 1050 \, a b^{4} x^{8} + 1800 \, a^{2} b^{3} x^{6} + 1575 \, a^{3} b^{2} x^{4} + 700 \, a^{4} b x^{2} + 126 \, a^{5}}{2520 \, x^{20}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 58, normalized size = 0.84 \begin {gather*} -\frac {b^{5}}{10 x^{10}}-\frac {5 a \,b^{4}}{12 x^{12}}-\frac {5 a^{2} b^{3}}{7 x^{14}}-\frac {5 a^{3} b^{2}}{8 x^{16}}-\frac {5 a^{4} b}{18 x^{18}}-\frac {a^{5}}{20 x^{20}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.35, size = 59, normalized size = 0.86 \begin {gather*} -\frac {252 \, b^{5} x^{10} + 1050 \, a b^{4} x^{8} + 1800 \, a^{2} b^{3} x^{6} + 1575 \, a^{3} b^{2} x^{4} + 700 \, a^{4} b x^{2} + 126 \, a^{5}}{2520 \, x^{20}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.04, size = 59, normalized size = 0.86 \begin {gather*} -\frac {\frac {a^5}{20}+\frac {5\,a^4\,b\,x^2}{18}+\frac {5\,a^3\,b^2\,x^4}{8}+\frac {5\,a^2\,b^3\,x^6}{7}+\frac {5\,a\,b^4\,x^8}{12}+\frac {b^5\,x^{10}}{10}}{x^{20}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.63, size = 63, normalized size = 0.91 \begin {gather*} \frac {- 126 a^{5} - 700 a^{4} b x^{2} - 1575 a^{3} b^{2} x^{4} - 1800 a^{2} b^{3} x^{6} - 1050 a b^{4} x^{8} - 252 b^{5} x^{10}}{2520 x^{20}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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