Optimal. Leaf size=56 \[ -\frac {(a+b x)^8}{10 a x^{10}}+\frac {b (a+b x)^8}{45 a^2 x^9}-\frac {b^2 (a+b x)^8}{360 a^3 x^8} \]
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Rubi [A]
time = 0.01, antiderivative size = 56, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {47, 37}
\begin {gather*} -\frac {b^2 (a+b x)^8}{360 a^3 x^8}+\frac {b (a+b x)^8}{45 a^2 x^9}-\frac {(a+b x)^8}{10 a x^{10}} \end {gather*}
Antiderivative was successfully verified.
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Rule 37
Rule 47
Rubi steps
\begin {align*} \int \frac {(a+b x)^7}{x^{11}} \, dx &=-\frac {(a+b x)^8}{10 a x^{10}}-\frac {b \int \frac {(a+b x)^7}{x^{10}} \, dx}{5 a}\\ &=-\frac {(a+b x)^8}{10 a x^{10}}+\frac {b (a+b x)^8}{45 a^2 x^9}+\frac {b^2 \int \frac {(a+b x)^7}{x^9} \, dx}{45 a^2}\\ &=-\frac {(a+b x)^8}{10 a x^{10}}+\frac {b (a+b x)^8}{45 a^2 x^9}-\frac {b^2 (a+b x)^8}{360 a^3 x^8}\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 93, normalized size = 1.66 \begin {gather*} -\frac {a^7}{10 x^{10}}-\frac {7 a^6 b}{9 x^9}-\frac {21 a^5 b^2}{8 x^8}-\frac {5 a^4 b^3}{x^7}-\frac {35 a^3 b^4}{6 x^6}-\frac {21 a^2 b^5}{5 x^5}-\frac {7 a b^6}{4 x^4}-\frac {b^7}{3 x^3} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.07, size = 80, normalized size = 1.43
method | result | size |
norman | \(\frac {-\frac {1}{3} b^{7} x^{7}-\frac {7}{4} a \,b^{6} x^{6}-\frac {21}{5} a^{2} b^{5} x^{5}-\frac {35}{6} a^{3} b^{4} x^{4}-5 a^{4} b^{3} x^{3}-\frac {21}{8} a^{5} b^{2} x^{2}-\frac {7}{9} a^{6} b x -\frac {1}{10} a^{7}}{x^{10}}\) | \(79\) |
risch | \(\frac {-\frac {1}{3} b^{7} x^{7}-\frac {7}{4} a \,b^{6} x^{6}-\frac {21}{5} a^{2} b^{5} x^{5}-\frac {35}{6} a^{3} b^{4} x^{4}-5 a^{4} b^{3} x^{3}-\frac {21}{8} a^{5} b^{2} x^{2}-\frac {7}{9} a^{6} b x -\frac {1}{10} a^{7}}{x^{10}}\) | \(79\) |
gosper | \(-\frac {120 b^{7} x^{7}+630 a \,b^{6} x^{6}+1512 a^{2} b^{5} x^{5}+2100 a^{3} b^{4} x^{4}+1800 a^{4} b^{3} x^{3}+945 a^{5} b^{2} x^{2}+280 a^{6} b x +36 a^{7}}{360 x^{10}}\) | \(80\) |
default | \(-\frac {a^{7}}{10 x^{10}}-\frac {b^{7}}{3 x^{3}}-\frac {7 a \,b^{6}}{4 x^{4}}-\frac {7 a^{6} b}{9 x^{9}}-\frac {21 a^{5} b^{2}}{8 x^{8}}-\frac {21 a^{2} b^{5}}{5 x^{5}}-\frac {35 a^{3} b^{4}}{6 x^{6}}-\frac {5 a^{4} b^{3}}{x^{7}}\) | \(80\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 79, normalized size = 1.41 \begin {gather*} -\frac {120 \, b^{7} x^{7} + 630 \, a b^{6} x^{6} + 1512 \, a^{2} b^{5} x^{5} + 2100 \, a^{3} b^{4} x^{4} + 1800 \, a^{4} b^{3} x^{3} + 945 \, a^{5} b^{2} x^{2} + 280 \, a^{6} b x + 36 \, a^{7}}{360 \, x^{10}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.76, size = 79, normalized size = 1.41 \begin {gather*} -\frac {120 \, b^{7} x^{7} + 630 \, a b^{6} x^{6} + 1512 \, a^{2} b^{5} x^{5} + 2100 \, a^{3} b^{4} x^{4} + 1800 \, a^{4} b^{3} x^{3} + 945 \, a^{5} b^{2} x^{2} + 280 \, a^{6} b x + 36 \, a^{7}}{360 \, x^{10}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.26, size = 85, normalized size = 1.52 \begin {gather*} \frac {- 36 a^{7} - 280 a^{6} b x - 945 a^{5} b^{2} x^{2} - 1800 a^{4} b^{3} x^{3} - 2100 a^{3} b^{4} x^{4} - 1512 a^{2} b^{5} x^{5} - 630 a b^{6} x^{6} - 120 b^{7} x^{7}}{360 x^{10}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.23, size = 79, normalized size = 1.41 \begin {gather*} -\frac {120 \, b^{7} x^{7} + 630 \, a b^{6} x^{6} + 1512 \, a^{2} b^{5} x^{5} + 2100 \, a^{3} b^{4} x^{4} + 1800 \, a^{4} b^{3} x^{3} + 945 \, a^{5} b^{2} x^{2} + 280 \, a^{6} b x + 36 \, a^{7}}{360 \, x^{10}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.11, size = 79, normalized size = 1.41 \begin {gather*} -\frac {\frac {a^7}{10}+\frac {7\,a^6\,b\,x}{9}+\frac {21\,a^5\,b^2\,x^2}{8}+5\,a^4\,b^3\,x^3+\frac {35\,a^3\,b^4\,x^4}{6}+\frac {21\,a^2\,b^5\,x^5}{5}+\frac {7\,a\,b^6\,x^6}{4}+\frac {b^7\,x^7}{3}}{x^{10}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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