Optimal. Leaf size=35 \[ \frac {x^8}{9 a (a+b x)^9}+\frac {x^8}{72 a^2 (a+b x)^8} \]
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Rubi [A]
time = 0.00, antiderivative size = 35, normalized size of antiderivative = 1.00, number of steps
used = 2, 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 {x^8}{72 a^2 (a+b x)^8}+\frac {x^8}{9 a (a+b x)^9} \end {gather*}
Antiderivative was successfully verified.
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Rule 37
Rule 47
Rubi steps
\begin {align*} \int \frac {x^7}{(a+b x)^{10}} \, dx &=\frac {x^8}{9 a (a+b x)^9}+\frac {\int \frac {x^7}{(a+b x)^9} \, dx}{9 a}\\ &=\frac {x^8}{9 a (a+b x)^9}+\frac {x^8}{72 a^2 (a+b x)^8}\\ \end {align*}
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Mathematica [B] Leaf count is larger than twice the leaf count of optimal. \(86\) vs. \(2(35)=70\).
time = 0.01, size = 86, normalized size = 2.46 \begin {gather*} -\frac {a^7+9 a^6 b x+36 a^5 b^2 x^2+84 a^4 b^3 x^3+126 a^3 b^4 x^4+126 a^2 b^5 x^5+84 a b^6 x^6+36 b^7 x^7}{72 b^8 (a+b x)^9} \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(116\) vs.
\(2(31)=62\).
time = 0.08, size = 117, normalized size = 3.34
method | result | size |
gosper | \(-\frac {36 b^{7} x^{7}+84 a \,b^{6} x^{6}+126 a^{2} b^{5} x^{5}+126 a^{3} b^{4} x^{4}+84 a^{4} b^{3} x^{3}+36 a^{5} b^{2} x^{2}+9 a^{6} b x +a^{7}}{72 \left (b x +a \right )^{9} b^{8}}\) | \(85\) |
norman | \(\frac {-\frac {x^{7}}{2 b}-\frac {7 a \,x^{6}}{6 b^{2}}-\frac {7 a^{2} x^{5}}{4 b^{3}}-\frac {7 a^{3} x^{4}}{4 b^{4}}-\frac {7 a^{4} x^{3}}{6 b^{5}}-\frac {a^{5} x^{2}}{2 b^{6}}-\frac {a^{6} x}{8 b^{7}}-\frac {a^{7}}{72 b^{8}}}{\left (b x +a \right )^{9}}\) | \(88\) |
risch | \(\frac {-\frac {x^{7}}{2 b}-\frac {7 a \,x^{6}}{6 b^{2}}-\frac {7 a^{2} x^{5}}{4 b^{3}}-\frac {7 a^{3} x^{4}}{4 b^{4}}-\frac {7 a^{4} x^{3}}{6 b^{5}}-\frac {a^{5} x^{2}}{2 b^{6}}-\frac {a^{6} x}{8 b^{7}}-\frac {a^{7}}{72 b^{8}}}{\left (b x +a \right )^{9}}\) | \(88\) |
default | \(-\frac {21 a^{2}}{4 b^{8} \left (b x +a \right )^{4}}+\frac {3 a^{5}}{b^{8} \left (b x +a \right )^{7}}+\frac {a^{7}}{9 b^{8} \left (b x +a \right )^{9}}-\frac {7 a^{6}}{8 b^{8} \left (b x +a \right )^{8}}-\frac {1}{2 b^{8} \left (b x +a \right )^{2}}-\frac {35 a^{4}}{6 b^{8} \left (b x +a \right )^{6}}+\frac {7 a^{3}}{b^{8} \left (b x +a \right )^{5}}+\frac {7 a}{3 b^{8} \left (b x +a \right )^{3}}\) | \(117\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 175 vs.
\(2 (31) = 62\).
time = 0.50, size = 175, normalized size = 5.00 \begin {gather*} -\frac {36 \, b^{7} x^{7} + 84 \, a b^{6} x^{6} + 126 \, a^{2} b^{5} x^{5} + 126 \, a^{3} b^{4} x^{4} + 84 \, a^{4} b^{3} x^{3} + 36 \, a^{5} b^{2} x^{2} + 9 \, a^{6} b x + a^{7}}{72 \, {\left (b^{17} x^{9} + 9 \, a b^{16} x^{8} + 36 \, a^{2} b^{15} x^{7} + 84 \, a^{3} b^{14} x^{6} + 126 \, a^{4} b^{13} x^{5} + 126 \, a^{5} b^{12} x^{4} + 84 \, a^{6} b^{11} x^{3} + 36 \, a^{7} b^{10} x^{2} + 9 \, a^{8} b^{9} x + a^{9} b^{8}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 175 vs.
\(2 (31) = 62\).
time = 0.93, size = 175, normalized size = 5.00 \begin {gather*} -\frac {36 \, b^{7} x^{7} + 84 \, a b^{6} x^{6} + 126 \, a^{2} b^{5} x^{5} + 126 \, a^{3} b^{4} x^{4} + 84 \, a^{4} b^{3} x^{3} + 36 \, a^{5} b^{2} x^{2} + 9 \, a^{6} b x + a^{7}}{72 \, {\left (b^{17} x^{9} + 9 \, a b^{16} x^{8} + 36 \, a^{2} b^{15} x^{7} + 84 \, a^{3} b^{14} x^{6} + 126 \, a^{4} b^{13} x^{5} + 126 \, a^{5} b^{12} x^{4} + 84 \, a^{6} b^{11} x^{3} + 36 \, a^{7} b^{10} x^{2} + 9 \, a^{8} b^{9} x + a^{9} b^{8}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 187 vs.
\(2 (27) = 54\).
time = 0.39, size = 187, normalized size = 5.34 \begin {gather*} \frac {- a^{7} - 9 a^{6} b x - 36 a^{5} b^{2} x^{2} - 84 a^{4} b^{3} x^{3} - 126 a^{3} b^{4} x^{4} - 126 a^{2} b^{5} x^{5} - 84 a b^{6} x^{6} - 36 b^{7} x^{7}}{72 a^{9} b^{8} + 648 a^{8} b^{9} x + 2592 a^{7} b^{10} x^{2} + 6048 a^{6} b^{11} x^{3} + 9072 a^{5} b^{12} x^{4} + 9072 a^{4} b^{13} x^{5} + 6048 a^{3} b^{14} x^{6} + 2592 a^{2} b^{15} x^{7} + 648 a b^{16} x^{8} + 72 b^{17} x^{9}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 84 vs.
\(2 (31) = 62\).
time = 1.54, size = 84, normalized size = 2.40 \begin {gather*} -\frac {36 \, b^{7} x^{7} + 84 \, a b^{6} x^{6} + 126 \, a^{2} b^{5} x^{5} + 126 \, a^{3} b^{4} x^{4} + 84 \, a^{4} b^{3} x^{3} + 36 \, a^{5} b^{2} x^{2} + 9 \, a^{6} b x + a^{7}}{72 \, {\left (b x + a\right )}^{9} b^{8}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.13, size = 22, normalized size = 0.63 \begin {gather*} \frac {x^8\,\left (9\,a+b\,x\right )}{72\,a^2\,{\left (a+b\,x\right )}^9} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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