Optimal. Leaf size=15 \[ -\frac {1}{7 \left (b x+c x^2\right )^7} \]
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Rubi [A]
time = 0.00, antiderivative size = 15, normalized size of antiderivative = 1.00, number of steps
used = 1, number of rules used = 1, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.056, Rules used = {643}
\begin {gather*} -\frac {1}{7 \left (b x+c x^2\right )^7} \end {gather*}
Antiderivative was successfully verified.
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Rule 643
Rubi steps
\begin {align*} \int \frac {b+2 c x}{\left (b x+c x^2\right )^8} \, dx &=-\frac {1}{7 \left (b x+c x^2\right )^7}\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 14, normalized size = 0.93 \begin {gather*} -\frac {1}{7 x^7 (b+c x)^7} \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. \(176\) vs.
\(2(13)=26\).
time = 0.20, size = 177, normalized size = 11.80
method | result | size |
gosper | \(-\frac {1}{7 x^{7} \left (c x +b \right )^{7}}\) | \(13\) |
norman | \(-\frac {1}{7 x^{7} \left (c x +b \right )^{7}}\) | \(13\) |
risch | \(-\frac {1}{7 x^{7} \left (c x +b \right )^{7}}\) | \(13\) |
derivativedivides | \(-\frac {1}{7 \left (c \,x^{2}+b x \right )^{7}}\) | \(14\) |
default | \(\frac {132 c^{7}}{b^{13} \left (c x +b \right )}+\frac {66 c^{7}}{b^{12} \left (c x +b \right )^{2}}+\frac {30 c^{7}}{b^{11} \left (c x +b \right )^{3}}+\frac {12 c^{7}}{b^{10} \left (c x +b \right )^{4}}+\frac {4 c^{7}}{b^{9} \left (c x +b \right )^{5}}+\frac {c^{7}}{b^{8} \left (c x +b \right )^{6}}+\frac {c^{7}}{7 b^{7} \left (c x +b \right )^{7}}-\frac {1}{7 b^{7} x^{7}}-\frac {132 c^{6}}{b^{13} x}+\frac {66 c^{5}}{b^{12} x^{2}}-\frac {30 c^{4}}{b^{11} x^{3}}+\frac {12 c^{3}}{b^{10} x^{4}}-\frac {4 c^{2}}{b^{9} x^{5}}+\frac {c}{b^{8} x^{6}}\) | \(177\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 13, normalized size = 0.87 \begin {gather*} -\frac {1}{7 \, {\left (c x^{2} + b x\right )}^{7}} \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. 81 vs.
\(2 (13) = 26\).
time = 0.39, size = 81, normalized size = 5.40 \begin {gather*} -\frac {1}{7 \, {\left (c^{7} x^{14} + 7 \, b c^{6} x^{13} + 21 \, b^{2} c^{5} x^{12} + 35 \, b^{3} c^{4} x^{11} + 35 \, b^{4} c^{3} x^{10} + 21 \, b^{5} c^{2} x^{9} + 7 \, b^{6} c x^{8} + b^{7} x^{7}\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. 87 vs.
\(2 (14) = 28\).
time = 0.48, size = 87, normalized size = 5.80 \begin {gather*} - \frac {1}{7 b^{7} x^{7} + 49 b^{6} c x^{8} + 147 b^{5} c^{2} x^{9} + 245 b^{4} c^{3} x^{10} + 245 b^{3} c^{4} x^{11} + 147 b^{2} c^{5} x^{12} + 49 b c^{6} x^{13} + 7 c^{7} x^{14}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 4.61, size = 13, normalized size = 0.87 \begin {gather*} -\frac {1}{7 \, {\left (c x^{2} + b x\right )}^{7}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 4.38, size = 12, normalized size = 0.80 \begin {gather*} -\frac {1}{7\,x^7\,{\left (b+c\,x\right )}^7} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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