Integrand size = 9, antiderivative size = 30 \[ \int x (a+b x)^5 \, dx=-\frac {a (a+b x)^6}{6 b^2}+\frac {(a+b x)^7}{7 b^2} \]
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Time = 0.01 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {45} \[ \int x (a+b x)^5 \, dx=\frac {(a+b x)^7}{7 b^2}-\frac {a (a+b x)^6}{6 b^2} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {a (a+b x)^5}{b}+\frac {(a+b x)^6}{b}\right ) \, dx \\ & = -\frac {a (a+b x)^6}{6 b^2}+\frac {(a+b x)^7}{7 b^2} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(67\) vs. \(2(30)=60\).
Time = 0.00 (sec) , antiderivative size = 67, normalized size of antiderivative = 2.23 \[ \int x (a+b x)^5 \, dx=\frac {a^5 x^2}{2}+\frac {5}{3} a^4 b x^3+\frac {5}{2} a^3 b^2 x^4+2 a^2 b^3 x^5+\frac {5}{6} a b^4 x^6+\frac {b^5 x^7}{7} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(57\) vs. \(2(26)=52\).
Time = 0.16 (sec) , antiderivative size = 58, normalized size of antiderivative = 1.93
method | result | size |
gosper | \(\frac {1}{7} b^{5} x^{7}+\frac {5}{6} a \,b^{4} x^{6}+2 a^{2} b^{3} x^{5}+\frac {5}{2} a^{3} b^{2} x^{4}+\frac {5}{3} a^{4} b \,x^{3}+\frac {1}{2} a^{5} x^{2}\) | \(58\) |
default | \(\frac {1}{7} b^{5} x^{7}+\frac {5}{6} a \,b^{4} x^{6}+2 a^{2} b^{3} x^{5}+\frac {5}{2} a^{3} b^{2} x^{4}+\frac {5}{3} a^{4} b \,x^{3}+\frac {1}{2} a^{5} x^{2}\) | \(58\) |
norman | \(\frac {1}{7} b^{5} x^{7}+\frac {5}{6} a \,b^{4} x^{6}+2 a^{2} b^{3} x^{5}+\frac {5}{2} a^{3} b^{2} x^{4}+\frac {5}{3} a^{4} b \,x^{3}+\frac {1}{2} a^{5} x^{2}\) | \(58\) |
risch | \(\frac {1}{7} b^{5} x^{7}+\frac {5}{6} a \,b^{4} x^{6}+2 a^{2} b^{3} x^{5}+\frac {5}{2} a^{3} b^{2} x^{4}+\frac {5}{3} a^{4} b \,x^{3}+\frac {1}{2} a^{5} x^{2}\) | \(58\) |
parallelrisch | \(\frac {1}{7} b^{5} x^{7}+\frac {5}{6} a \,b^{4} x^{6}+2 a^{2} b^{3} x^{5}+\frac {5}{2} a^{3} b^{2} x^{4}+\frac {5}{3} a^{4} b \,x^{3}+\frac {1}{2} a^{5} x^{2}\) | \(58\) |
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Leaf count of result is larger than twice the leaf count of optimal. 57 vs. \(2 (26) = 52\).
Time = 0.21 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.90 \[ \int x (a+b x)^5 \, dx=\frac {1}{7} \, b^{5} x^{7} + \frac {5}{6} \, a b^{4} x^{6} + 2 \, a^{2} b^{3} x^{5} + \frac {5}{2} \, a^{3} b^{2} x^{4} + \frac {5}{3} \, a^{4} b x^{3} + \frac {1}{2} \, a^{5} x^{2} \]
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Leaf count of result is larger than twice the leaf count of optimal. 65 vs. \(2 (24) = 48\).
Time = 0.05 (sec) , antiderivative size = 65, normalized size of antiderivative = 2.17 \[ \int x (a+b x)^5 \, dx=\frac {a^{5} x^{2}}{2} + \frac {5 a^{4} b x^{3}}{3} + \frac {5 a^{3} b^{2} x^{4}}{2} + 2 a^{2} b^{3} x^{5} + \frac {5 a b^{4} x^{6}}{6} + \frac {b^{5} x^{7}}{7} \]
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Leaf count of result is larger than twice the leaf count of optimal. 57 vs. \(2 (26) = 52\).
Time = 0.20 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.90 \[ \int x (a+b x)^5 \, dx=\frac {1}{7} \, b^{5} x^{7} + \frac {5}{6} \, a b^{4} x^{6} + 2 \, a^{2} b^{3} x^{5} + \frac {5}{2} \, a^{3} b^{2} x^{4} + \frac {5}{3} \, a^{4} b x^{3} + \frac {1}{2} \, a^{5} x^{2} \]
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Leaf count of result is larger than twice the leaf count of optimal. 57 vs. \(2 (26) = 52\).
Time = 0.29 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.90 \[ \int x (a+b x)^5 \, dx=\frac {1}{7} \, b^{5} x^{7} + \frac {5}{6} \, a b^{4} x^{6} + 2 \, a^{2} b^{3} x^{5} + \frac {5}{2} \, a^{3} b^{2} x^{4} + \frac {5}{3} \, a^{4} b x^{3} + \frac {1}{2} \, a^{5} x^{2} \]
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Time = 0.02 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.90 \[ \int x (a+b x)^5 \, dx=\frac {a^5\,x^2}{2}+\frac {5\,a^4\,b\,x^3}{3}+\frac {5\,a^3\,b^2\,x^4}{2}+2\,a^2\,b^3\,x^5+\frac {5\,a\,b^4\,x^6}{6}+\frac {b^5\,x^7}{7} \]
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