Integrand size = 20, antiderivative size = 15 \[ \int \left (b+3 d x^2\right ) \left (b x+d x^3\right )^7 \, dx=\frac {1}{8} \left (b x+d x^3\right )^8 \]
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Time = 0.01 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.050, Rules used = {1602} \[ \int \left (b+3 d x^2\right ) \left (b x+d x^3\right )^7 \, dx=\frac {1}{8} \left (b x+d x^3\right )^8 \]
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Rule 1602
Rubi steps \begin{align*} \text {integral}& = \frac {1}{8} \left (b x+d x^3\right )^8 \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(98\) vs. \(2(15)=30\).
Time = 0.00 (sec) , antiderivative size = 98, normalized size of antiderivative = 6.53 \[ \int \left (b+3 d x^2\right ) \left (b x+d x^3\right )^7 \, dx=\frac {b^8 x^8}{8}+b^7 d x^{10}+\frac {7}{2} b^6 d^2 x^{12}+7 b^5 d^3 x^{14}+\frac {35}{4} b^4 d^4 x^{16}+7 b^3 d^5 x^{18}+\frac {7}{2} b^2 d^6 x^{20}+b d^7 x^{22}+\frac {d^8 x^{24}}{8} \]
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Time = 0.75 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93
method | result | size |
default | \(\frac {\left (x^{3} d +b x \right )^{8}}{8}\) | \(14\) |
gosper | \(\frac {x^{8} \left (d \,x^{2}+b \right )^{8}}{8}\) | \(15\) |
norman | \(\frac {1}{8} d^{8} x^{24}+x^{22} b \,d^{7}+7 x^{18} b^{3} d^{5}+\frac {7}{2} x^{20} b^{2} d^{6}+7 x^{14} b^{5} d^{3}+\frac {35}{4} x^{16} b^{4} d^{4}+\frac {1}{8} x^{8} b^{8}+x^{10} b^{7} d +\frac {7}{2} x^{12} b^{6} d^{2}\) | \(89\) |
risch | \(\frac {1}{8} d^{8} x^{24}+x^{22} b \,d^{7}+7 x^{18} b^{3} d^{5}+\frac {7}{2} x^{20} b^{2} d^{6}+7 x^{14} b^{5} d^{3}+\frac {35}{4} x^{16} b^{4} d^{4}+\frac {1}{8} x^{8} b^{8}+x^{10} b^{7} d +\frac {7}{2} x^{12} b^{6} d^{2}\) | \(89\) |
parallelrisch | \(\frac {1}{8} d^{8} x^{24}+x^{22} b \,d^{7}+7 x^{18} b^{3} d^{5}+\frac {7}{2} x^{20} b^{2} d^{6}+7 x^{14} b^{5} d^{3}+\frac {35}{4} x^{16} b^{4} d^{4}+\frac {1}{8} x^{8} b^{8}+x^{10} b^{7} d +\frac {7}{2} x^{12} b^{6} d^{2}\) | \(89\) |
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Leaf count of result is larger than twice the leaf count of optimal. 88 vs. \(2 (13) = 26\).
Time = 0.24 (sec) , antiderivative size = 88, normalized size of antiderivative = 5.87 \[ \int \left (b+3 d x^2\right ) \left (b x+d x^3\right )^7 \, dx=\frac {1}{8} \, d^{8} x^{24} + b d^{7} x^{22} + \frac {7}{2} \, b^{2} d^{6} x^{20} + 7 \, b^{3} d^{5} x^{18} + \frac {35}{4} \, b^{4} d^{4} x^{16} + 7 \, b^{5} d^{3} x^{14} + \frac {7}{2} \, b^{6} d^{2} x^{12} + b^{7} d x^{10} + \frac {1}{8} \, b^{8} x^{8} \]
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Leaf count of result is larger than twice the leaf count of optimal. 97 vs. \(2 (10) = 20\).
Time = 0.04 (sec) , antiderivative size = 97, normalized size of antiderivative = 6.47 \[ \int \left (b+3 d x^2\right ) \left (b x+d x^3\right )^7 \, dx=\frac {b^{8} x^{8}}{8} + b^{7} d x^{10} + \frac {7 b^{6} d^{2} x^{12}}{2} + 7 b^{5} d^{3} x^{14} + \frac {35 b^{4} d^{4} x^{16}}{4} + 7 b^{3} d^{5} x^{18} + \frac {7 b^{2} d^{6} x^{20}}{2} + b d^{7} x^{22} + \frac {d^{8} x^{24}}{8} \]
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none
Time = 0.20 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.87 \[ \int \left (b+3 d x^2\right ) \left (b x+d x^3\right )^7 \, dx=\frac {1}{8} \, {\left (d x^{3} + b x\right )}^{8} \]
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none
Time = 0.28 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.87 \[ \int \left (b+3 d x^2\right ) \left (b x+d x^3\right )^7 \, dx=\frac {1}{8} \, {\left (d x^{3} + b x\right )}^{8} \]
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Time = 0.03 (sec) , antiderivative size = 88, normalized size of antiderivative = 5.87 \[ \int \left (b+3 d x^2\right ) \left (b x+d x^3\right )^7 \, dx=\frac {b^8\,x^8}{8}+b^7\,d\,x^{10}+\frac {7\,b^6\,d^2\,x^{12}}{2}+7\,b^5\,d^3\,x^{14}+\frac {35\,b^4\,d^4\,x^{16}}{4}+7\,b^3\,d^5\,x^{18}+\frac {7\,b^2\,d^6\,x^{20}}{2}+b\,d^7\,x^{22}+\frac {d^8\,x^{24}}{8} \]
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