Integrand size = 18, antiderivative size = 31 \[ \int (d+e x) \left (9+12 x+4 x^2\right )^2 \, dx=\frac {1}{20} (2 d-3 e) (3+2 x)^5+\frac {1}{24} e (3+2 x)^6 \]
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Time = 0.01 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {27, 45} \[ \int (d+e x) \left (9+12 x+4 x^2\right )^2 \, dx=\frac {1}{20} (2 x+3)^5 (2 d-3 e)+\frac {1}{24} e (2 x+3)^6 \]
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Rule 27
Rule 45
Rubi steps \begin{align*} \text {integral}& = \int (3+2 x)^4 (d+e x) \, dx \\ & = \int \left (\frac {1}{2} (2 d-3 e) (3+2 x)^4+\frac {1}{2} e (3+2 x)^5\right ) \, dx \\ & = \frac {1}{20} (2 d-3 e) (3+2 x)^5+\frac {1}{24} e (3+2 x)^6 \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.90 \[ \int (d+e x) \left (9+12 x+4 x^2\right )^2 \, dx=81 d x+\frac {27}{2} (8 d+3 e) x^2+72 (d+e) x^3+6 (4 d+9 e) x^4+\frac {16}{5} (d+6 e) x^5+\frac {8 e x^6}{3} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(55\) vs. \(2(27)=54\).
Time = 2.22 (sec) , antiderivative size = 56, normalized size of antiderivative = 1.81
method | result | size |
norman | \(\frac {8 e \,x^{6}}{3}+\left (\frac {16 d}{5}+\frac {96 e}{5}\right ) x^{5}+\left (24 d +54 e \right ) x^{4}+\left (72 d +72 e \right ) x^{3}+\left (108 d +\frac {81 e}{2}\right ) x^{2}+81 d x\) | \(56\) |
gosper | \(\frac {x \left (80 e \,x^{5}+96 d \,x^{4}+576 e \,x^{4}+720 d \,x^{3}+1620 e \,x^{3}+2160 d \,x^{2}+2160 e \,x^{2}+3240 d x +1215 e x +2430 d \right )}{30}\) | \(58\) |
default | \(\frac {8 e \,x^{6}}{3}+\frac {\left (16 d +96 e \right ) x^{5}}{5}+\frac {\left (96 d +216 e \right ) x^{4}}{4}+\frac {\left (216 d +216 e \right ) x^{3}}{3}+\frac {\left (216 d +81 e \right ) x^{2}}{2}+81 d x\) | \(60\) |
risch | \(\frac {8}{3} e \,x^{6}+\frac {16}{5} d \,x^{5}+\frac {96}{5} e \,x^{5}+24 d \,x^{4}+54 e \,x^{4}+72 d \,x^{3}+72 e \,x^{3}+108 d \,x^{2}+\frac {81}{2} e \,x^{2}+81 d x\) | \(60\) |
parallelrisch | \(\frac {8}{3} e \,x^{6}+\frac {16}{5} d \,x^{5}+\frac {96}{5} e \,x^{5}+24 d \,x^{4}+54 e \,x^{4}+72 d \,x^{3}+72 e \,x^{3}+108 d \,x^{2}+\frac {81}{2} e \,x^{2}+81 d x\) | \(60\) |
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Time = 0.29 (sec) , antiderivative size = 53, normalized size of antiderivative = 1.71 \[ \int (d+e x) \left (9+12 x+4 x^2\right )^2 \, dx=\frac {8}{3} \, e x^{6} + \frac {16}{5} \, {\left (d + 6 \, e\right )} x^{5} + 6 \, {\left (4 \, d + 9 \, e\right )} x^{4} + 72 \, {\left (d + e\right )} x^{3} + \frac {27}{2} \, {\left (8 \, d + 3 \, e\right )} x^{2} + 81 \, d x \]
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Leaf count of result is larger than twice the leaf count of optimal. 58 vs. \(2 (24) = 48\).
Time = 0.03 (sec) , antiderivative size = 58, normalized size of antiderivative = 1.87 \[ \int (d+e x) \left (9+12 x+4 x^2\right )^2 \, dx=81 d x + \frac {8 e x^{6}}{3} + x^{5} \cdot \left (\frac {16 d}{5} + \frac {96 e}{5}\right ) + x^{4} \cdot \left (24 d + 54 e\right ) + x^{3} \cdot \left (72 d + 72 e\right ) + x^{2} \cdot \left (108 d + \frac {81 e}{2}\right ) \]
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Time = 0.19 (sec) , antiderivative size = 53, normalized size of antiderivative = 1.71 \[ \int (d+e x) \left (9+12 x+4 x^2\right )^2 \, dx=\frac {8}{3} \, e x^{6} + \frac {16}{5} \, {\left (d + 6 \, e\right )} x^{5} + 6 \, {\left (4 \, d + 9 \, e\right )} x^{4} + 72 \, {\left (d + e\right )} x^{3} + \frac {27}{2} \, {\left (8 \, d + 3 \, e\right )} x^{2} + 81 \, d x \]
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Leaf count of result is larger than twice the leaf count of optimal. 59 vs. \(2 (27) = 54\).
Time = 0.26 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.90 \[ \int (d+e x) \left (9+12 x+4 x^2\right )^2 \, dx=\frac {8}{3} \, e x^{6} + \frac {16}{5} \, d x^{5} + \frac {96}{5} \, e x^{5} + 24 \, d x^{4} + 54 \, e x^{4} + 72 \, d x^{3} + 72 \, e x^{3} + 108 \, d x^{2} + \frac {81}{2} \, e x^{2} + 81 \, d x \]
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Time = 9.81 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.77 \[ \int (d+e x) \left (9+12 x+4 x^2\right )^2 \, dx=\frac {8\,e\,x^6}{3}+\left (\frac {16\,d}{5}+\frac {96\,e}{5}\right )\,x^5+\left (24\,d+54\,e\right )\,x^4+\left (72\,d+72\,e\right )\,x^3+\left (108\,d+\frac {81\,e}{2}\right )\,x^2+81\,d\,x \]
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