Integrand size = 16, antiderivative size = 31 \[ \int (d+e x) \left (9+12 x+4 x^2\right ) \, dx=\frac {1}{12} (2 d-3 e) (3+2 x)^3+\frac {1}{16} e (3+2 x)^4 \]
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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, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {27, 45} \[ \int (d+e x) \left (9+12 x+4 x^2\right ) \, dx=\frac {1}{12} (2 x+3)^3 (2 d-3 e)+\frac {1}{16} e (2 x+3)^4 \]
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Rule 27
Rule 45
Rubi steps \begin{align*} \text {integral}& = \int (3+2 x)^2 (d+e x) \, dx \\ & = \int \left (\frac {1}{2} (2 d-3 e) (3+2 x)^2+\frac {1}{2} e (3+2 x)^3\right ) \, dx \\ & = \frac {1}{12} (2 d-3 e) (3+2 x)^3+\frac {1}{16} e (3+2 x)^4 \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.16 \[ \int (d+e x) \left (9+12 x+4 x^2\right ) \, dx=9 d x+\frac {3}{2} (4 d+3 e) x^2+\frac {4}{3} (d+3 e) x^3+e x^4 \]
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Time = 0.09 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.06
method | result | size |
norman | \(e \,x^{4}+\left (\frac {4 d}{3}+4 e \right ) x^{3}+\left (6 d +\frac {9 e}{2}\right ) x^{2}+9 d x\) | \(33\) |
gosper | \(\frac {x \left (6 e \,x^{3}+8 d \,x^{2}+24 e \,x^{2}+36 d x +27 e x +54 d \right )}{6}\) | \(34\) |
default | \(e \,x^{4}+\frac {\left (4 d +12 e \right ) x^{3}}{3}+\frac {\left (12 d +9 e \right ) x^{2}}{2}+9 d x\) | \(35\) |
risch | \(e \,x^{4}+\frac {4}{3} d \,x^{3}+4 e \,x^{3}+6 d \,x^{2}+\frac {9}{2} e \,x^{2}+9 d x\) | \(35\) |
parallelrisch | \(e \,x^{4}+\frac {4}{3} d \,x^{3}+4 e \,x^{3}+6 d \,x^{2}+\frac {9}{2} e \,x^{2}+9 d x\) | \(35\) |
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Time = 0.33 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.03 \[ \int (d+e x) \left (9+12 x+4 x^2\right ) \, dx=e x^{4} + \frac {4}{3} \, {\left (d + 3 \, e\right )} x^{3} + \frac {3}{2} \, {\left (4 \, d + 3 \, e\right )} x^{2} + 9 \, d x \]
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Time = 0.02 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.03 \[ \int (d+e x) \left (9+12 x+4 x^2\right ) \, dx=9 d x + e x^{4} + x^{3} \cdot \left (\frac {4 d}{3} + 4 e\right ) + x^{2} \cdot \left (6 d + \frac {9 e}{2}\right ) \]
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Time = 0.20 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.03 \[ \int (d+e x) \left (9+12 x+4 x^2\right ) \, dx=e x^{4} + \frac {4}{3} \, {\left (d + 3 \, e\right )} x^{3} + \frac {3}{2} \, {\left (4 \, d + 3 \, e\right )} x^{2} + 9 \, d x \]
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Time = 0.26 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.10 \[ \int (d+e x) \left (9+12 x+4 x^2\right ) \, dx=e x^{4} + \frac {4}{3} \, d x^{3} + 4 \, e x^{3} + 6 \, d x^{2} + \frac {9}{2} \, e x^{2} + 9 \, d x \]
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Time = 0.04 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.03 \[ \int (d+e x) \left (9+12 x+4 x^2\right ) \, dx=e\,x^4+\left (\frac {4\,d}{3}+4\,e\right )\,x^3+\left (6\,d+\frac {9\,e}{2}\right )\,x^2+9\,d\,x \]
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