Integrand size = 13, antiderivative size = 38 \[ \int (a+b x)^3 (c+d x) \, dx=\frac {(b c-a d) (a+b x)^4}{4 b^2}+\frac {d (a+b x)^5}{5 b^2} \]
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Time = 0.01 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {45} \[ \int (a+b x)^3 (c+d x) \, dx=\frac {(a+b x)^4 (b c-a d)}{4 b^2}+\frac {d (a+b x)^5}{5 b^2} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {(b c-a d) (a+b x)^3}{b}+\frac {d (a+b x)^4}{b}\right ) \, dx \\ & = \frac {(b c-a d) (a+b x)^4}{4 b^2}+\frac {d (a+b x)^5}{5 b^2} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 67, normalized size of antiderivative = 1.76 \[ \int (a+b x)^3 (c+d x) \, dx=a^3 c x+\frac {1}{2} a^2 (3 b c+a d) x^2+a b (b c+a d) x^3+\frac {1}{4} b^2 (b c+3 a d) x^4+\frac {1}{5} b^3 d x^5 \]
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Leaf count of result is larger than twice the leaf count of optimal. \(69\) vs. \(2(34)=68\).
Time = 0.18 (sec) , antiderivative size = 70, normalized size of antiderivative = 1.84
method | result | size |
norman | \(\frac {b^{3} d \,x^{5}}{5}+\left (\frac {3}{4} a \,b^{2} d +\frac {1}{4} b^{3} c \right ) x^{4}+\left (a^{2} b d +a \,b^{2} c \right ) x^{3}+\left (\frac {1}{2} a^{3} d +\frac {3}{2} a^{2} b c \right ) x^{2}+a^{3} c x\) | \(70\) |
gosper | \(\frac {1}{5} b^{3} d \,x^{5}+\frac {3}{4} x^{4} a \,b^{2} d +\frac {1}{4} b^{3} c \,x^{4}+a^{2} b d \,x^{3}+a \,b^{2} c \,x^{3}+\frac {1}{2} x^{2} a^{3} d +\frac {3}{2} a^{2} b c \,x^{2}+a^{3} c x\) | \(73\) |
default | \(\frac {b^{3} d \,x^{5}}{5}+\frac {\left (3 a \,b^{2} d +b^{3} c \right ) x^{4}}{4}+\frac {\left (3 a^{2} b d +3 a \,b^{2} c \right ) x^{3}}{3}+\frac {\left (a^{3} d +3 a^{2} b c \right ) x^{2}}{2}+a^{3} c x\) | \(73\) |
risch | \(\frac {1}{5} b^{3} d \,x^{5}+\frac {3}{4} x^{4} a \,b^{2} d +\frac {1}{4} b^{3} c \,x^{4}+a^{2} b d \,x^{3}+a \,b^{2} c \,x^{3}+\frac {1}{2} x^{2} a^{3} d +\frac {3}{2} a^{2} b c \,x^{2}+a^{3} c x\) | \(73\) |
parallelrisch | \(\frac {1}{5} b^{3} d \,x^{5}+\frac {3}{4} x^{4} a \,b^{2} d +\frac {1}{4} b^{3} c \,x^{4}+a^{2} b d \,x^{3}+a \,b^{2} c \,x^{3}+\frac {1}{2} x^{2} a^{3} d +\frac {3}{2} a^{2} b c \,x^{2}+a^{3} c x\) | \(73\) |
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Leaf count of result is larger than twice the leaf count of optimal. 69 vs. \(2 (34) = 68\).
Time = 0.21 (sec) , antiderivative size = 69, normalized size of antiderivative = 1.82 \[ \int (a+b x)^3 (c+d x) \, dx=\frac {1}{5} \, b^{3} d x^{5} + a^{3} c x + \frac {1}{4} \, {\left (b^{3} c + 3 \, a b^{2} d\right )} x^{4} + {\left (a b^{2} c + a^{2} b d\right )} x^{3} + \frac {1}{2} \, {\left (3 \, a^{2} b c + a^{3} d\right )} x^{2} \]
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Leaf count of result is larger than twice the leaf count of optimal. 73 vs. \(2 (32) = 64\).
Time = 0.02 (sec) , antiderivative size = 73, normalized size of antiderivative = 1.92 \[ \int (a+b x)^3 (c+d x) \, dx=a^{3} c x + \frac {b^{3} d x^{5}}{5} + x^{4} \cdot \left (\frac {3 a b^{2} d}{4} + \frac {b^{3} c}{4}\right ) + x^{3} \left (a^{2} b d + a b^{2} c\right ) + x^{2} \left (\frac {a^{3} d}{2} + \frac {3 a^{2} b c}{2}\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 69 vs. \(2 (34) = 68\).
Time = 0.23 (sec) , antiderivative size = 69, normalized size of antiderivative = 1.82 \[ \int (a+b x)^3 (c+d x) \, dx=\frac {1}{5} \, b^{3} d x^{5} + a^{3} c x + \frac {1}{4} \, {\left (b^{3} c + 3 \, a b^{2} d\right )} x^{4} + {\left (a b^{2} c + a^{2} b d\right )} x^{3} + \frac {1}{2} \, {\left (3 \, a^{2} b c + a^{3} d\right )} x^{2} \]
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Leaf count of result is larger than twice the leaf count of optimal. 72 vs. \(2 (34) = 68\).
Time = 0.30 (sec) , antiderivative size = 72, normalized size of antiderivative = 1.89 \[ \int (a+b x)^3 (c+d x) \, dx=\frac {1}{5} \, b^{3} d x^{5} + \frac {1}{4} \, b^{3} c x^{4} + \frac {3}{4} \, a b^{2} d x^{4} + a b^{2} c x^{3} + a^{2} b d x^{3} + \frac {3}{2} \, a^{2} b c x^{2} + \frac {1}{2} \, a^{3} d x^{2} + a^{3} c x \]
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Time = 0.18 (sec) , antiderivative size = 65, normalized size of antiderivative = 1.71 \[ \int (a+b x)^3 (c+d x) \, dx=x^4\,\left (\frac {c\,b^3}{4}+\frac {3\,a\,d\,b^2}{4}\right )+x^2\,\left (\frac {d\,a^3}{2}+\frac {3\,b\,c\,a^2}{2}\right )+\frac {b^3\,d\,x^5}{5}+a^3\,c\,x+a\,b\,x^3\,\left (a\,d+b\,c\right ) \]
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