Integrand size = 15, antiderivative size = 65 \[ \int (a+b x)^2 (c+d x)^2 \, dx=\frac {(b c-a d)^2 (a+b x)^3}{3 b^3}+\frac {d (b c-a d) (a+b x)^4}{2 b^3}+\frac {d^2 (a+b x)^5}{5 b^3} \]
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Time = 0.04 (sec) , antiderivative size = 65, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {45} \[ \int (a+b x)^2 (c+d x)^2 \, dx=\frac {d (a+b x)^4 (b c-a d)}{2 b^3}+\frac {(a+b x)^3 (b c-a d)^2}{3 b^3}+\frac {d^2 (a+b x)^5}{5 b^3} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {(b c-a d)^2 (a+b x)^2}{b^2}+\frac {2 d (b c-a d) (a+b x)^3}{b^2}+\frac {d^2 (a+b x)^4}{b^2}\right ) \, dx \\ & = \frac {(b c-a d)^2 (a+b x)^3}{3 b^3}+\frac {d (b c-a d) (a+b x)^4}{2 b^3}+\frac {d^2 (a+b x)^5}{5 b^3} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 79, normalized size of antiderivative = 1.22 \[ \int (a+b x)^2 (c+d x)^2 \, dx=a^2 c^2 x+a c (b c+a d) x^2+\frac {1}{3} \left (b^2 c^2+4 a b c d+a^2 d^2\right ) x^3+\frac {1}{2} b d (b c+a d) x^4+\frac {1}{5} b^2 d^2 x^5 \]
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Time = 0.18 (sec) , antiderivative size = 84, normalized size of antiderivative = 1.29
method | result | size |
norman | \(\frac {b^{2} d^{2} x^{5}}{5}+\left (\frac {1}{2} a b \,d^{2}+\frac {1}{2} b^{2} c d \right ) x^{4}+\left (\frac {1}{3} a^{2} d^{2}+\frac {4}{3} a b c d +\frac {1}{3} b^{2} c^{2}\right ) x^{3}+\left (a^{2} c d +a b \,c^{2}\right ) x^{2}+a^{2} c^{2} x\) | \(84\) |
default | \(\frac {b^{2} d^{2} x^{5}}{5}+\frac {\left (2 a b \,d^{2}+2 b^{2} c d \right ) x^{4}}{4}+\frac {\left (a^{2} d^{2}+4 a b c d +b^{2} c^{2}\right ) x^{3}}{3}+\frac {\left (2 a^{2} c d +2 a b \,c^{2}\right ) x^{2}}{2}+a^{2} c^{2} x\) | \(87\) |
gosper | \(\frac {1}{5} b^{2} d^{2} x^{5}+\frac {1}{2} x^{4} a b \,d^{2}+\frac {1}{2} x^{4} b^{2} c d +\frac {1}{3} x^{3} a^{2} d^{2}+\frac {4}{3} x^{3} a b c d +\frac {1}{3} x^{3} b^{2} c^{2}+a^{2} c d \,x^{2}+a b \,c^{2} x^{2}+a^{2} c^{2} x\) | \(90\) |
risch | \(\frac {1}{5} b^{2} d^{2} x^{5}+\frac {1}{2} x^{4} a b \,d^{2}+\frac {1}{2} x^{4} b^{2} c d +\frac {1}{3} x^{3} a^{2} d^{2}+\frac {4}{3} x^{3} a b c d +\frac {1}{3} x^{3} b^{2} c^{2}+a^{2} c d \,x^{2}+a b \,c^{2} x^{2}+a^{2} c^{2} x\) | \(90\) |
parallelrisch | \(\frac {1}{5} b^{2} d^{2} x^{5}+\frac {1}{2} x^{4} a b \,d^{2}+\frac {1}{2} x^{4} b^{2} c d +\frac {1}{3} x^{3} a^{2} d^{2}+\frac {4}{3} x^{3} a b c d +\frac {1}{3} x^{3} b^{2} c^{2}+a^{2} c d \,x^{2}+a b \,c^{2} x^{2}+a^{2} c^{2} x\) | \(90\) |
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Time = 0.22 (sec) , antiderivative size = 81, normalized size of antiderivative = 1.25 \[ \int (a+b x)^2 (c+d x)^2 \, dx=\frac {1}{5} \, b^{2} d^{2} x^{5} + a^{2} c^{2} x + \frac {1}{2} \, {\left (b^{2} c d + a b d^{2}\right )} x^{4} + \frac {1}{3} \, {\left (b^{2} c^{2} + 4 \, a b c d + a^{2} d^{2}\right )} x^{3} + {\left (a b c^{2} + a^{2} c d\right )} x^{2} \]
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Time = 0.03 (sec) , antiderivative size = 87, normalized size of antiderivative = 1.34 \[ \int (a+b x)^2 (c+d x)^2 \, dx=a^{2} c^{2} x + \frac {b^{2} d^{2} x^{5}}{5} + x^{4} \left (\frac {a b d^{2}}{2} + \frac {b^{2} c d}{2}\right ) + x^{3} \left (\frac {a^{2} d^{2}}{3} + \frac {4 a b c d}{3} + \frac {b^{2} c^{2}}{3}\right ) + x^{2} \left (a^{2} c d + a b c^{2}\right ) \]
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Time = 0.21 (sec) , antiderivative size = 81, normalized size of antiderivative = 1.25 \[ \int (a+b x)^2 (c+d x)^2 \, dx=\frac {1}{5} \, b^{2} d^{2} x^{5} + a^{2} c^{2} x + \frac {1}{2} \, {\left (b^{2} c d + a b d^{2}\right )} x^{4} + \frac {1}{3} \, {\left (b^{2} c^{2} + 4 \, a b c d + a^{2} d^{2}\right )} x^{3} + {\left (a b c^{2} + a^{2} c d\right )} x^{2} \]
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Time = 0.29 (sec) , antiderivative size = 89, normalized size of antiderivative = 1.37 \[ \int (a+b x)^2 (c+d x)^2 \, dx=\frac {1}{5} \, b^{2} d^{2} x^{5} + \frac {1}{2} \, b^{2} c d x^{4} + \frac {1}{2} \, a b d^{2} x^{4} + \frac {1}{3} \, b^{2} c^{2} x^{3} + \frac {4}{3} \, a b c d x^{3} + \frac {1}{3} \, a^{2} d^{2} x^{3} + a b c^{2} x^{2} + a^{2} c d x^{2} + a^{2} c^{2} x \]
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Time = 0.20 (sec) , antiderivative size = 74, normalized size of antiderivative = 1.14 \[ \int (a+b x)^2 (c+d x)^2 \, dx=x^3\,\left (\frac {a^2\,d^2}{3}+\frac {4\,a\,b\,c\,d}{3}+\frac {b^2\,c^2}{3}\right )+a^2\,c^2\,x+\frac {b^2\,d^2\,x^5}{5}+a\,c\,x^2\,\left (a\,d+b\,c\right )+\frac {b\,d\,x^4\,\left (a\,d+b\,c\right )}{2} \]
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