Integrand size = 17, antiderivative size = 38 \[ \int (a+b x) (a c-b c x)^2 \, dx=-\frac {2 a c^2 (a-b x)^3}{3 b}+\frac {c^2 (a-b x)^4}{4 b} \]
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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, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.059, Rules used = {45} \[ \int (a+b x) (a c-b c x)^2 \, dx=\frac {c^2 (a-b x)^4}{4 b}-\frac {2 a c^2 (a-b x)^3}{3 b} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (2 a (a c-b c x)^2-\frac {(a c-b c x)^3}{c}\right ) \, dx \\ & = -\frac {2 a c^2 (a-b x)^3}{3 b}+\frac {c^2 (a-b x)^4}{4 b} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.11 \[ \int (a+b x) (a c-b c x)^2 \, dx=c^2 \left (a^3 x-\frac {1}{2} a^2 b x^2-\frac {1}{3} a b^2 x^3+\frac {b^3 x^4}{4}\right ) \]
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Time = 0.14 (sec) , antiderivative size = 37, normalized size of antiderivative = 0.97
method | result | size |
gosper | \(\frac {x \left (3 b^{3} x^{3}-4 a \,b^{2} x^{2}-6 a^{2} b x +12 a^{3}\right ) c^{2}}{12}\) | \(37\) |
default | \(\frac {1}{4} b^{3} c^{2} x^{4}-\frac {1}{3} a \,b^{2} c^{2} x^{3}-\frac {1}{2} a^{2} c^{2} b \,x^{2}+a^{3} c^{2} x\) | \(45\) |
norman | \(\frac {1}{4} b^{3} c^{2} x^{4}-\frac {1}{3} a \,b^{2} c^{2} x^{3}-\frac {1}{2} a^{2} c^{2} b \,x^{2}+a^{3} c^{2} x\) | \(45\) |
risch | \(\frac {1}{4} b^{3} c^{2} x^{4}-\frac {1}{3} a \,b^{2} c^{2} x^{3}-\frac {1}{2} a^{2} c^{2} b \,x^{2}+a^{3} c^{2} x\) | \(45\) |
parallelrisch | \(\frac {1}{4} b^{3} c^{2} x^{4}-\frac {1}{3} a \,b^{2} c^{2} x^{3}-\frac {1}{2} a^{2} c^{2} b \,x^{2}+a^{3} c^{2} x\) | \(45\) |
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Time = 0.21 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.16 \[ \int (a+b x) (a c-b c x)^2 \, dx=\frac {1}{4} \, b^{3} c^{2} x^{4} - \frac {1}{3} \, a b^{2} c^{2} x^{3} - \frac {1}{2} \, a^{2} b c^{2} x^{2} + a^{3} c^{2} x \]
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Time = 0.05 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.21 \[ \int (a+b x) (a c-b c x)^2 \, dx=a^{3} c^{2} x - \frac {a^{2} b c^{2} x^{2}}{2} - \frac {a b^{2} c^{2} x^{3}}{3} + \frac {b^{3} c^{2} x^{4}}{4} \]
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Time = 0.20 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.16 \[ \int (a+b x) (a c-b c x)^2 \, dx=\frac {1}{4} \, b^{3} c^{2} x^{4} - \frac {1}{3} \, a b^{2} c^{2} x^{3} - \frac {1}{2} \, a^{2} b c^{2} x^{2} + a^{3} c^{2} x \]
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Time = 0.31 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.16 \[ \int (a+b x) (a c-b c x)^2 \, dx=\frac {1}{4} \, b^{3} c^{2} x^{4} - \frac {1}{3} \, a b^{2} c^{2} x^{3} - \frac {1}{2} \, a^{2} b c^{2} x^{2} + a^{3} c^{2} x \]
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Time = 0.05 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.16 \[ \int (a+b x) (a c-b c x)^2 \, dx=a^3\,c^2\,x-\frac {a^2\,b\,c^2\,x^2}{2}-\frac {a\,b^2\,c^2\,x^3}{3}+\frac {b^3\,c^2\,x^4}{4} \]
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