Integrand size = 17, antiderivative size = 38 \[ \int \frac {a+b x}{(a c-b c x)^4} \, dx=\frac {2 a}{3 b c^4 (a-b x)^3}-\frac {1}{2 b c^4 (a-b x)^2} \]
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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, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.059, Rules used = {45} \[ \int \frac {a+b x}{(a c-b c x)^4} \, dx=\frac {2 a}{3 b c^4 (a-b x)^3}-\frac {1}{2 b c^4 (a-b x)^2} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {2 a}{c^4 (a-b x)^4}-\frac {1}{c^4 (a-b x)^3}\right ) \, dx \\ & = \frac {2 a}{3 b c^4 (a-b x)^3}-\frac {1}{2 b c^4 (a-b x)^2} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.66 \[ \int \frac {a+b x}{(a c-b c x)^4} \, dx=-\frac {a+3 b x}{6 b c^4 (-a+b x)^3} \]
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Time = 0.30 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.61
method | result | size |
gosper | \(\frac {3 b x +a}{6 \left (-b x +a \right )^{3} c^{4} b}\) | \(23\) |
risch | \(\frac {\frac {x}{2}+\frac {a}{6 b}}{c^{4} \left (-b x +a \right )^{3}}\) | \(23\) |
norman | \(\frac {\frac {a}{6 b c}+\frac {x}{2 c}}{c^{3} \left (-b x +a \right )^{3}}\) | \(29\) |
parallelrisch | \(\frac {-3 b^{3} x -a \,b^{2}}{6 b^{3} c^{4} \left (b x -a \right )^{3}}\) | \(31\) |
default | \(\frac {-\frac {1}{2 b \left (-b x +a \right )^{2}}+\frac {2 a}{3 b \left (-b x +a \right )^{3}}}{c^{4}}\) | \(33\) |
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Time = 0.22 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.42 \[ \int \frac {a+b x}{(a c-b c x)^4} \, dx=-\frac {3 \, b x + a}{6 \, {\left (b^{4} c^{4} x^{3} - 3 \, a b^{3} c^{4} x^{2} + 3 \, a^{2} b^{2} c^{4} x - a^{3} b c^{4}\right )}} \]
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Time = 0.38 (sec) , antiderivative size = 56, normalized size of antiderivative = 1.47 \[ \int \frac {a+b x}{(a c-b c x)^4} \, dx=\frac {- a - 3 b x}{- 6 a^{3} b c^{4} + 18 a^{2} b^{2} c^{4} x - 18 a b^{3} c^{4} x^{2} + 6 b^{4} c^{4} x^{3}} \]
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Time = 0.20 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.42 \[ \int \frac {a+b x}{(a c-b c x)^4} \, dx=-\frac {3 \, b x + a}{6 \, {\left (b^{4} c^{4} x^{3} - 3 \, a b^{3} c^{4} x^{2} + 3 \, a^{2} b^{2} c^{4} x - a^{3} b c^{4}\right )}} \]
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Time = 0.32 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.61 \[ \int \frac {a+b x}{(a c-b c x)^4} \, dx=-\frac {3 \, b x + a}{6 \, {\left (b x - a\right )}^{3} b c^{4}} \]
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Time = 0.05 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.42 \[ \int \frac {a+b x}{(a c-b c x)^4} \, dx=\frac {\frac {x}{2}+\frac {a}{6\,b}}{a^3\,c^4-3\,a^2\,b\,c^4\,x+3\,a\,b^2\,c^4\,x^2-b^3\,c^4\,x^3} \]
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