Integrand size = 18, antiderivative size = 112 \[ \int \frac {(c+d x)^3}{x^2 (a+b x)^3} \, dx=-\frac {c^3}{a^3 x}-\frac {(b c-a d)^3}{2 a^2 b^2 (a+b x)^2}-\frac {(b c-a d)^2 (2 b c+a d)}{a^3 b^2 (a+b x)}-\frac {3 c^2 (b c-a d) \log (x)}{a^4}+\frac {3 c^2 (b c-a d) \log (a+b x)}{a^4} \]
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Time = 0.07 (sec) , antiderivative size = 112, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.056, Rules used = {90} \[ \int \frac {(c+d x)^3}{x^2 (a+b x)^3} \, dx=-\frac {3 c^2 \log (x) (b c-a d)}{a^4}+\frac {3 c^2 (b c-a d) \log (a+b x)}{a^4}-\frac {(b c-a d)^2 (a d+2 b c)}{a^3 b^2 (a+b x)}-\frac {c^3}{a^3 x}-\frac {(b c-a d)^3}{2 a^2 b^2 (a+b x)^2} \]
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Rule 90
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {c^3}{a^3 x^2}+\frac {3 c^2 (-b c+a d)}{a^4 x}-\frac {(-b c+a d)^3}{a^2 b (a+b x)^3}+\frac {(-b c+a d)^2 (2 b c+a d)}{a^3 b (a+b x)^2}-\frac {3 b c^2 (-b c+a d)}{a^4 (a+b x)}\right ) \, dx \\ & = -\frac {c^3}{a^3 x}-\frac {(b c-a d)^3}{2 a^2 b^2 (a+b x)^2}-\frac {(b c-a d)^2 (2 b c+a d)}{a^3 b^2 (a+b x)}-\frac {3 c^2 (b c-a d) \log (x)}{a^4}+\frac {3 c^2 (b c-a d) \log (a+b x)}{a^4} \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 106, normalized size of antiderivative = 0.95 \[ \int \frac {(c+d x)^3}{x^2 (a+b x)^3} \, dx=\frac {-\frac {2 a c^3}{x}+\frac {a^2 (-b c+a d)^3}{b^2 (a+b x)^2}-\frac {2 a (b c-a d)^2 (2 b c+a d)}{b^2 (a+b x)}+6 c^2 (-b c+a d) \log (x)+6 c^2 (b c-a d) \log (a+b x)}{2 a^4} \]
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Time = 0.47 (sec) , antiderivative size = 139, normalized size of antiderivative = 1.24
method | result | size |
norman | \(\frac {\frac {\left (3 a^{2} d^{2} c -6 b \,c^{2} d a +6 b^{2} c^{3}\right ) x^{2}}{a^{3}}-\frac {c^{3}}{a}+\frac {\left (a^{3} d^{3}+3 a^{2} b c \,d^{2}-9 a \,b^{2} c^{2} d +9 b^{3} c^{3}\right ) x^{3}}{2 a^{4}}}{x \left (b x +a \right )^{2}}+\frac {3 c^{2} \left (a d -b c \right ) \ln \left (x \right )}{a^{4}}-\frac {3 c^{2} \left (a d -b c \right ) \ln \left (b x +a \right )}{a^{4}}\) | \(139\) |
default | \(-\frac {c^{3}}{a^{3} x}+\frac {3 c^{2} \left (a d -b c \right ) \ln \left (x \right )}{a^{4}}-\frac {a^{3} d^{3}-3 a \,b^{2} c^{2} d +2 b^{3} c^{3}}{a^{3} b^{2} \left (b x +a \right )}-\frac {-a^{3} d^{3}+3 a^{2} b c \,d^{2}-3 a \,b^{2} c^{2} d +b^{3} c^{3}}{2 a^{2} b^{2} \left (b x +a \right )^{2}}-\frac {3 c^{2} \left (a d -b c \right ) \ln \left (b x +a \right )}{a^{4}}\) | \(145\) |
risch | \(\frac {-\frac {\left (a^{3} d^{3}-3 a \,b^{2} c^{2} d +3 b^{3} c^{3}\right ) x^{2}}{a^{3} b}-\frac {\left (a^{3} d^{3}+3 a^{2} b c \,d^{2}-9 a \,b^{2} c^{2} d +9 b^{3} c^{3}\right ) x}{2 b^{2} a^{2}}-\frac {c^{3}}{a}}{x \left (b x +a \right )^{2}}+\frac {3 c^{2} \ln \left (-x \right ) d}{a^{3}}-\frac {3 c^{3} \ln \left (-x \right ) b}{a^{4}}-\frac {3 c^{2} \ln \left (b x +a \right ) d}{a^{3}}+\frac {3 c^{3} \ln \left (b x +a \right ) b}{a^{4}}\) | \(160\) |
parallelrisch | \(\frac {6 \ln \left (x \right ) x^{3} a \,b^{2} c^{2} d -6 \ln \left (x \right ) x^{3} b^{3} c^{3}-6 \ln \left (b x +a \right ) x^{3} a \,b^{2} c^{2} d +6 \ln \left (b x +a \right ) x^{3} b^{3} c^{3}+12 \ln \left (x \right ) x^{2} a^{2} b \,c^{2} d -12 \ln \left (x \right ) x^{2} a \,b^{2} c^{3}-12 \ln \left (b x +a \right ) x^{2} a^{2} b \,c^{2} d +12 \ln \left (b x +a \right ) x^{2} a \,b^{2} c^{3}+x^{3} a^{3} d^{3}+3 x^{3} a^{2} b c \,d^{2}-9 x^{3} a \,b^{2} c^{2} d +9 x^{3} b^{3} c^{3}+6 \ln \left (x \right ) x \,a^{3} c^{2} d -6 \ln \left (x \right ) x \,a^{2} b \,c^{3}-6 \ln \left (b x +a \right ) x \,a^{3} c^{2} d +6 \ln \left (b x +a \right ) x \,a^{2} b \,c^{3}+6 a^{3} c \,d^{2} x^{2}-12 a^{2} b \,c^{2} d \,x^{2}+12 a \,b^{2} c^{3} x^{2}-2 c^{3} a^{3}}{2 a^{4} x \left (b x +a \right )^{2}}\) | \(295\) |
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Leaf count of result is larger than twice the leaf count of optimal. 284 vs. \(2 (110) = 220\).
Time = 0.22 (sec) , antiderivative size = 284, normalized size of antiderivative = 2.54 \[ \int \frac {(c+d x)^3}{x^2 (a+b x)^3} \, dx=-\frac {2 \, a^{3} b^{2} c^{3} + 2 \, {\left (3 \, a b^{4} c^{3} - 3 \, a^{2} b^{3} c^{2} d + a^{4} b d^{3}\right )} x^{2} + {\left (9 \, a^{2} b^{3} c^{3} - 9 \, a^{3} b^{2} c^{2} d + 3 \, a^{4} b c d^{2} + a^{5} d^{3}\right )} x - 6 \, {\left ({\left (b^{5} c^{3} - a b^{4} c^{2} d\right )} x^{3} + 2 \, {\left (a b^{4} c^{3} - a^{2} b^{3} c^{2} d\right )} x^{2} + {\left (a^{2} b^{3} c^{3} - a^{3} b^{2} c^{2} d\right )} x\right )} \log \left (b x + a\right ) + 6 \, {\left ({\left (b^{5} c^{3} - a b^{4} c^{2} d\right )} x^{3} + 2 \, {\left (a b^{4} c^{3} - a^{2} b^{3} c^{2} d\right )} x^{2} + {\left (a^{2} b^{3} c^{3} - a^{3} b^{2} c^{2} d\right )} x\right )} \log \left (x\right )}{2 \, {\left (a^{4} b^{4} x^{3} + 2 \, a^{5} b^{3} x^{2} + a^{6} b^{2} x\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 262 vs. \(2 (100) = 200\).
Time = 0.70 (sec) , antiderivative size = 262, normalized size of antiderivative = 2.34 \[ \int \frac {(c+d x)^3}{x^2 (a+b x)^3} \, dx=\frac {- 2 a^{2} b^{2} c^{3} + x^{2} \left (- 2 a^{3} b d^{3} + 6 a b^{3} c^{2} d - 6 b^{4} c^{3}\right ) + x \left (- a^{4} d^{3} - 3 a^{3} b c d^{2} + 9 a^{2} b^{2} c^{2} d - 9 a b^{3} c^{3}\right )}{2 a^{5} b^{2} x + 4 a^{4} b^{3} x^{2} + 2 a^{3} b^{4} x^{3}} + \frac {3 c^{2} \left (a d - b c\right ) \log {\left (x + \frac {3 a^{2} c^{2} d - 3 a b c^{3} - 3 a c^{2} \left (a d - b c\right )}{6 a b c^{2} d - 6 b^{2} c^{3}} \right )}}{a^{4}} - \frac {3 c^{2} \left (a d - b c\right ) \log {\left (x + \frac {3 a^{2} c^{2} d - 3 a b c^{3} + 3 a c^{2} \left (a d - b c\right )}{6 a b c^{2} d - 6 b^{2} c^{3}} \right )}}{a^{4}} \]
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Time = 0.21 (sec) , antiderivative size = 164, normalized size of antiderivative = 1.46 \[ \int \frac {(c+d x)^3}{x^2 (a+b x)^3} \, dx=-\frac {2 \, a^{2} b^{2} c^{3} + 2 \, {\left (3 \, b^{4} c^{3} - 3 \, a b^{3} c^{2} d + a^{3} b d^{3}\right )} x^{2} + {\left (9 \, a b^{3} c^{3} - 9 \, a^{2} b^{2} c^{2} d + 3 \, a^{3} b c d^{2} + a^{4} d^{3}\right )} x}{2 \, {\left (a^{3} b^{4} x^{3} + 2 \, a^{4} b^{3} x^{2} + a^{5} b^{2} x\right )}} + \frac {3 \, {\left (b c^{3} - a c^{2} d\right )} \log \left (b x + a\right )}{a^{4}} - \frac {3 \, {\left (b c^{3} - a c^{2} d\right )} \log \left (x\right )}{a^{4}} \]
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Time = 0.28 (sec) , antiderivative size = 161, normalized size of antiderivative = 1.44 \[ \int \frac {(c+d x)^3}{x^2 (a+b x)^3} \, dx=-\frac {3 \, {\left (b c^{3} - a c^{2} d\right )} \log \left ({\left | x \right |}\right )}{a^{4}} + \frac {3 \, {\left (b^{2} c^{3} - a b c^{2} d\right )} \log \left ({\left | b x + a \right |}\right )}{a^{4} b} - \frac {2 \, a^{3} b^{2} c^{3} + 2 \, {\left (3 \, a b^{4} c^{3} - 3 \, a^{2} b^{3} c^{2} d + a^{4} b d^{3}\right )} x^{2} + {\left (9 \, a^{2} b^{3} c^{3} - 9 \, a^{3} b^{2} c^{2} d + 3 \, a^{4} b c d^{2} + a^{5} d^{3}\right )} x}{2 \, {\left (b x + a\right )}^{2} a^{4} b^{2} x} \]
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Time = 0.12 (sec) , antiderivative size = 169, normalized size of antiderivative = 1.51 \[ \int \frac {(c+d x)^3}{x^2 (a+b x)^3} \, dx=\frac {6\,c^2\,\mathrm {atanh}\left (\frac {3\,c^2\,\left (a\,d-b\,c\right )\,\left (a+2\,b\,x\right )}{a\,\left (3\,b\,c^3-3\,a\,c^2\,d\right )}\right )\,\left (a\,d-b\,c\right )}{a^4}-\frac {\frac {c^3}{a}+\frac {x^2\,\left (a^3\,d^3-3\,a\,b^2\,c^2\,d+3\,b^3\,c^3\right )}{a^3\,b}+\frac {x\,\left (a^3\,d^3+3\,a^2\,b\,c\,d^2-9\,a\,b^2\,c^2\,d+9\,b^3\,c^3\right )}{2\,a^2\,b^2}}{a^2\,x+2\,a\,b\,x^2+b^2\,x^3} \]
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