Integrand size = 29, antiderivative size = 78 \[ \int \frac {(a+b x)^6}{\left (a c+(b c+a d) x+b d x^2\right )^3} \, dx=\frac {b^3 x}{d^3}+\frac {(b c-a d)^3}{2 d^4 (c+d x)^2}-\frac {3 b (b c-a d)^2}{d^4 (c+d x)}-\frac {3 b^2 (b c-a d) \log (c+d x)}{d^4} \]
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Time = 0.04 (sec) , antiderivative size = 78, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.069, Rules used = {640, 45} \[ \int \frac {(a+b x)^6}{\left (a c+(b c+a d) x+b d x^2\right )^3} \, dx=-\frac {3 b^2 (b c-a d) \log (c+d x)}{d^4}-\frac {3 b (b c-a d)^2}{d^4 (c+d x)}+\frac {(b c-a d)^3}{2 d^4 (c+d x)^2}+\frac {b^3 x}{d^3} \]
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Rule 45
Rule 640
Rubi steps \begin{align*} \text {integral}& = \int \frac {(a+b x)^3}{(c+d x)^3} \, dx \\ & = \int \left (\frac {b^3}{d^3}+\frac {(-b c+a d)^3}{d^3 (c+d x)^3}+\frac {3 b (b c-a d)^2}{d^3 (c+d x)^2}-\frac {3 b^2 (b c-a d)}{d^3 (c+d x)}\right ) \, dx \\ & = \frac {b^3 x}{d^3}+\frac {(b c-a d)^3}{2 d^4 (c+d x)^2}-\frac {3 b (b c-a d)^2}{d^4 (c+d x)}-\frac {3 b^2 (b c-a d) \log (c+d x)}{d^4} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 114, normalized size of antiderivative = 1.46 \[ \int \frac {(a+b x)^6}{\left (a c+(b c+a d) x+b d x^2\right )^3} \, dx=\frac {-a^3 d^3-3 a^2 b d^2 (c+2 d x)+3 a b^2 c d (3 c+4 d x)+b^3 \left (-5 c^3-4 c^2 d x+4 c d^2 x^2+2 d^3 x^3\right )-6 b^2 (b c-a d) (c+d x)^2 \log (c+d x)}{2 d^4 (c+d x)^2} \]
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Time = 2.71 (sec) , antiderivative size = 114, normalized size of antiderivative = 1.46
method | result | size |
default | \(\frac {b^{3} x}{d^{3}}-\frac {a^{3} d^{3}-3 a^{2} b c \,d^{2}+3 a \,b^{2} c^{2} d -b^{3} c^{3}}{2 d^{4} \left (d x +c \right )^{2}}+\frac {3 b^{2} \left (a d -b c \right ) \ln \left (d x +c \right )}{d^{4}}-\frac {3 b \left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right )}{d^{4} \left (d x +c \right )}\) | \(114\) |
risch | \(\frac {b^{3} x}{d^{3}}+\frac {\left (-3 a^{2} b \,d^{2}+6 a \,b^{2} c d -3 c^{2} b^{3}\right ) x -\frac {a^{3} d^{3}+3 a^{2} b c \,d^{2}-9 a \,b^{2} c^{2} d +5 b^{3} c^{3}}{2 d}}{d^{3} \left (d x +c \right )^{2}}+\frac {3 b^{2} \ln \left (d x +c \right ) a}{d^{3}}-\frac {3 b^{3} \ln \left (d x +c \right ) c}{d^{4}}\) | \(121\) |
parallelrisch | \(\frac {6 \ln \left (d x +c \right ) x^{2} a \,b^{2} d^{3}-6 \ln \left (d x +c \right ) x^{2} b^{3} c \,d^{2}+2 d^{3} x^{3} b^{3}+12 \ln \left (d x +c \right ) x a \,b^{2} c \,d^{2}-12 \ln \left (d x +c \right ) x \,b^{3} c^{2} d +6 \ln \left (d x +c \right ) a \,b^{2} c^{2} d -6 \ln \left (d x +c \right ) b^{3} c^{3}-6 x \,a^{2} b \,d^{3}+12 x a \,b^{2} c \,d^{2}-12 x \,b^{3} c^{2} d -a^{3} d^{3}-3 a^{2} b c \,d^{2}+9 a \,b^{2} c^{2} d -9 b^{3} c^{3}}{2 d^{4} \left (d x +c \right )^{2}}\) | \(191\) |
norman | \(\frac {\frac {b^{5} x^{5}}{d}-\frac {\left (17 a^{3} b^{4} d^{3}-5 a^{2} b^{5} c \,d^{2}+19 a \,c^{2} d \,b^{6}+9 c^{3} b^{7}\right ) x^{2}}{2 d^{4} b^{2}}-\frac {2 \left (3 a^{2} b^{4} d^{2}-a c d \,b^{5}+3 c^{2} b^{6}\right ) x^{3}}{d^{3} b}-\frac {\left (a^{3} b^{2} d^{3}+3 a^{2} b^{3} c \,d^{2}-5 a \,b^{4} c^{2} d +9 b^{5} c^{3}\right ) a^{2}}{2 d^{4} b^{2}}-\frac {a \left (4 a^{3} b^{3} d^{3}+a^{2} b^{4} c \,d^{2}+c^{2} d a \,b^{5}+9 c^{3} b^{6}\right ) x}{d^{4} b^{2}}}{\left (b x +a \right )^{2} \left (d x +c \right )^{2}}+\frac {3 b^{2} \left (a d -b c \right ) \ln \left (d x +c \right )}{d^{4}}\) | \(244\) |
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Leaf count of result is larger than twice the leaf count of optimal. 188 vs. \(2 (76) = 152\).
Time = 0.26 (sec) , antiderivative size = 188, normalized size of antiderivative = 2.41 \[ \int \frac {(a+b x)^6}{\left (a c+(b c+a d) x+b d x^2\right )^3} \, dx=\frac {2 \, b^{3} d^{3} x^{3} + 4 \, b^{3} c d^{2} x^{2} - 5 \, b^{3} c^{3} + 9 \, a b^{2} c^{2} d - 3 \, a^{2} b c d^{2} - a^{3} d^{3} - 2 \, {\left (2 \, b^{3} c^{2} d - 6 \, a b^{2} c d^{2} + 3 \, a^{2} b d^{3}\right )} x - 6 \, {\left (b^{3} c^{3} - a b^{2} c^{2} d + {\left (b^{3} c d^{2} - a b^{2} d^{3}\right )} x^{2} + 2 \, {\left (b^{3} c^{2} d - a b^{2} c d^{2}\right )} x\right )} \log \left (d x + c\right )}{2 \, {\left (d^{6} x^{2} + 2 \, c d^{5} x + c^{2} d^{4}\right )}} \]
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Time = 0.50 (sec) , antiderivative size = 128, normalized size of antiderivative = 1.64 \[ \int \frac {(a+b x)^6}{\left (a c+(b c+a d) x+b d x^2\right )^3} \, dx=\frac {b^{3} x}{d^{3}} + \frac {3 b^{2} \left (a d - b c\right ) \log {\left (c + d x \right )}}{d^{4}} + \frac {- a^{3} d^{3} - 3 a^{2} b c d^{2} + 9 a b^{2} c^{2} d - 5 b^{3} c^{3} + x \left (- 6 a^{2} b d^{3} + 12 a b^{2} c d^{2} - 6 b^{3} c^{2} d\right )}{2 c^{2} d^{4} + 4 c d^{5} x + 2 d^{6} x^{2}} \]
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Time = 0.20 (sec) , antiderivative size = 125, normalized size of antiderivative = 1.60 \[ \int \frac {(a+b x)^6}{\left (a c+(b c+a d) x+b d x^2\right )^3} \, dx=\frac {b^{3} x}{d^{3}} - \frac {5 \, b^{3} c^{3} - 9 \, a b^{2} c^{2} d + 3 \, a^{2} b c d^{2} + a^{3} d^{3} + 6 \, {\left (b^{3} c^{2} d - 2 \, a b^{2} c d^{2} + a^{2} b d^{3}\right )} x}{2 \, {\left (d^{6} x^{2} + 2 \, c d^{5} x + c^{2} d^{4}\right )}} - \frac {3 \, {\left (b^{3} c - a b^{2} d\right )} \log \left (d x + c\right )}{d^{4}} \]
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Time = 0.27 (sec) , antiderivative size = 112, normalized size of antiderivative = 1.44 \[ \int \frac {(a+b x)^6}{\left (a c+(b c+a d) x+b d x^2\right )^3} \, dx=\frac {b^{3} x}{d^{3}} - \frac {3 \, {\left (b^{3} c - a b^{2} d\right )} \log \left ({\left | d x + c \right |}\right )}{d^{4}} - \frac {5 \, b^{3} c^{3} - 9 \, a b^{2} c^{2} d + 3 \, a^{2} b c d^{2} + a^{3} d^{3} + 6 \, {\left (b^{3} c^{2} d - 2 \, a b^{2} c d^{2} + a^{2} b d^{3}\right )} x}{2 \, {\left (d x + c\right )}^{2} d^{4}} \]
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Time = 9.73 (sec) , antiderivative size = 130, normalized size of antiderivative = 1.67 \[ \int \frac {(a+b x)^6}{\left (a c+(b c+a d) x+b d x^2\right )^3} \, dx=\frac {b^3\,x}{d^3}-\frac {\ln \left (c+d\,x\right )\,\left (3\,b^3\,c-3\,a\,b^2\,d\right )}{d^4}-\frac {\frac {a^3\,d^3+3\,a^2\,b\,c\,d^2-9\,a\,b^2\,c^2\,d+5\,b^3\,c^3}{2\,d}+x\,\left (3\,a^2\,b\,d^2-6\,a\,b^2\,c\,d+3\,b^3\,c^2\right )}{c^2\,d^3+2\,c\,d^4\,x+d^5\,x^2} \]
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