Integrand size = 26, antiderivative size = 133 \[ \int \frac {1}{(d+e x)^4 \left (a^2+2 a b x+b^2 x^2\right )} \, dx=-\frac {b^3}{(b d-a e)^4 (a+b x)}-\frac {e}{3 (b d-a e)^2 (d+e x)^3}-\frac {b e}{(b d-a e)^3 (d+e x)^2}-\frac {3 b^2 e}{(b d-a e)^4 (d+e x)}-\frac {4 b^3 e \log (a+b x)}{(b d-a e)^5}+\frac {4 b^3 e \log (d+e x)}{(b d-a e)^5} \]
[Out]
Time = 0.08 (sec) , antiderivative size = 133, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {27, 46} \[ \int \frac {1}{(d+e x)^4 \left (a^2+2 a b x+b^2 x^2\right )} \, dx=-\frac {b^3}{(a+b x) (b d-a e)^4}-\frac {4 b^3 e \log (a+b x)}{(b d-a e)^5}+\frac {4 b^3 e \log (d+e x)}{(b d-a e)^5}-\frac {3 b^2 e}{(d+e x) (b d-a e)^4}-\frac {b e}{(d+e x)^2 (b d-a e)^3}-\frac {e}{3 (d+e x)^3 (b d-a e)^2} \]
[In]
[Out]
Rule 27
Rule 46
Rubi steps \begin{align*} \text {integral}& = \int \frac {1}{(a+b x)^2 (d+e x)^4} \, dx \\ & = \int \left (\frac {b^4}{(b d-a e)^4 (a+b x)^2}-\frac {4 b^4 e}{(b d-a e)^5 (a+b x)}+\frac {e^2}{(b d-a e)^2 (d+e x)^4}+\frac {2 b e^2}{(b d-a e)^3 (d+e x)^3}+\frac {3 b^2 e^2}{(b d-a e)^4 (d+e x)^2}+\frac {4 b^3 e^2}{(b d-a e)^5 (d+e x)}\right ) \, dx \\ & = -\frac {b^3}{(b d-a e)^4 (a+b x)}-\frac {e}{3 (b d-a e)^2 (d+e x)^3}-\frac {b e}{(b d-a e)^3 (d+e x)^2}-\frac {3 b^2 e}{(b d-a e)^4 (d+e x)}-\frac {4 b^3 e \log (a+b x)}{(b d-a e)^5}+\frac {4 b^3 e \log (d+e x)}{(b d-a e)^5} \\ \end{align*}
Time = 0.08 (sec) , antiderivative size = 120, normalized size of antiderivative = 0.90 \[ \int \frac {1}{(d+e x)^4 \left (a^2+2 a b x+b^2 x^2\right )} \, dx=\frac {-\frac {3 b^3 (b d-a e)}{a+b x}+\frac {e (-b d+a e)^3}{(d+e x)^3}-\frac {3 b e (b d-a e)^2}{(d+e x)^2}-\frac {9 b^2 e (b d-a e)}{d+e x}-12 b^3 e \log (a+b x)+12 b^3 e \log (d+e x)}{3 (b d-a e)^5} \]
[In]
[Out]
Time = 2.68 (sec) , antiderivative size = 131, normalized size of antiderivative = 0.98
method | result | size |
default | \(-\frac {b^{3}}{\left (a e -b d \right )^{4} \left (b x +a \right )}+\frac {4 b^{3} e \ln \left (b x +a \right )}{\left (a e -b d \right )^{5}}-\frac {e}{3 \left (a e -b d \right )^{2} \left (e x +d \right )^{3}}-\frac {4 b^{3} e \ln \left (e x +d \right )}{\left (a e -b d \right )^{5}}-\frac {3 e \,b^{2}}{\left (a e -b d \right )^{4} \left (e x +d \right )}+\frac {e b}{\left (a e -b d \right )^{3} \left (e x +d \right )^{2}}\) | \(131\) |
risch | \(\frac {-\frac {4 b^{3} e^{3} x^{3}}{e^{4} a^{4}-4 b \,e^{3} d \,a^{3}+6 b^{2} e^{2} d^{2} a^{2}-4 a \,b^{3} d^{3} e +b^{4} d^{4}}-\frac {2 e^{2} \left (a e +5 b d \right ) b^{2} x^{2}}{e^{4} a^{4}-4 b \,e^{3} d \,a^{3}+6 b^{2} e^{2} d^{2} a^{2}-4 a \,b^{3} d^{3} e +b^{4} d^{4}}+\frac {2 \left (a^{2} e^{2}-8 a b d e -11 b^{2} d^{2}\right ) b e x}{3 \left (e^{4} a^{4}-4 b \,e^{3} d \,a^{3}+6 b^{2} e^{2} d^{2} a^{2}-4 a \,b^{3} d^{3} e +b^{4} d^{4}\right )}-\frac {a^{3} e^{3}-5 a^{2} b d \,e^{2}+13 a \,b^{2} d^{2} e +3 b^{3} d^{3}}{3 \left (e^{4} a^{4}-4 b \,e^{3} d \,a^{3}+6 b^{2} e^{2} d^{2} a^{2}-4 a \,b^{3} d^{3} e +b^{4} d^{4}\right )}}{\left (e x +d \right )^{3} \left (b x +a \right )}+\frac {4 b^{3} e \ln \left (-b x -a \right )}{a^{5} e^{5}-5 a^{4} b d \,e^{4}+10 a^{3} b^{2} d^{2} e^{3}-10 a^{2} b^{3} d^{3} e^{2}+5 a \,b^{4} d^{4} e -b^{5} d^{5}}-\frac {4 b^{3} e \ln \left (e x +d \right )}{a^{5} e^{5}-5 a^{4} b d \,e^{4}+10 a^{3} b^{2} d^{2} e^{3}-10 a^{2} b^{3} d^{3} e^{2}+5 a \,b^{4} d^{4} e -b^{5} d^{5}}\) | \(476\) |
norman | \(\frac {-\frac {4 b^{3} e^{3} x^{3}}{e^{4} a^{4}-4 b \,e^{3} d \,a^{3}+6 b^{2} e^{2} d^{2} a^{2}-4 a \,b^{3} d^{3} e +b^{4} d^{4}}+\frac {\left (-2 a \,b^{3} e^{5}-10 b^{4} d \,e^{4}\right ) x^{2}}{b \,e^{2} \left (e^{4} a^{4}-4 b \,e^{3} d \,a^{3}+6 b^{2} e^{2} d^{2} a^{2}-4 a \,b^{3} d^{3} e +b^{4} d^{4}\right )}+\frac {-a^{3} b \,e^{6}+5 a^{2} b^{2} d \,e^{5}-13 a \,b^{3} d^{2} e^{4}-3 b^{4} d^{3} e^{3}}{3 e^{3} b \left (e^{4} a^{4}-4 b \,e^{3} d \,a^{3}+6 b^{2} e^{2} d^{2} a^{2}-4 a \,b^{3} d^{3} e +b^{4} d^{4}\right )}+\frac {\left (2 a^{2} b^{2} e^{6}-16 a \,b^{3} d \,e^{5}-22 b^{4} d^{2} e^{4}\right ) x}{3 e^{3} b \left (e^{4} a^{4}-4 b \,e^{3} d \,a^{3}+6 b^{2} e^{2} d^{2} a^{2}-4 a \,b^{3} d^{3} e +b^{4} d^{4}\right )}}{\left (e x +d \right )^{3} \left (b x +a \right )}+\frac {4 b^{3} e \ln \left (b x +a \right )}{a^{5} e^{5}-5 a^{4} b d \,e^{4}+10 a^{3} b^{2} d^{2} e^{3}-10 a^{2} b^{3} d^{3} e^{2}+5 a \,b^{4} d^{4} e -b^{5} d^{5}}-\frac {4 b^{3} e \ln \left (e x +d \right )}{a^{5} e^{5}-5 a^{4} b d \,e^{4}+10 a^{3} b^{2} d^{2} e^{3}-10 a^{2} b^{3} d^{3} e^{2}+5 a \,b^{4} d^{4} e -b^{5} d^{5}}\) | \(513\) |
parallelrisch | \(\frac {-a^{4} b \,e^{7}-36 \ln \left (e x +d \right ) x^{2} a \,b^{4} d \,e^{6}+10 a \,b^{4} d^{3} e^{4}+12 \ln \left (b x +a \right ) x^{3} a \,b^{4} e^{7}+36 \ln \left (b x +a \right ) x^{3} b^{5} d \,e^{6}-12 \ln \left (e x +d \right ) x^{3} a \,b^{4} e^{7}-36 \ln \left (e x +d \right ) x^{3} b^{5} d \,e^{6}+36 \ln \left (b x +a \right ) x^{2} b^{5} d^{2} e^{5}-36 \ln \left (e x +d \right ) x^{2} b^{5} d^{2} e^{5}+12 \ln \left (b x +a \right ) x \,b^{5} d^{3} e^{4}-12 \ln \left (e x +d \right ) x \,b^{5} d^{3} e^{4}+12 \ln \left (b x +a \right ) a \,b^{4} d^{3} e^{4}-12 \ln \left (e x +d \right ) a \,b^{4} d^{3} e^{4}-24 x^{2} a \,b^{4} d \,e^{6}-18 x \,a^{2} b^{3} d \,e^{6}-6 x a \,b^{4} d^{2} e^{5}+36 \ln \left (b x +a \right ) x a \,b^{4} d^{2} e^{5}-36 \ln \left (e x +d \right ) x a \,b^{4} d^{2} e^{5}+36 \ln \left (b x +a \right ) x^{2} a \,b^{4} d \,e^{6}+3 b^{5} d^{4} e^{3}+6 a^{3} b^{2} d \,e^{6}-18 a^{2} b^{3} d^{2} e^{5}-12 x^{3} a \,b^{4} e^{7}+12 x^{3} b^{5} d \,e^{6}-6 x^{2} a^{2} b^{3} e^{7}+30 x^{2} b^{5} d^{2} e^{5}+2 x \,a^{3} b^{2} e^{7}+22 x \,b^{5} d^{3} e^{4}+12 \ln \left (b x +a \right ) x^{4} b^{5} e^{7}-12 \ln \left (e x +d \right ) x^{4} b^{5} e^{7}}{3 \left (a^{5} e^{5}-5 a^{4} b d \,e^{4}+10 a^{3} b^{2} d^{2} e^{3}-10 a^{2} b^{3} d^{3} e^{2}+5 a \,b^{4} d^{4} e -b^{5} d^{5}\right ) \left (e x +d \right )^{3} \left (b x +a \right ) b \,e^{3}}\) | \(557\) |
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 753 vs. \(2 (131) = 262\).
Time = 0.32 (sec) , antiderivative size = 753, normalized size of antiderivative = 5.66 \[ \int \frac {1}{(d+e x)^4 \left (a^2+2 a b x+b^2 x^2\right )} \, dx=-\frac {3 \, b^{4} d^{4} + 10 \, a b^{3} d^{3} e - 18 \, a^{2} b^{2} d^{2} e^{2} + 6 \, a^{3} b d e^{3} - a^{4} e^{4} + 12 \, {\left (b^{4} d e^{3} - a b^{3} e^{4}\right )} x^{3} + 6 \, {\left (5 \, b^{4} d^{2} e^{2} - 4 \, a b^{3} d e^{3} - a^{2} b^{2} e^{4}\right )} x^{2} + 2 \, {\left (11 \, b^{4} d^{3} e - 3 \, a b^{3} d^{2} e^{2} - 9 \, a^{2} b^{2} d e^{3} + a^{3} b e^{4}\right )} x + 12 \, {\left (b^{4} e^{4} x^{4} + a b^{3} d^{3} e + {\left (3 \, b^{4} d e^{3} + a b^{3} e^{4}\right )} x^{3} + 3 \, {\left (b^{4} d^{2} e^{2} + a b^{3} d e^{3}\right )} x^{2} + {\left (b^{4} d^{3} e + 3 \, a b^{3} d^{2} e^{2}\right )} x\right )} \log \left (b x + a\right ) - 12 \, {\left (b^{4} e^{4} x^{4} + a b^{3} d^{3} e + {\left (3 \, b^{4} d e^{3} + a b^{3} e^{4}\right )} x^{3} + 3 \, {\left (b^{4} d^{2} e^{2} + a b^{3} d e^{3}\right )} x^{2} + {\left (b^{4} d^{3} e + 3 \, a b^{3} d^{2} e^{2}\right )} x\right )} \log \left (e x + d\right )}{3 \, {\left (a b^{5} d^{8} - 5 \, a^{2} b^{4} d^{7} e + 10 \, a^{3} b^{3} d^{6} e^{2} - 10 \, a^{4} b^{2} d^{5} e^{3} + 5 \, a^{5} b d^{4} e^{4} - a^{6} d^{3} e^{5} + {\left (b^{6} d^{5} e^{3} - 5 \, a b^{5} d^{4} e^{4} + 10 \, a^{2} b^{4} d^{3} e^{5} - 10 \, a^{3} b^{3} d^{2} e^{6} + 5 \, a^{4} b^{2} d e^{7} - a^{5} b e^{8}\right )} x^{4} + {\left (3 \, b^{6} d^{6} e^{2} - 14 \, a b^{5} d^{5} e^{3} + 25 \, a^{2} b^{4} d^{4} e^{4} - 20 \, a^{3} b^{3} d^{3} e^{5} + 5 \, a^{4} b^{2} d^{2} e^{6} + 2 \, a^{5} b d e^{7} - a^{6} e^{8}\right )} x^{3} + 3 \, {\left (b^{6} d^{7} e - 4 \, a b^{5} d^{6} e^{2} + 5 \, a^{2} b^{4} d^{5} e^{3} - 5 \, a^{4} b^{2} d^{3} e^{5} + 4 \, a^{5} b d^{2} e^{6} - a^{6} d e^{7}\right )} x^{2} + {\left (b^{6} d^{8} - 2 \, a b^{5} d^{7} e - 5 \, a^{2} b^{4} d^{6} e^{2} + 20 \, a^{3} b^{3} d^{5} e^{3} - 25 \, a^{4} b^{2} d^{4} e^{4} + 14 \, a^{5} b d^{3} e^{5} - 3 \, a^{6} d^{2} e^{6}\right )} x\right )}} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 882 vs. \(2 (117) = 234\).
Time = 1.31 (sec) , antiderivative size = 882, normalized size of antiderivative = 6.63 \[ \int \frac {1}{(d+e x)^4 \left (a^2+2 a b x+b^2 x^2\right )} \, dx=- \frac {4 b^{3} e \log {\left (x + \frac {- \frac {4 a^{6} b^{3} e^{7}}{\left (a e - b d\right )^{5}} + \frac {24 a^{5} b^{4} d e^{6}}{\left (a e - b d\right )^{5}} - \frac {60 a^{4} b^{5} d^{2} e^{5}}{\left (a e - b d\right )^{5}} + \frac {80 a^{3} b^{6} d^{3} e^{4}}{\left (a e - b d\right )^{5}} - \frac {60 a^{2} b^{7} d^{4} e^{3}}{\left (a e - b d\right )^{5}} + \frac {24 a b^{8} d^{5} e^{2}}{\left (a e - b d\right )^{5}} + 4 a b^{3} e^{2} - \frac {4 b^{9} d^{6} e}{\left (a e - b d\right )^{5}} + 4 b^{4} d e}{8 b^{4} e^{2}} \right )}}{\left (a e - b d\right )^{5}} + \frac {4 b^{3} e \log {\left (x + \frac {\frac {4 a^{6} b^{3} e^{7}}{\left (a e - b d\right )^{5}} - \frac {24 a^{5} b^{4} d e^{6}}{\left (a e - b d\right )^{5}} + \frac {60 a^{4} b^{5} d^{2} e^{5}}{\left (a e - b d\right )^{5}} - \frac {80 a^{3} b^{6} d^{3} e^{4}}{\left (a e - b d\right )^{5}} + \frac {60 a^{2} b^{7} d^{4} e^{3}}{\left (a e - b d\right )^{5}} - \frac {24 a b^{8} d^{5} e^{2}}{\left (a e - b d\right )^{5}} + 4 a b^{3} e^{2} + \frac {4 b^{9} d^{6} e}{\left (a e - b d\right )^{5}} + 4 b^{4} d e}{8 b^{4} e^{2}} \right )}}{\left (a e - b d\right )^{5}} + \frac {- a^{3} e^{3} + 5 a^{2} b d e^{2} - 13 a b^{2} d^{2} e - 3 b^{3} d^{3} - 12 b^{3} e^{3} x^{3} + x^{2} \left (- 6 a b^{2} e^{3} - 30 b^{3} d e^{2}\right ) + x \left (2 a^{2} b e^{3} - 16 a b^{2} d e^{2} - 22 b^{3} d^{2} e\right )}{3 a^{5} d^{3} e^{4} - 12 a^{4} b d^{4} e^{3} + 18 a^{3} b^{2} d^{5} e^{2} - 12 a^{2} b^{3} d^{6} e + 3 a b^{4} d^{7} + x^{4} \cdot \left (3 a^{4} b e^{7} - 12 a^{3} b^{2} d e^{6} + 18 a^{2} b^{3} d^{2} e^{5} - 12 a b^{4} d^{3} e^{4} + 3 b^{5} d^{4} e^{3}\right ) + x^{3} \cdot \left (3 a^{5} e^{7} - 3 a^{4} b d e^{6} - 18 a^{3} b^{2} d^{2} e^{5} + 42 a^{2} b^{3} d^{3} e^{4} - 33 a b^{4} d^{4} e^{3} + 9 b^{5} d^{5} e^{2}\right ) + x^{2} \cdot \left (9 a^{5} d e^{6} - 27 a^{4} b d^{2} e^{5} + 18 a^{3} b^{2} d^{3} e^{4} + 18 a^{2} b^{3} d^{4} e^{3} - 27 a b^{4} d^{5} e^{2} + 9 b^{5} d^{6} e\right ) + x \left (9 a^{5} d^{2} e^{5} - 33 a^{4} b d^{3} e^{4} + 42 a^{3} b^{2} d^{4} e^{3} - 18 a^{2} b^{3} d^{5} e^{2} - 3 a b^{4} d^{6} e + 3 b^{5} d^{7}\right )} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 599 vs. \(2 (131) = 262\).
Time = 0.24 (sec) , antiderivative size = 599, normalized size of antiderivative = 4.50 \[ \int \frac {1}{(d+e x)^4 \left (a^2+2 a b x+b^2 x^2\right )} \, dx=-\frac {4 \, b^{3} e \log \left (b x + a\right )}{b^{5} d^{5} - 5 \, a b^{4} d^{4} e + 10 \, a^{2} b^{3} d^{3} e^{2} - 10 \, a^{3} b^{2} d^{2} e^{3} + 5 \, a^{4} b d e^{4} - a^{5} e^{5}} + \frac {4 \, b^{3} e \log \left (e x + d\right )}{b^{5} d^{5} - 5 \, a b^{4} d^{4} e + 10 \, a^{2} b^{3} d^{3} e^{2} - 10 \, a^{3} b^{2} d^{2} e^{3} + 5 \, a^{4} b d e^{4} - a^{5} e^{5}} - \frac {12 \, b^{3} e^{3} x^{3} + 3 \, b^{3} d^{3} + 13 \, a b^{2} d^{2} e - 5 \, a^{2} b d e^{2} + a^{3} e^{3} + 6 \, {\left (5 \, b^{3} d e^{2} + a b^{2} e^{3}\right )} x^{2} + 2 \, {\left (11 \, b^{3} d^{2} e + 8 \, a b^{2} d e^{2} - a^{2} b e^{3}\right )} x}{3 \, {\left (a b^{4} d^{7} - 4 \, a^{2} b^{3} d^{6} e + 6 \, a^{3} b^{2} d^{5} e^{2} - 4 \, a^{4} b d^{4} e^{3} + a^{5} d^{3} e^{4} + {\left (b^{5} d^{4} e^{3} - 4 \, a b^{4} d^{3} e^{4} + 6 \, a^{2} b^{3} d^{2} e^{5} - 4 \, a^{3} b^{2} d e^{6} + a^{4} b e^{7}\right )} x^{4} + {\left (3 \, b^{5} d^{5} e^{2} - 11 \, a b^{4} d^{4} e^{3} + 14 \, a^{2} b^{3} d^{3} e^{4} - 6 \, a^{3} b^{2} d^{2} e^{5} - a^{4} b d e^{6} + a^{5} e^{7}\right )} x^{3} + 3 \, {\left (b^{5} d^{6} e - 3 \, a b^{4} d^{5} e^{2} + 2 \, a^{2} b^{3} d^{4} e^{3} + 2 \, a^{3} b^{2} d^{3} e^{4} - 3 \, a^{4} b d^{2} e^{5} + a^{5} d e^{6}\right )} x^{2} + {\left (b^{5} d^{7} - a b^{4} d^{6} e - 6 \, a^{2} b^{3} d^{5} e^{2} + 14 \, a^{3} b^{2} d^{4} e^{3} - 11 \, a^{4} b d^{3} e^{4} + 3 \, a^{5} d^{2} e^{5}\right )} x\right )}} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 350 vs. \(2 (131) = 262\).
Time = 0.26 (sec) , antiderivative size = 350, normalized size of antiderivative = 2.63 \[ \int \frac {1}{(d+e x)^4 \left (a^2+2 a b x+b^2 x^2\right )} \, dx=-\frac {4 \, b^{4} e \log \left ({\left | b x + a \right |}\right )}{b^{6} d^{5} - 5 \, a b^{5} d^{4} e + 10 \, a^{2} b^{4} d^{3} e^{2} - 10 \, a^{3} b^{3} d^{2} e^{3} + 5 \, a^{4} b^{2} d e^{4} - a^{5} b e^{5}} + \frac {4 \, b^{3} e^{2} \log \left ({\left | e x + d \right |}\right )}{b^{5} d^{5} e - 5 \, a b^{4} d^{4} e^{2} + 10 \, a^{2} b^{3} d^{3} e^{3} - 10 \, a^{3} b^{2} d^{2} e^{4} + 5 \, a^{4} b d e^{5} - a^{5} e^{6}} - \frac {3 \, b^{4} d^{4} + 10 \, a b^{3} d^{3} e - 18 \, a^{2} b^{2} d^{2} e^{2} + 6 \, a^{3} b d e^{3} - a^{4} e^{4} + 12 \, {\left (b^{4} d e^{3} - a b^{3} e^{4}\right )} x^{3} + 6 \, {\left (5 \, b^{4} d^{2} e^{2} - 4 \, a b^{3} d e^{3} - a^{2} b^{2} e^{4}\right )} x^{2} + 2 \, {\left (11 \, b^{4} d^{3} e - 3 \, a b^{3} d^{2} e^{2} - 9 \, a^{2} b^{2} d e^{3} + a^{3} b e^{4}\right )} x}{3 \, {\left (b d - a e\right )}^{5} {\left (b x + a\right )} {\left (e x + d\right )}^{3}} \]
[In]
[Out]
Time = 10.47 (sec) , antiderivative size = 534, normalized size of antiderivative = 4.02 \[ \int \frac {1}{(d+e x)^4 \left (a^2+2 a b x+b^2 x^2\right )} \, dx=\frac {8\,b^3\,e\,\mathrm {atanh}\left (\frac {a^5\,e^5-3\,a^4\,b\,d\,e^4+2\,a^3\,b^2\,d^2\,e^3+2\,a^2\,b^3\,d^3\,e^2-3\,a\,b^4\,d^4\,e+b^5\,d^5}{{\left (a\,e-b\,d\right )}^5}+\frac {2\,b\,e\,x\,\left (a^4\,e^4-4\,a^3\,b\,d\,e^3+6\,a^2\,b^2\,d^2\,e^2-4\,a\,b^3\,d^3\,e+b^4\,d^4\right )}{{\left (a\,e-b\,d\right )}^5}\right )}{{\left (a\,e-b\,d\right )}^5}-\frac {\frac {a^3\,e^3-5\,a^2\,b\,d\,e^2+13\,a\,b^2\,d^2\,e+3\,b^3\,d^3}{3\,\left (a^4\,e^4-4\,a^3\,b\,d\,e^3+6\,a^2\,b^2\,d^2\,e^2-4\,a\,b^3\,d^3\,e+b^4\,d^4\right )}+\frac {4\,b^3\,e^3\,x^3}{a^4\,e^4-4\,a^3\,b\,d\,e^3+6\,a^2\,b^2\,d^2\,e^2-4\,a\,b^3\,d^3\,e+b^4\,d^4}+\frac {2\,b^2\,x^2\,\left (a\,e^3+5\,b\,d\,e^2\right )}{a^4\,e^4-4\,a^3\,b\,d\,e^3+6\,a^2\,b^2\,d^2\,e^2-4\,a\,b^3\,d^3\,e+b^4\,d^4}+\frac {2\,b\,x\,\left (-a^2\,e^3+8\,a\,b\,d\,e^2+11\,b^2\,d^2\,e\right )}{3\,\left (a^4\,e^4-4\,a^3\,b\,d\,e^3+6\,a^2\,b^2\,d^2\,e^2-4\,a\,b^3\,d^3\,e+b^4\,d^4\right )}}{x^3\,\left (a\,e^3+3\,b\,d\,e^2\right )+x^2\,\left (3\,b\,d^2\,e+3\,a\,d\,e^2\right )+a\,d^3+x\,\left (b\,d^3+3\,a\,e\,d^2\right )+b\,e^3\,x^4} \]
[In]
[Out]