Integrand size = 28, antiderivative size = 162 \[ \int \frac {(d+e x)^{9/2}}{a^2+2 a b x+b^2 x^2} \, dx=\frac {9 e (b d-a e)^3 \sqrt {d+e x}}{b^5}+\frac {3 e (b d-a e)^2 (d+e x)^{3/2}}{b^4}+\frac {9 e (b d-a e) (d+e x)^{5/2}}{5 b^3}+\frac {9 e (d+e x)^{7/2}}{7 b^2}-\frac {(d+e x)^{9/2}}{b (a+b x)}-\frac {9 e (b d-a e)^{7/2} \text {arctanh}\left (\frac {\sqrt {b} \sqrt {d+e x}}{\sqrt {b d-a e}}\right )}{b^{11/2}} \]
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Time = 0.13 (sec) , antiderivative size = 162, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.179, Rules used = {27, 43, 52, 65, 214} \[ \int \frac {(d+e x)^{9/2}}{a^2+2 a b x+b^2 x^2} \, dx=-\frac {9 e (b d-a e)^{7/2} \text {arctanh}\left (\frac {\sqrt {b} \sqrt {d+e x}}{\sqrt {b d-a e}}\right )}{b^{11/2}}+\frac {9 e \sqrt {d+e x} (b d-a e)^3}{b^5}+\frac {3 e (d+e x)^{3/2} (b d-a e)^2}{b^4}+\frac {9 e (d+e x)^{5/2} (b d-a e)}{5 b^3}-\frac {(d+e x)^{9/2}}{b (a+b x)}+\frac {9 e (d+e x)^{7/2}}{7 b^2} \]
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Rule 27
Rule 43
Rule 52
Rule 65
Rule 214
Rubi steps \begin{align*} \text {integral}& = \int \frac {(d+e x)^{9/2}}{(a+b x)^2} \, dx \\ & = -\frac {(d+e x)^{9/2}}{b (a+b x)}+\frac {(9 e) \int \frac {(d+e x)^{7/2}}{a+b x} \, dx}{2 b} \\ & = \frac {9 e (d+e x)^{7/2}}{7 b^2}-\frac {(d+e x)^{9/2}}{b (a+b x)}+\frac {(9 e (b d-a e)) \int \frac {(d+e x)^{5/2}}{a+b x} \, dx}{2 b^2} \\ & = \frac {9 e (b d-a e) (d+e x)^{5/2}}{5 b^3}+\frac {9 e (d+e x)^{7/2}}{7 b^2}-\frac {(d+e x)^{9/2}}{b (a+b x)}+\frac {\left (9 e (b d-a e)^2\right ) \int \frac {(d+e x)^{3/2}}{a+b x} \, dx}{2 b^3} \\ & = \frac {3 e (b d-a e)^2 (d+e x)^{3/2}}{b^4}+\frac {9 e (b d-a e) (d+e x)^{5/2}}{5 b^3}+\frac {9 e (d+e x)^{7/2}}{7 b^2}-\frac {(d+e x)^{9/2}}{b (a+b x)}+\frac {\left (9 e (b d-a e)^3\right ) \int \frac {\sqrt {d+e x}}{a+b x} \, dx}{2 b^4} \\ & = \frac {9 e (b d-a e)^3 \sqrt {d+e x}}{b^5}+\frac {3 e (b d-a e)^2 (d+e x)^{3/2}}{b^4}+\frac {9 e (b d-a e) (d+e x)^{5/2}}{5 b^3}+\frac {9 e (d+e x)^{7/2}}{7 b^2}-\frac {(d+e x)^{9/2}}{b (a+b x)}+\frac {\left (9 e (b d-a e)^4\right ) \int \frac {1}{(a+b x) \sqrt {d+e x}} \, dx}{2 b^5} \\ & = \frac {9 e (b d-a e)^3 \sqrt {d+e x}}{b^5}+\frac {3 e (b d-a e)^2 (d+e x)^{3/2}}{b^4}+\frac {9 e (b d-a e) (d+e x)^{5/2}}{5 b^3}+\frac {9 e (d+e x)^{7/2}}{7 b^2}-\frac {(d+e x)^{9/2}}{b (a+b x)}+\frac {\left (9 (b d-a e)^4\right ) \text {Subst}\left (\int \frac {1}{a-\frac {b d}{e}+\frac {b x^2}{e}} \, dx,x,\sqrt {d+e x}\right )}{b^5} \\ & = \frac {9 e (b d-a e)^3 \sqrt {d+e x}}{b^5}+\frac {3 e (b d-a e)^2 (d+e x)^{3/2}}{b^4}+\frac {9 e (b d-a e) (d+e x)^{5/2}}{5 b^3}+\frac {9 e (d+e x)^{7/2}}{7 b^2}-\frac {(d+e x)^{9/2}}{b (a+b x)}-\frac {9 e (b d-a e)^{7/2} \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {d+e x}}{\sqrt {b d-a e}}\right )}{b^{11/2}} \\ \end{align*}
Time = 0.41 (sec) , antiderivative size = 208, normalized size of antiderivative = 1.28 \[ \int \frac {(d+e x)^{9/2}}{a^2+2 a b x+b^2 x^2} \, dx=-\frac {\sqrt {d+e x} \left (315 a^4 e^4+210 a^3 b e^3 (-5 d+e x)-42 a^2 b^2 e^2 \left (-29 d^2+17 d e x+e^2 x^2\right )+6 a b^3 e \left (-88 d^3+142 d^2 e x+23 d e^2 x^2+3 e^3 x^3\right )+b^4 \left (35 d^4-388 d^3 e x-156 d^2 e^2 x^2-58 d e^3 x^3-10 e^4 x^4\right )\right )}{35 b^5 (a+b x)}+\frac {9 e (-b d+a e)^{7/2} \arctan \left (\frac {\sqrt {b} \sqrt {d+e x}}{\sqrt {-b d+a e}}\right )}{b^{11/2}} \]
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Time = 2.57 (sec) , antiderivative size = 217, normalized size of antiderivative = 1.34
method | result | size |
pseudoelliptic | \(\frac {9 e \left (a e -b d \right )^{4} \left (b x +a \right ) \arctan \left (\frac {b \sqrt {e x +d}}{\sqrt {\left (a e -b d \right ) b}}\right )-9 \sqrt {e x +d}\, \left (\left (-\frac {2}{63} e^{4} x^{4}-\frac {58}{315} d \,e^{3} x^{3}-\frac {52}{105} d^{2} e^{2} x^{2}-\frac {388}{315} d^{3} e x +\frac {1}{9} d^{4}\right ) b^{4}-\frac {176 \left (-\frac {3}{88} e^{3} x^{3}-\frac {23}{88} d \,e^{2} x^{2}-\frac {71}{44} d^{2} e x +d^{3}\right ) e a \,b^{3}}{105}+\frac {58 \left (-\frac {1}{29} x^{2} e^{2}-\frac {17}{29} d e x +d^{2}\right ) e^{2} a^{2} b^{2}}{15}-\frac {10 e^{3} \left (-\frac {e x}{5}+d \right ) a^{3} b}{3}+e^{4} a^{4}\right ) \sqrt {\left (a e -b d \right ) b}}{b^{5} \left (b x +a \right ) \sqrt {\left (a e -b d \right ) b}}\) | \(217\) |
risch | \(-\frac {2 e \left (-5 e^{3} x^{3} b^{3}+14 x^{2} a \,b^{2} e^{3}-29 x^{2} b^{3} d \,e^{2}-35 a^{2} b \,e^{3} x +98 x a \,b^{2} d \,e^{2}-78 b^{3} d^{2} e x +140 a^{3} e^{3}-455 a^{2} b d \,e^{2}+504 a \,b^{2} d^{2} e -194 b^{3} d^{3}\right ) \sqrt {e x +d}}{35 b^{5}}+\frac {\left (2 e^{4} a^{4}-8 b \,e^{3} d \,a^{3}+12 b^{2} e^{2} d^{2} a^{2}-8 a \,b^{3} d^{3} e +2 b^{4} d^{4}\right ) e \left (-\frac {\sqrt {e x +d}}{2 \left (b \left (e x +d \right )+a e -b d \right )}+\frac {9 \arctan \left (\frac {b \sqrt {e x +d}}{\sqrt {\left (a e -b d \right ) b}}\right )}{2 \sqrt {\left (a e -b d \right ) b}}\right )}{b^{5}}\) | \(237\) |
derivativedivides | \(2 e \left (-\frac {-\frac {\left (e x +d \right )^{\frac {7}{2}} b^{3}}{7}+\frac {2 a \,b^{2} e \left (e x +d \right )^{\frac {5}{2}}}{5}-\frac {2 b^{3} d \left (e x +d \right )^{\frac {5}{2}}}{5}-a^{2} b \,e^{2} \left (e x +d \right )^{\frac {3}{2}}+2 a \,b^{2} d e \left (e x +d \right )^{\frac {3}{2}}-b^{3} d^{2} \left (e x +d \right )^{\frac {3}{2}}+4 a^{3} e^{3} \sqrt {e x +d}-12 a^{2} d \,e^{2} b \sqrt {e x +d}+12 a \,d^{2} e \,b^{2} \sqrt {e x +d}-4 d^{3} b^{3} \sqrt {e x +d}}{b^{5}}+\frac {\frac {\left (-\frac {1}{2} e^{4} a^{4}+2 b \,e^{3} d \,a^{3}-3 b^{2} e^{2} d^{2} a^{2}+2 a \,b^{3} d^{3} e -\frac {1}{2} b^{4} d^{4}\right ) \sqrt {e x +d}}{b \left (e x +d \right )+a e -b d}+\frac {9 \left (e^{4} a^{4}-4 b \,e^{3} d \,a^{3}+6 b^{2} e^{2} d^{2} a^{2}-4 a \,b^{3} d^{3} e +b^{4} d^{4}\right ) \arctan \left (\frac {b \sqrt {e x +d}}{\sqrt {\left (a e -b d \right ) b}}\right )}{2 \sqrt {\left (a e -b d \right ) b}}}{b^{5}}\right )\) | \(326\) |
default | \(2 e \left (-\frac {-\frac {\left (e x +d \right )^{\frac {7}{2}} b^{3}}{7}+\frac {2 a \,b^{2} e \left (e x +d \right )^{\frac {5}{2}}}{5}-\frac {2 b^{3} d \left (e x +d \right )^{\frac {5}{2}}}{5}-a^{2} b \,e^{2} \left (e x +d \right )^{\frac {3}{2}}+2 a \,b^{2} d e \left (e x +d \right )^{\frac {3}{2}}-b^{3} d^{2} \left (e x +d \right )^{\frac {3}{2}}+4 a^{3} e^{3} \sqrt {e x +d}-12 a^{2} d \,e^{2} b \sqrt {e x +d}+12 a \,d^{2} e \,b^{2} \sqrt {e x +d}-4 d^{3} b^{3} \sqrt {e x +d}}{b^{5}}+\frac {\frac {\left (-\frac {1}{2} e^{4} a^{4}+2 b \,e^{3} d \,a^{3}-3 b^{2} e^{2} d^{2} a^{2}+2 a \,b^{3} d^{3} e -\frac {1}{2} b^{4} d^{4}\right ) \sqrt {e x +d}}{b \left (e x +d \right )+a e -b d}+\frac {9 \left (e^{4} a^{4}-4 b \,e^{3} d \,a^{3}+6 b^{2} e^{2} d^{2} a^{2}-4 a \,b^{3} d^{3} e +b^{4} d^{4}\right ) \arctan \left (\frac {b \sqrt {e x +d}}{\sqrt {\left (a e -b d \right ) b}}\right )}{2 \sqrt {\left (a e -b d \right ) b}}}{b^{5}}\right )\) | \(326\) |
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Leaf count of result is larger than twice the leaf count of optimal. 334 vs. \(2 (138) = 276\).
Time = 0.34 (sec) , antiderivative size = 678, normalized size of antiderivative = 4.19 \[ \int \frac {(d+e x)^{9/2}}{a^2+2 a b x+b^2 x^2} \, dx=\left [-\frac {315 \, {\left (a b^{3} d^{3} e - 3 \, a^{2} b^{2} d^{2} e^{2} + 3 \, a^{3} b d e^{3} - a^{4} e^{4} + {\left (b^{4} d^{3} e - 3 \, a b^{3} d^{2} e^{2} + 3 \, a^{2} b^{2} d e^{3} - a^{3} b e^{4}\right )} x\right )} \sqrt {\frac {b d - a e}{b}} \log \left (\frac {b e x + 2 \, b d - a e + 2 \, \sqrt {e x + d} b \sqrt {\frac {b d - a e}{b}}}{b x + a}\right ) - 2 \, {\left (10 \, b^{4} e^{4} x^{4} - 35 \, b^{4} d^{4} + 528 \, a b^{3} d^{3} e - 1218 \, a^{2} b^{2} d^{2} e^{2} + 1050 \, a^{3} b d e^{3} - 315 \, a^{4} e^{4} + 2 \, {\left (29 \, b^{4} d e^{3} - 9 \, a b^{3} e^{4}\right )} x^{3} + 6 \, {\left (26 \, b^{4} d^{2} e^{2} - 23 \, a b^{3} d e^{3} + 7 \, a^{2} b^{2} e^{4}\right )} x^{2} + 2 \, {\left (194 \, b^{4} d^{3} e - 426 \, a b^{3} d^{2} e^{2} + 357 \, a^{2} b^{2} d e^{3} - 105 \, a^{3} b e^{4}\right )} x\right )} \sqrt {e x + d}}{70 \, {\left (b^{6} x + a b^{5}\right )}}, -\frac {315 \, {\left (a b^{3} d^{3} e - 3 \, a^{2} b^{2} d^{2} e^{2} + 3 \, a^{3} b d e^{3} - a^{4} e^{4} + {\left (b^{4} d^{3} e - 3 \, a b^{3} d^{2} e^{2} + 3 \, a^{2} b^{2} d e^{3} - a^{3} b e^{4}\right )} x\right )} \sqrt {-\frac {b d - a e}{b}} \arctan \left (-\frac {\sqrt {e x + d} b \sqrt {-\frac {b d - a e}{b}}}{b d - a e}\right ) - {\left (10 \, b^{4} e^{4} x^{4} - 35 \, b^{4} d^{4} + 528 \, a b^{3} d^{3} e - 1218 \, a^{2} b^{2} d^{2} e^{2} + 1050 \, a^{3} b d e^{3} - 315 \, a^{4} e^{4} + 2 \, {\left (29 \, b^{4} d e^{3} - 9 \, a b^{3} e^{4}\right )} x^{3} + 6 \, {\left (26 \, b^{4} d^{2} e^{2} - 23 \, a b^{3} d e^{3} + 7 \, a^{2} b^{2} e^{4}\right )} x^{2} + 2 \, {\left (194 \, b^{4} d^{3} e - 426 \, a b^{3} d^{2} e^{2} + 357 \, a^{2} b^{2} d e^{3} - 105 \, a^{3} b e^{4}\right )} x\right )} \sqrt {e x + d}}{35 \, {\left (b^{6} x + a b^{5}\right )}}\right ] \]
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Timed out. \[ \int \frac {(d+e x)^{9/2}}{a^2+2 a b x+b^2 x^2} \, dx=\text {Timed out} \]
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Exception generated. \[ \int \frac {(d+e x)^{9/2}}{a^2+2 a b x+b^2 x^2} \, dx=\text {Exception raised: ValueError} \]
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Leaf count of result is larger than twice the leaf count of optimal. 375 vs. \(2 (138) = 276\).
Time = 0.27 (sec) , antiderivative size = 375, normalized size of antiderivative = 2.31 \[ \int \frac {(d+e x)^{9/2}}{a^2+2 a b x+b^2 x^2} \, dx=\frac {9 \, {\left (b^{4} d^{4} e - 4 \, a b^{3} d^{3} e^{2} + 6 \, a^{2} b^{2} d^{2} e^{3} - 4 \, a^{3} b d e^{4} + a^{4} e^{5}\right )} \arctan \left (\frac {\sqrt {e x + d} b}{\sqrt {-b^{2} d + a b e}}\right )}{\sqrt {-b^{2} d + a b e} b^{5}} - \frac {\sqrt {e x + d} b^{4} d^{4} e - 4 \, \sqrt {e x + d} a b^{3} d^{3} e^{2} + 6 \, \sqrt {e x + d} a^{2} b^{2} d^{2} e^{3} - 4 \, \sqrt {e x + d} a^{3} b d e^{4} + \sqrt {e x + d} a^{4} e^{5}}{{\left ({\left (e x + d\right )} b - b d + a e\right )} b^{5}} + \frac {2 \, {\left (5 \, {\left (e x + d\right )}^{\frac {7}{2}} b^{12} e + 14 \, {\left (e x + d\right )}^{\frac {5}{2}} b^{12} d e + 35 \, {\left (e x + d\right )}^{\frac {3}{2}} b^{12} d^{2} e + 140 \, \sqrt {e x + d} b^{12} d^{3} e - 14 \, {\left (e x + d\right )}^{\frac {5}{2}} a b^{11} e^{2} - 70 \, {\left (e x + d\right )}^{\frac {3}{2}} a b^{11} d e^{2} - 420 \, \sqrt {e x + d} a b^{11} d^{2} e^{2} + 35 \, {\left (e x + d\right )}^{\frac {3}{2}} a^{2} b^{10} e^{3} + 420 \, \sqrt {e x + d} a^{2} b^{10} d e^{3} - 140 \, \sqrt {e x + d} a^{3} b^{9} e^{4}\right )}}{35 \, b^{14}} \]
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Time = 9.45 (sec) , antiderivative size = 352, normalized size of antiderivative = 2.17 \[ \int \frac {(d+e x)^{9/2}}{a^2+2 a b x+b^2 x^2} \, dx=\left (\frac {\left (\frac {2\,e\,{\left (2\,b^2\,d-2\,a\,b\,e\right )}^2}{b^6}-\frac {2\,e\,{\left (a\,e-b\,d\right )}^2}{b^4}\right )\,\left (2\,b^2\,d-2\,a\,b\,e\right )}{b^2}-\frac {2\,e\,\left (2\,b^2\,d-2\,a\,b\,e\right )\,{\left (a\,e-b\,d\right )}^2}{b^6}\right )\,\sqrt {d+e\,x}+\left (\frac {2\,e\,{\left (2\,b^2\,d-2\,a\,b\,e\right )}^2}{3\,b^6}-\frac {2\,e\,{\left (a\,e-b\,d\right )}^2}{3\,b^4}\right )\,{\left (d+e\,x\right )}^{3/2}-\frac {\sqrt {d+e\,x}\,\left (a^4\,e^5-4\,a^3\,b\,d\,e^4+6\,a^2\,b^2\,d^2\,e^3-4\,a\,b^3\,d^3\,e^2+b^4\,d^4\,e\right )}{b^6\,\left (d+e\,x\right )-b^6\,d+a\,b^5\,e}+\frac {2\,e\,{\left (d+e\,x\right )}^{7/2}}{7\,b^2}+\frac {2\,e\,\left (2\,b^2\,d-2\,a\,b\,e\right )\,{\left (d+e\,x\right )}^{5/2}}{5\,b^4}+\frac {9\,e\,\mathrm {atan}\left (\frac {\sqrt {b}\,e\,{\left (a\,e-b\,d\right )}^{7/2}\,\sqrt {d+e\,x}}{a^4\,e^5-4\,a^3\,b\,d\,e^4+6\,a^2\,b^2\,d^2\,e^3-4\,a\,b^3\,d^3\,e^2+b^4\,d^4\,e}\right )\,{\left (a\,e-b\,d\right )}^{7/2}}{b^{11/2}} \]
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