Integrand size = 26, antiderivative size = 71 \[ \int (d+e x)^{7/2} \left (a^2+2 a b x+b^2 x^2\right ) \, dx=\frac {2 (b d-a e)^2 (d+e x)^{9/2}}{9 e^3}-\frac {4 b (b d-a e) (d+e x)^{11/2}}{11 e^3}+\frac {2 b^2 (d+e x)^{13/2}}{13 e^3} \]
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Time = 0.02 (sec) , antiderivative size = 71, 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, 45} \[ \int (d+e x)^{7/2} \left (a^2+2 a b x+b^2 x^2\right ) \, dx=-\frac {4 b (d+e x)^{11/2} (b d-a e)}{11 e^3}+\frac {2 (d+e x)^{9/2} (b d-a e)^2}{9 e^3}+\frac {2 b^2 (d+e x)^{13/2}}{13 e^3} \]
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Rule 27
Rule 45
Rubi steps \begin{align*} \text {integral}& = \int (a+b x)^2 (d+e x)^{7/2} \, dx \\ & = \int \left (\frac {(-b d+a e)^2 (d+e x)^{7/2}}{e^2}-\frac {2 b (b d-a e) (d+e x)^{9/2}}{e^2}+\frac {b^2 (d+e x)^{11/2}}{e^2}\right ) \, dx \\ & = \frac {2 (b d-a e)^2 (d+e x)^{9/2}}{9 e^3}-\frac {4 b (b d-a e) (d+e x)^{11/2}}{11 e^3}+\frac {2 b^2 (d+e x)^{13/2}}{13 e^3} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 61, normalized size of antiderivative = 0.86 \[ \int (d+e x)^{7/2} \left (a^2+2 a b x+b^2 x^2\right ) \, dx=\frac {2 (d+e x)^{9/2} \left (143 a^2 e^2+26 a b e (-2 d+9 e x)+b^2 \left (8 d^2-36 d e x+99 e^2 x^2\right )\right )}{1287 e^3} \]
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Time = 2.14 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.76
method | result | size |
pseudoelliptic | \(\frac {2 \left (\left (\frac {9}{13} b^{2} x^{2}+\frac {18}{11} a b x +a^{2}\right ) e^{2}-\frac {4 \left (\frac {9 b x}{13}+a \right ) b d e}{11}+\frac {8 b^{2} d^{2}}{143}\right ) \left (e x +d \right )^{\frac {9}{2}}}{9 e^{3}}\) | \(54\) |
gosper | \(\frac {2 \left (e x +d \right )^{\frac {9}{2}} \left (99 x^{2} b^{2} e^{2}+234 x a b \,e^{2}-36 b^{2} d e x +143 a^{2} e^{2}-52 a b d e +8 b^{2} d^{2}\right )}{1287 e^{3}}\) | \(63\) |
derivativedivides | \(\frac {\frac {2 b^{2} \left (e x +d \right )^{\frac {13}{2}}}{13}+\frac {2 \left (2 a e b -2 b^{2} d \right ) \left (e x +d \right )^{\frac {11}{2}}}{11}+\frac {2 \left (a^{2} e^{2}-2 a b d e +b^{2} d^{2}\right ) \left (e x +d \right )^{\frac {9}{2}}}{9}}{e^{3}}\) | \(70\) |
default | \(\frac {\frac {2 b^{2} \left (e x +d \right )^{\frac {13}{2}}}{13}+\frac {2 \left (2 a e b -2 b^{2} d \right ) \left (e x +d \right )^{\frac {11}{2}}}{11}+\frac {2 \left (a^{2} e^{2}-2 a b d e +b^{2} d^{2}\right ) \left (e x +d \right )^{\frac {9}{2}}}{9}}{e^{3}}\) | \(70\) |
trager | \(\frac {2 \left (99 b^{2} e^{6} x^{6}+234 a b \,e^{6} x^{5}+360 b^{2} d \,e^{5} x^{5}+143 a^{2} e^{6} x^{4}+884 a b d \,e^{5} x^{4}+458 b^{2} d^{2} e^{4} x^{4}+572 a^{2} d \,e^{5} x^{3}+1196 a b \,d^{2} e^{4} x^{3}+212 b^{2} d^{3} e^{3} x^{3}+858 a^{2} d^{2} e^{4} x^{2}+624 a b \,d^{3} e^{3} x^{2}+3 b^{2} d^{4} e^{2} x^{2}+572 a^{2} d^{3} e^{3} x +26 a b \,d^{4} e^{2} x -4 b^{2} d^{5} e x +143 a^{2} d^{4} e^{2}-52 a b \,d^{5} e +8 b^{2} d^{6}\right ) \sqrt {e x +d}}{1287 e^{3}}\) | \(223\) |
risch | \(\frac {2 \left (99 b^{2} e^{6} x^{6}+234 a b \,e^{6} x^{5}+360 b^{2} d \,e^{5} x^{5}+143 a^{2} e^{6} x^{4}+884 a b d \,e^{5} x^{4}+458 b^{2} d^{2} e^{4} x^{4}+572 a^{2} d \,e^{5} x^{3}+1196 a b \,d^{2} e^{4} x^{3}+212 b^{2} d^{3} e^{3} x^{3}+858 a^{2} d^{2} e^{4} x^{2}+624 a b \,d^{3} e^{3} x^{2}+3 b^{2} d^{4} e^{2} x^{2}+572 a^{2} d^{3} e^{3} x +26 a b \,d^{4} e^{2} x -4 b^{2} d^{5} e x +143 a^{2} d^{4} e^{2}-52 a b \,d^{5} e +8 b^{2} d^{6}\right ) \sqrt {e x +d}}{1287 e^{3}}\) | \(223\) |
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Leaf count of result is larger than twice the leaf count of optimal. 212 vs. \(2 (59) = 118\).
Time = 0.29 (sec) , antiderivative size = 212, normalized size of antiderivative = 2.99 \[ \int (d+e x)^{7/2} \left (a^2+2 a b x+b^2 x^2\right ) \, dx=\frac {2 \, {\left (99 \, b^{2} e^{6} x^{6} + 8 \, b^{2} d^{6} - 52 \, a b d^{5} e + 143 \, a^{2} d^{4} e^{2} + 18 \, {\left (20 \, b^{2} d e^{5} + 13 \, a b e^{6}\right )} x^{5} + {\left (458 \, b^{2} d^{2} e^{4} + 884 \, a b d e^{5} + 143 \, a^{2} e^{6}\right )} x^{4} + 4 \, {\left (53 \, b^{2} d^{3} e^{3} + 299 \, a b d^{2} e^{4} + 143 \, a^{2} d e^{5}\right )} x^{3} + 3 \, {\left (b^{2} d^{4} e^{2} + 208 \, a b d^{3} e^{3} + 286 \, a^{2} d^{2} e^{4}\right )} x^{2} - 2 \, {\left (2 \, b^{2} d^{5} e - 13 \, a b d^{4} e^{2} - 286 \, a^{2} d^{3} e^{3}\right )} x\right )} \sqrt {e x + d}}{1287 \, e^{3}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 432 vs. \(2 (65) = 130\).
Time = 0.56 (sec) , antiderivative size = 432, normalized size of antiderivative = 6.08 \[ \int (d+e x)^{7/2} \left (a^2+2 a b x+b^2 x^2\right ) \, dx=\begin {cases} \frac {2 a^{2} d^{4} \sqrt {d + e x}}{9 e} + \frac {8 a^{2} d^{3} x \sqrt {d + e x}}{9} + \frac {4 a^{2} d^{2} e x^{2} \sqrt {d + e x}}{3} + \frac {8 a^{2} d e^{2} x^{3} \sqrt {d + e x}}{9} + \frac {2 a^{2} e^{3} x^{4} \sqrt {d + e x}}{9} - \frac {8 a b d^{5} \sqrt {d + e x}}{99 e^{2}} + \frac {4 a b d^{4} x \sqrt {d + e x}}{99 e} + \frac {32 a b d^{3} x^{2} \sqrt {d + e x}}{33} + \frac {184 a b d^{2} e x^{3} \sqrt {d + e x}}{99} + \frac {136 a b d e^{2} x^{4} \sqrt {d + e x}}{99} + \frac {4 a b e^{3} x^{5} \sqrt {d + e x}}{11} + \frac {16 b^{2} d^{6} \sqrt {d + e x}}{1287 e^{3}} - \frac {8 b^{2} d^{5} x \sqrt {d + e x}}{1287 e^{2}} + \frac {2 b^{2} d^{4} x^{2} \sqrt {d + e x}}{429 e} + \frac {424 b^{2} d^{3} x^{3} \sqrt {d + e x}}{1287} + \frac {916 b^{2} d^{2} e x^{4} \sqrt {d + e x}}{1287} + \frac {80 b^{2} d e^{2} x^{5} \sqrt {d + e x}}{143} + \frac {2 b^{2} e^{3} x^{6} \sqrt {d + e x}}{13} & \text {for}\: e \neq 0 \\d^{\frac {7}{2}} \left (a^{2} x + a b x^{2} + \frac {b^{2} x^{3}}{3}\right ) & \text {otherwise} \end {cases} \]
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Time = 0.20 (sec) , antiderivative size = 68, normalized size of antiderivative = 0.96 \[ \int (d+e x)^{7/2} \left (a^2+2 a b x+b^2 x^2\right ) \, dx=\frac {2 \, {\left (99 \, {\left (e x + d\right )}^{\frac {13}{2}} b^{2} - 234 \, {\left (b^{2} d - a b e\right )} {\left (e x + d\right )}^{\frac {11}{2}} + 143 \, {\left (b^{2} d^{2} - 2 \, a b d e + a^{2} e^{2}\right )} {\left (e x + d\right )}^{\frac {9}{2}}\right )}}{1287 \, e^{3}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 791 vs. \(2 (59) = 118\).
Time = 0.28 (sec) , antiderivative size = 791, normalized size of antiderivative = 11.14 \[ \int (d+e x)^{7/2} \left (a^2+2 a b x+b^2 x^2\right ) \, dx=\text {Too large to display} \]
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Time = 0.09 (sec) , antiderivative size = 68, normalized size of antiderivative = 0.96 \[ \int (d+e x)^{7/2} \left (a^2+2 a b x+b^2 x^2\right ) \, dx=\frac {2\,{\left (d+e\,x\right )}^{9/2}\,\left (99\,b^2\,{\left (d+e\,x\right )}^2+143\,a^2\,e^2+143\,b^2\,d^2-234\,b^2\,d\,\left (d+e\,x\right )+234\,a\,b\,e\,\left (d+e\,x\right )-286\,a\,b\,d\,e\right )}{1287\,e^3} \]
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