Integrand size = 18, antiderivative size = 95 \[ \int x^2 (a+b x)^{3/2} (A+B x) \, dx=\frac {2 a^2 (A b-a B) (a+b x)^{5/2}}{5 b^4}-\frac {2 a (2 A b-3 a B) (a+b x)^{7/2}}{7 b^4}+\frac {2 (A b-3 a B) (a+b x)^{9/2}}{9 b^4}+\frac {2 B (a+b x)^{11/2}}{11 b^4} \]
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Time = 0.03 (sec) , antiderivative size = 95, 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 = {78} \[ \int x^2 (a+b x)^{3/2} (A+B x) \, dx=\frac {2 a^2 (a+b x)^{5/2} (A b-a B)}{5 b^4}+\frac {2 (a+b x)^{9/2} (A b-3 a B)}{9 b^4}-\frac {2 a (a+b x)^{7/2} (2 A b-3 a B)}{7 b^4}+\frac {2 B (a+b x)^{11/2}}{11 b^4} \]
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Rule 78
Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {a^2 (-A b+a B) (a+b x)^{3/2}}{b^3}+\frac {a (-2 A b+3 a B) (a+b x)^{5/2}}{b^3}+\frac {(A b-3 a B) (a+b x)^{7/2}}{b^3}+\frac {B (a+b x)^{9/2}}{b^3}\right ) \, dx \\ & = \frac {2 a^2 (A b-a B) (a+b x)^{5/2}}{5 b^4}-\frac {2 a (2 A b-3 a B) (a+b x)^{7/2}}{7 b^4}+\frac {2 (A b-3 a B) (a+b x)^{9/2}}{9 b^4}+\frac {2 B (a+b x)^{11/2}}{11 b^4} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 68, normalized size of antiderivative = 0.72 \[ \int x^2 (a+b x)^{3/2} (A+B x) \, dx=\frac {2 (a+b x)^{5/2} \left (-48 a^3 B+35 b^3 x^2 (11 A+9 B x)+8 a^2 b (11 A+15 B x)-10 a b^2 x (22 A+21 B x)\right )}{3465 b^4} \]
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Time = 0.52 (sec) , antiderivative size = 58, normalized size of antiderivative = 0.61
method | result | size |
pseudoelliptic | \(\frac {16 \left (b x +a \right )^{\frac {5}{2}} \left (\frac {35 x^{2} \left (\frac {9 B x}{11}+A \right ) b^{3}}{8}-\frac {5 x a \left (\frac {21 B x}{22}+A \right ) b^{2}}{2}+a^{2} \left (\frac {15 B x}{11}+A \right ) b -\frac {6 a^{3} B}{11}\right )}{315 b^{4}}\) | \(58\) |
gosper | \(\frac {2 \left (b x +a \right )^{\frac {5}{2}} \left (315 b^{3} B \,x^{3}+385 A \,b^{3} x^{2}-210 B a \,b^{2} x^{2}-220 a \,b^{2} A x +120 a^{2} b B x +88 a^{2} b A -48 a^{3} B \right )}{3465 b^{4}}\) | \(71\) |
derivativedivides | \(\frac {\frac {2 B \left (b x +a \right )^{\frac {11}{2}}}{11}+\frac {2 \left (A b -3 B a \right ) \left (b x +a \right )^{\frac {9}{2}}}{9}+\frac {2 \left (a^{2} B -2 a \left (A b -B a \right )\right ) \left (b x +a \right )^{\frac {7}{2}}}{7}+\frac {2 a^{2} \left (A b -B a \right ) \left (b x +a \right )^{\frac {5}{2}}}{5}}{b^{4}}\) | \(80\) |
default | \(\frac {\frac {2 B \left (b x +a \right )^{\frac {11}{2}}}{11}+\frac {2 \left (A b -3 B a \right ) \left (b x +a \right )^{\frac {9}{2}}}{9}+\frac {2 \left (a^{2} B -2 a \left (A b -B a \right )\right ) \left (b x +a \right )^{\frac {7}{2}}}{7}+\frac {2 a^{2} \left (A b -B a \right ) \left (b x +a \right )^{\frac {5}{2}}}{5}}{b^{4}}\) | \(80\) |
trager | \(\frac {2 \left (315 b^{5} B \,x^{5}+385 A \,b^{5} x^{4}+420 B a \,b^{4} x^{4}+550 A a \,b^{4} x^{3}+15 B \,a^{2} b^{3} x^{3}+33 A \,a^{2} b^{3} x^{2}-18 B \,a^{3} b^{2} x^{2}-44 a^{3} b^{2} A x +24 a^{4} b B x +88 a^{4} b A -48 a^{5} B \right ) \sqrt {b x +a}}{3465 b^{4}}\) | \(119\) |
risch | \(\frac {2 \left (315 b^{5} B \,x^{5}+385 A \,b^{5} x^{4}+420 B a \,b^{4} x^{4}+550 A a \,b^{4} x^{3}+15 B \,a^{2} b^{3} x^{3}+33 A \,a^{2} b^{3} x^{2}-18 B \,a^{3} b^{2} x^{2}-44 a^{3} b^{2} A x +24 a^{4} b B x +88 a^{4} b A -48 a^{5} B \right ) \sqrt {b x +a}}{3465 b^{4}}\) | \(119\) |
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none
Time = 0.22 (sec) , antiderivative size = 120, normalized size of antiderivative = 1.26 \[ \int x^2 (a+b x)^{3/2} (A+B x) \, dx=\frac {2 \, {\left (315 \, B b^{5} x^{5} - 48 \, B a^{5} + 88 \, A a^{4} b + 35 \, {\left (12 \, B a b^{4} + 11 \, A b^{5}\right )} x^{4} + 5 \, {\left (3 \, B a^{2} b^{3} + 110 \, A a b^{4}\right )} x^{3} - 3 \, {\left (6 \, B a^{3} b^{2} - 11 \, A a^{2} b^{3}\right )} x^{2} + 4 \, {\left (6 \, B a^{4} b - 11 \, A a^{3} b^{2}\right )} x\right )} \sqrt {b x + a}}{3465 \, b^{4}} \]
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Time = 0.70 (sec) , antiderivative size = 110, normalized size of antiderivative = 1.16 \[ \int x^2 (a+b x)^{3/2} (A+B x) \, dx=\begin {cases} \frac {2 \left (\frac {B \left (a + b x\right )^{\frac {11}{2}}}{11 b} + \frac {\left (a + b x\right )^{\frac {9}{2}} \left (A b - 3 B a\right )}{9 b} + \frac {\left (a + b x\right )^{\frac {7}{2}} \left (- 2 A a b + 3 B a^{2}\right )}{7 b} + \frac {\left (a + b x\right )^{\frac {5}{2}} \left (A a^{2} b - B a^{3}\right )}{5 b}\right )}{b^{3}} & \text {for}\: b \neq 0 \\a^{\frac {3}{2}} \left (\frac {A x^{3}}{3} + \frac {B x^{4}}{4}\right ) & \text {otherwise} \end {cases} \]
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Time = 0.19 (sec) , antiderivative size = 77, normalized size of antiderivative = 0.81 \[ \int x^2 (a+b x)^{3/2} (A+B x) \, dx=\frac {2 \, {\left (315 \, {\left (b x + a\right )}^{\frac {11}{2}} B - 385 \, {\left (3 \, B a - A b\right )} {\left (b x + a\right )}^{\frac {9}{2}} + 495 \, {\left (3 \, B a^{2} - 2 \, A a b\right )} {\left (b x + a\right )}^{\frac {7}{2}} - 693 \, {\left (B a^{3} - A a^{2} b\right )} {\left (b x + a\right )}^{\frac {5}{2}}\right )}}{3465 \, b^{4}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 350 vs. \(2 (80) = 160\).
Time = 0.29 (sec) , antiderivative size = 350, normalized size of antiderivative = 3.68 \[ \int x^2 (a+b x)^{3/2} (A+B x) \, dx=\frac {2 \, {\left (\frac {231 \, {\left (3 \, {\left (b x + a\right )}^{\frac {5}{2}} - 10 \, {\left (b x + a\right )}^{\frac {3}{2}} a + 15 \, \sqrt {b x + a} a^{2}\right )} A a^{2}}{b^{2}} + \frac {99 \, {\left (5 \, {\left (b x + a\right )}^{\frac {7}{2}} - 21 \, {\left (b x + a\right )}^{\frac {5}{2}} a + 35 \, {\left (b x + a\right )}^{\frac {3}{2}} a^{2} - 35 \, \sqrt {b x + a} a^{3}\right )} B a^{2}}{b^{3}} + \frac {198 \, {\left (5 \, {\left (b x + a\right )}^{\frac {7}{2}} - 21 \, {\left (b x + a\right )}^{\frac {5}{2}} a + 35 \, {\left (b x + a\right )}^{\frac {3}{2}} a^{2} - 35 \, \sqrt {b x + a} a^{3}\right )} A a}{b^{2}} + \frac {22 \, {\left (35 \, {\left (b x + a\right )}^{\frac {9}{2}} - 180 \, {\left (b x + a\right )}^{\frac {7}{2}} a + 378 \, {\left (b x + a\right )}^{\frac {5}{2}} a^{2} - 420 \, {\left (b x + a\right )}^{\frac {3}{2}} a^{3} + 315 \, \sqrt {b x + a} a^{4}\right )} B a}{b^{3}} + \frac {11 \, {\left (35 \, {\left (b x + a\right )}^{\frac {9}{2}} - 180 \, {\left (b x + a\right )}^{\frac {7}{2}} a + 378 \, {\left (b x + a\right )}^{\frac {5}{2}} a^{2} - 420 \, {\left (b x + a\right )}^{\frac {3}{2}} a^{3} + 315 \, \sqrt {b x + a} a^{4}\right )} A}{b^{2}} + \frac {5 \, {\left (63 \, {\left (b x + a\right )}^{\frac {11}{2}} - 385 \, {\left (b x + a\right )}^{\frac {9}{2}} a + 990 \, {\left (b x + a\right )}^{\frac {7}{2}} a^{2} - 1386 \, {\left (b x + a\right )}^{\frac {5}{2}} a^{3} + 1155 \, {\left (b x + a\right )}^{\frac {3}{2}} a^{4} - 693 \, \sqrt {b x + a} a^{5}\right )} B}{b^{3}}\right )}}{3465 \, b} \]
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Time = 0.06 (sec) , antiderivative size = 85, normalized size of antiderivative = 0.89 \[ \int x^2 (a+b x)^{3/2} (A+B x) \, dx=\frac {\left (6\,B\,a^2-4\,A\,a\,b\right )\,{\left (a+b\,x\right )}^{7/2}}{7\,b^4}+\frac {2\,B\,{\left (a+b\,x\right )}^{11/2}}{11\,b^4}+\frac {\left (2\,A\,b-6\,B\,a\right )\,{\left (a+b\,x\right )}^{9/2}}{9\,b^4}-\frac {\left (2\,B\,a^3-2\,A\,a^2\,b\right )\,{\left (a+b\,x\right )}^{5/2}}{5\,b^4} \]
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