Integrand size = 28, antiderivative size = 91 \[ \int (d x)^{5/2} \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {2 a^4 (d x)^{7/2}}{7 d}+\frac {8 a^3 b (d x)^{11/2}}{11 d^3}+\frac {4 a^2 b^2 (d x)^{15/2}}{5 d^5}+\frac {8 a b^3 (d x)^{19/2}}{19 d^7}+\frac {2 b^4 (d x)^{23/2}}{23 d^9} \]
[Out]
Time = 0.03 (sec) , antiderivative size = 91, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.071, Rules used = {28, 276} \[ \int (d x)^{5/2} \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {2 a^4 (d x)^{7/2}}{7 d}+\frac {8 a^3 b (d x)^{11/2}}{11 d^3}+\frac {4 a^2 b^2 (d x)^{15/2}}{5 d^5}+\frac {8 a b^3 (d x)^{19/2}}{19 d^7}+\frac {2 b^4 (d x)^{23/2}}{23 d^9} \]
[In]
[Out]
Rule 28
Rule 276
Rubi steps \begin{align*} \text {integral}& = \frac {\int (d x)^{5/2} \left (a b+b^2 x^2\right )^4 \, dx}{b^4} \\ & = \frac {\int \left (a^4 b^4 (d x)^{5/2}+\frac {4 a^3 b^5 (d x)^{9/2}}{d^2}+\frac {6 a^2 b^6 (d x)^{13/2}}{d^4}+\frac {4 a b^7 (d x)^{17/2}}{d^6}+\frac {b^8 (d x)^{21/2}}{d^8}\right ) \, dx}{b^4} \\ & = \frac {2 a^4 (d x)^{7/2}}{7 d}+\frac {8 a^3 b (d x)^{11/2}}{11 d^3}+\frac {4 a^2 b^2 (d x)^{15/2}}{5 d^5}+\frac {8 a b^3 (d x)^{19/2}}{19 d^7}+\frac {2 b^4 (d x)^{23/2}}{23 d^9} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 55, normalized size of antiderivative = 0.60 \[ \int (d x)^{5/2} \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {2 x (d x)^{5/2} \left (24035 a^4+61180 a^3 b x^2+67298 a^2 b^2 x^4+35420 a b^3 x^6+7315 b^4 x^8\right )}{168245} \]
[In]
[Out]
Time = 0.28 (sec) , antiderivative size = 52, normalized size of antiderivative = 0.57
method | result | size |
gosper | \(\frac {2 x \left (7315 b^{4} x^{8}+35420 a \,b^{3} x^{6}+67298 a^{2} b^{2} x^{4}+61180 a^{3} b \,x^{2}+24035 a^{4}\right ) \left (d x \right )^{\frac {5}{2}}}{168245}\) | \(52\) |
pseudoelliptic | \(\frac {2 \sqrt {d x}\, \left (\frac {7}{23} b^{4} x^{8}+\frac {28}{19} a \,b^{3} x^{6}+\frac {14}{5} a^{2} b^{2} x^{4}+\frac {28}{11} a^{3} b \,x^{2}+a^{4}\right ) d^{2} x^{3}}{7}\) | \(55\) |
trager | \(\frac {2 d^{2} x^{3} \left (7315 b^{4} x^{8}+35420 a \,b^{3} x^{6}+67298 a^{2} b^{2} x^{4}+61180 a^{3} b \,x^{2}+24035 a^{4}\right ) \sqrt {d x}}{168245}\) | \(57\) |
risch | \(\frac {2 d^{3} x^{4} \left (7315 b^{4} x^{8}+35420 a \,b^{3} x^{6}+67298 a^{2} b^{2} x^{4}+61180 a^{3} b \,x^{2}+24035 a^{4}\right )}{168245 \sqrt {d x}}\) | \(57\) |
derivativedivides | \(\frac {\frac {2 b^{4} \left (d x \right )^{\frac {23}{2}}}{23}+\frac {8 a \,b^{3} d^{2} \left (d x \right )^{\frac {19}{2}}}{19}+\frac {4 a^{2} d^{4} b^{2} \left (d x \right )^{\frac {15}{2}}}{5}+\frac {8 a^{3} d^{6} b \left (d x \right )^{\frac {11}{2}}}{11}+\frac {2 a^{4} d^{8} \left (d x \right )^{\frac {7}{2}}}{7}}{d^{9}}\) | \(74\) |
default | \(\frac {\frac {2 b^{4} \left (d x \right )^{\frac {23}{2}}}{23}+\frac {8 a \,b^{3} d^{2} \left (d x \right )^{\frac {19}{2}}}{19}+\frac {4 a^{2} d^{4} b^{2} \left (d x \right )^{\frac {15}{2}}}{5}+\frac {8 a^{3} d^{6} b \left (d x \right )^{\frac {11}{2}}}{11}+\frac {2 a^{4} d^{8} \left (d x \right )^{\frac {7}{2}}}{7}}{d^{9}}\) | \(74\) |
[In]
[Out]
none
Time = 0.25 (sec) , antiderivative size = 68, normalized size of antiderivative = 0.75 \[ \int (d x)^{5/2} \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {2}{168245} \, {\left (7315 \, b^{4} d^{2} x^{11} + 35420 \, a b^{3} d^{2} x^{9} + 67298 \, a^{2} b^{2} d^{2} x^{7} + 61180 \, a^{3} b d^{2} x^{5} + 24035 \, a^{4} d^{2} x^{3}\right )} \sqrt {d x} \]
[In]
[Out]
Time = 0.51 (sec) , antiderivative size = 88, normalized size of antiderivative = 0.97 \[ \int (d x)^{5/2} \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {2 a^{4} x \left (d x\right )^{\frac {5}{2}}}{7} + \frac {8 a^{3} b x^{3} \left (d x\right )^{\frac {5}{2}}}{11} + \frac {4 a^{2} b^{2} x^{5} \left (d x\right )^{\frac {5}{2}}}{5} + \frac {8 a b^{3} x^{7} \left (d x\right )^{\frac {5}{2}}}{19} + \frac {2 b^{4} x^{9} \left (d x\right )^{\frac {5}{2}}}{23} \]
[In]
[Out]
none
Time = 0.19 (sec) , antiderivative size = 73, normalized size of antiderivative = 0.80 \[ \int (d x)^{5/2} \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {2 \, {\left (7315 \, \left (d x\right )^{\frac {23}{2}} b^{4} + 35420 \, \left (d x\right )^{\frac {19}{2}} a b^{3} d^{2} + 67298 \, \left (d x\right )^{\frac {15}{2}} a^{2} b^{2} d^{4} + 61180 \, \left (d x\right )^{\frac {11}{2}} a^{3} b d^{6} + 24035 \, \left (d x\right )^{\frac {7}{2}} a^{4} d^{8}\right )}}{168245 \, d^{9}} \]
[In]
[Out]
none
Time = 0.26 (sec) , antiderivative size = 86, normalized size of antiderivative = 0.95 \[ \int (d x)^{5/2} \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {2}{23} \, \sqrt {d x} b^{4} d^{2} x^{11} + \frac {8}{19} \, \sqrt {d x} a b^{3} d^{2} x^{9} + \frac {4}{5} \, \sqrt {d x} a^{2} b^{2} d^{2} x^{7} + \frac {8}{11} \, \sqrt {d x} a^{3} b d^{2} x^{5} + \frac {2}{7} \, \sqrt {d x} a^{4} d^{2} x^{3} \]
[In]
[Out]
Time = 13.32 (sec) , antiderivative size = 71, normalized size of antiderivative = 0.78 \[ \int (d x)^{5/2} \left (a^2+2 a b x^2+b^2 x^4\right )^2 \, dx=\frac {2\,a^4\,{\left (d\,x\right )}^{7/2}}{7\,d}+\frac {2\,b^4\,{\left (d\,x\right )}^{23/2}}{23\,d^9}+\frac {4\,a^2\,b^2\,{\left (d\,x\right )}^{15/2}}{5\,d^5}+\frac {8\,a^3\,b\,{\left (d\,x\right )}^{11/2}}{11\,d^3}+\frac {8\,a\,b^3\,{\left (d\,x\right )}^{19/2}}{19\,d^7} \]
[In]
[Out]