Integrand size = 19, antiderivative size = 51 \[ \int x^{5/2} \left (b x^2+c x^4\right )^3 \, dx=\frac {2}{19} b^3 x^{19/2}+\frac {6}{23} b^2 c x^{23/2}+\frac {2}{9} b c^2 x^{27/2}+\frac {2}{31} c^3 x^{31/2} \]
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Time = 0.01 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.105, Rules used = {1598, 276} \[ \int x^{5/2} \left (b x^2+c x^4\right )^3 \, dx=\frac {2}{19} b^3 x^{19/2}+\frac {6}{23} b^2 c x^{23/2}+\frac {2}{9} b c^2 x^{27/2}+\frac {2}{31} c^3 x^{31/2} \]
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Rule 276
Rule 1598
Rubi steps \begin{align*} \text {integral}& = \int x^{17/2} \left (b+c x^2\right )^3 \, dx \\ & = \int \left (b^3 x^{17/2}+3 b^2 c x^{21/2}+3 b c^2 x^{25/2}+c^3 x^{29/2}\right ) \, dx \\ & = \frac {2}{19} b^3 x^{19/2}+\frac {6}{23} b^2 c x^{23/2}+\frac {2}{9} b c^2 x^{27/2}+\frac {2}{31} c^3 x^{31/2} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.00 \[ \int x^{5/2} \left (b x^2+c x^4\right )^3 \, dx=\frac {2}{19} b^3 x^{19/2}+\frac {6}{23} b^2 c x^{23/2}+\frac {2}{9} b c^2 x^{27/2}+\frac {2}{31} c^3 x^{31/2} \]
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Time = 0.13 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.71
method | result | size |
derivativedivides | \(\frac {2 b^{3} x^{\frac {19}{2}}}{19}+\frac {6 b^{2} c \,x^{\frac {23}{2}}}{23}+\frac {2 b \,c^{2} x^{\frac {27}{2}}}{9}+\frac {2 c^{3} x^{\frac {31}{2}}}{31}\) | \(36\) |
default | \(\frac {2 b^{3} x^{\frac {19}{2}}}{19}+\frac {6 b^{2} c \,x^{\frac {23}{2}}}{23}+\frac {2 b \,c^{2} x^{\frac {27}{2}}}{9}+\frac {2 c^{3} x^{\frac {31}{2}}}{31}\) | \(36\) |
gosper | \(\frac {2 x^{\frac {19}{2}} \left (3933 c^{3} x^{6}+13547 b \,c^{2} x^{4}+15903 b^{2} c \,x^{2}+6417 b^{3}\right )}{121923}\) | \(38\) |
trager | \(\frac {2 x^{\frac {19}{2}} \left (3933 c^{3} x^{6}+13547 b \,c^{2} x^{4}+15903 b^{2} c \,x^{2}+6417 b^{3}\right )}{121923}\) | \(38\) |
risch | \(\frac {2 x^{\frac {19}{2}} \left (3933 c^{3} x^{6}+13547 b \,c^{2} x^{4}+15903 b^{2} c \,x^{2}+6417 b^{3}\right )}{121923}\) | \(38\) |
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Time = 0.24 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.78 \[ \int x^{5/2} \left (b x^2+c x^4\right )^3 \, dx=\frac {2}{121923} \, {\left (3933 \, c^{3} x^{15} + 13547 \, b c^{2} x^{13} + 15903 \, b^{2} c x^{11} + 6417 \, b^{3} x^{9}\right )} \sqrt {x} \]
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Time = 1.56 (sec) , antiderivative size = 49, normalized size of antiderivative = 0.96 \[ \int x^{5/2} \left (b x^2+c x^4\right )^3 \, dx=\frac {2 b^{3} x^{\frac {19}{2}}}{19} + \frac {6 b^{2} c x^{\frac {23}{2}}}{23} + \frac {2 b c^{2} x^{\frac {27}{2}}}{9} + \frac {2 c^{3} x^{\frac {31}{2}}}{31} \]
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Time = 0.19 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.69 \[ \int x^{5/2} \left (b x^2+c x^4\right )^3 \, dx=\frac {2}{31} \, c^{3} x^{\frac {31}{2}} + \frac {2}{9} \, b c^{2} x^{\frac {27}{2}} + \frac {6}{23} \, b^{2} c x^{\frac {23}{2}} + \frac {2}{19} \, b^{3} x^{\frac {19}{2}} \]
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Time = 0.28 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.69 \[ \int x^{5/2} \left (b x^2+c x^4\right )^3 \, dx=\frac {2}{31} \, c^{3} x^{\frac {31}{2}} + \frac {2}{9} \, b c^{2} x^{\frac {27}{2}} + \frac {6}{23} \, b^{2} c x^{\frac {23}{2}} + \frac {2}{19} \, b^{3} x^{\frac {19}{2}} \]
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Time = 0.05 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.69 \[ \int x^{5/2} \left (b x^2+c x^4\right )^3 \, dx=\frac {2\,b^3\,x^{19/2}}{19}+\frac {2\,c^3\,x^{31/2}}{31}+\frac {6\,b^2\,c\,x^{23/2}}{23}+\frac {2\,b\,c^2\,x^{27/2}}{9} \]
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