Optimal. Leaf size=63 \[ \frac {2}{9} a^2 c x^{9/2}+\frac {2}{13} a (2 b c+a d) x^{13/2}+\frac {2}{17} b (b c+2 a d) x^{17/2}+\frac {2}{21} b^2 d x^{21/2} \]
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Rubi [A]
time = 0.02, antiderivative size = 63, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 1, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.045, Rules used = {459}
\begin {gather*} \frac {2}{9} a^2 c x^{9/2}+\frac {2}{17} b x^{17/2} (2 a d+b c)+\frac {2}{13} a x^{13/2} (a d+2 b c)+\frac {2}{21} b^2 d x^{21/2} \end {gather*}
Antiderivative was successfully verified.
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Rule 459
Rubi steps
\begin {align*} \int x^{7/2} \left (a+b x^2\right )^2 \left (c+d x^2\right ) \, dx &=\int \left (a^2 c x^{7/2}+a (2 b c+a d) x^{11/2}+b (b c+2 a d) x^{15/2}+b^2 d x^{19/2}\right ) \, dx\\ &=\frac {2}{9} a^2 c x^{9/2}+\frac {2}{13} a (2 b c+a d) x^{13/2}+\frac {2}{17} b (b c+2 a d) x^{17/2}+\frac {2}{21} b^2 d x^{21/2}\\ \end {align*}
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Mathematica [A]
time = 0.04, size = 60, normalized size = 0.95 \begin {gather*} \frac {2 x^{9/2} \left (119 a^2 \left (13 c+9 d x^2\right )+126 a b x^2 \left (17 c+13 d x^2\right )+39 b^2 x^4 \left (21 c+17 d x^2\right )\right )}{13923} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.09, size = 52, normalized size = 0.83
method | result | size |
derivativedivides | \(\frac {2 b^{2} d \,x^{\frac {21}{2}}}{21}+\frac {2 \left (2 a b d +b^{2} c \right ) x^{\frac {17}{2}}}{17}+\frac {2 \left (a^{2} d +2 a b c \right ) x^{\frac {13}{2}}}{13}+\frac {2 a^{2} c \,x^{\frac {9}{2}}}{9}\) | \(52\) |
default | \(\frac {2 b^{2} d \,x^{\frac {21}{2}}}{21}+\frac {2 \left (2 a b d +b^{2} c \right ) x^{\frac {17}{2}}}{17}+\frac {2 \left (a^{2} d +2 a b c \right ) x^{\frac {13}{2}}}{13}+\frac {2 a^{2} c \,x^{\frac {9}{2}}}{9}\) | \(52\) |
gosper | \(\frac {2 x^{\frac {9}{2}} \left (663 b^{2} d \,x^{6}+1638 a b d \,x^{4}+819 b^{2} c \,x^{4}+1071 a^{2} d \,x^{2}+2142 a b c \,x^{2}+1547 a^{2} c \right )}{13923}\) | \(56\) |
trager | \(\frac {2 x^{\frac {9}{2}} \left (663 b^{2} d \,x^{6}+1638 a b d \,x^{4}+819 b^{2} c \,x^{4}+1071 a^{2} d \,x^{2}+2142 a b c \,x^{2}+1547 a^{2} c \right )}{13923}\) | \(56\) |
risch | \(\frac {2 x^{\frac {9}{2}} \left (663 b^{2} d \,x^{6}+1638 a b d \,x^{4}+819 b^{2} c \,x^{4}+1071 a^{2} d \,x^{2}+2142 a b c \,x^{2}+1547 a^{2} c \right )}{13923}\) | \(56\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 51, normalized size = 0.81 \begin {gather*} \frac {2}{21} \, b^{2} d x^{\frac {21}{2}} + \frac {2}{17} \, {\left (b^{2} c + 2 \, a b d\right )} x^{\frac {17}{2}} + \frac {2}{9} \, a^{2} c x^{\frac {9}{2}} + \frac {2}{13} \, {\left (2 \, a b c + a^{2} d\right )} x^{\frac {13}{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.48, size = 56, normalized size = 0.89 \begin {gather*} \frac {2}{13923} \, {\left (663 \, b^{2} d x^{10} + 819 \, {\left (b^{2} c + 2 \, a b d\right )} x^{8} + 1547 \, a^{2} c x^{4} + 1071 \, {\left (2 \, a b c + a^{2} d\right )} x^{6}\right )} \sqrt {x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 1.11, size = 80, normalized size = 1.27 \begin {gather*} \frac {2 a^{2} c x^{\frac {9}{2}}}{9} + \frac {2 a^{2} d x^{\frac {13}{2}}}{13} + \frac {4 a b c x^{\frac {13}{2}}}{13} + \frac {4 a b d x^{\frac {17}{2}}}{17} + \frac {2 b^{2} c x^{\frac {17}{2}}}{17} + \frac {2 b^{2} d x^{\frac {21}{2}}}{21} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.48, size = 53, normalized size = 0.84 \begin {gather*} \frac {2}{21} \, b^{2} d x^{\frac {21}{2}} + \frac {2}{17} \, b^{2} c x^{\frac {17}{2}} + \frac {4}{17} \, a b d x^{\frac {17}{2}} + \frac {4}{13} \, a b c x^{\frac {13}{2}} + \frac {2}{13} \, a^{2} d x^{\frac {13}{2}} + \frac {2}{9} \, a^{2} c x^{\frac {9}{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.03, size = 51, normalized size = 0.81 \begin {gather*} x^{13/2}\,\left (\frac {2\,d\,a^2}{13}+\frac {4\,b\,c\,a}{13}\right )+x^{17/2}\,\left (\frac {2\,c\,b^2}{17}+\frac {4\,a\,d\,b}{17}\right )+\frac {2\,a^2\,c\,x^{9/2}}{9}+\frac {2\,b^2\,d\,x^{21/2}}{21} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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