Optimal. Leaf size=36 \[ \frac {2}{17} b^2 x^{17/2}+\frac {4}{21} b c x^{21/2}+\frac {2}{25} c^2 x^{25/2} \]
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Rubi [A] time = 0.02, antiderivative size = 36, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.105, Rules used = {1584, 270} \begin {gather*} \frac {2}{17} b^2 x^{17/2}+\frac {4}{21} b c x^{21/2}+\frac {2}{25} c^2 x^{25/2} \end {gather*}
Antiderivative was successfully verified.
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Rule 270
Rule 1584
Rubi steps
\begin {align*} \int x^{7/2} \left (b x^2+c x^4\right )^2 \, dx &=\int x^{15/2} \left (b+c x^2\right )^2 \, dx\\ &=\int \left (b^2 x^{15/2}+2 b c x^{19/2}+c^2 x^{23/2}\right ) \, dx\\ &=\frac {2}{17} b^2 x^{17/2}+\frac {4}{21} b c x^{21/2}+\frac {2}{25} c^2 x^{25/2}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 30, normalized size = 0.83 \begin {gather*} \frac {2 x^{17/2} \left (525 b^2+850 b c x^2+357 c^2 x^4\right )}{8925} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [A] time = 0.02, size = 34, normalized size = 0.94 \begin {gather*} \frac {2 \left (525 b^2 x^{17/2}+850 b c x^{21/2}+357 c^2 x^{25/2}\right )}{8925} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 2.05, size = 29, normalized size = 0.81 \begin {gather*} \frac {2}{8925} \, {\left (357 \, c^{2} x^{12} + 850 \, b c x^{10} + 525 \, b^{2} x^{8}\right )} \sqrt {x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.15, size = 24, normalized size = 0.67 \begin {gather*} \frac {2}{25} \, c^{2} x^{\frac {25}{2}} + \frac {4}{21} \, b c x^{\frac {21}{2}} + \frac {2}{17} \, b^{2} x^{\frac {17}{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 27, normalized size = 0.75 \begin {gather*} \frac {2 \left (357 c^{2} x^{4}+850 b c \,x^{2}+525 b^{2}\right ) x^{\frac {17}{2}}}{8925} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.28, size = 24, normalized size = 0.67 \begin {gather*} \frac {2}{25} \, c^{2} x^{\frac {25}{2}} + \frac {4}{21} \, b c x^{\frac {21}{2}} + \frac {2}{17} \, b^{2} x^{\frac {17}{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.05, size = 25, normalized size = 0.69 \begin {gather*} x^{17/2}\,\left (\frac {2\,b^2}{17}+\frac {4\,b\,c\,x^2}{21}+\frac {2\,c^2\,x^4}{25}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 35.14, size = 34, normalized size = 0.94 \begin {gather*} \frac {2 b^{2} x^{\frac {17}{2}}}{17} + \frac {4 b c x^{\frac {21}{2}}}{21} + \frac {2 c^{2} x^{\frac {25}{2}}}{25} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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