Optimal. Leaf size=223 \[ \frac{\left (-16 a c+21 b^2-30 b c x^3\right ) \left (a+b x^3+c x^6\right )^{5/2}}{840 c^3}-\frac{b \left (3 b^2-4 a c\right ) \left (b+2 c x^3\right ) \left (a+b x^3+c x^6\right )^{3/2}}{384 c^4}+\frac{b \left (b^2-4 a c\right ) \left (3 b^2-4 a c\right ) \left (b+2 c x^3\right ) \sqrt{a+b x^3+c x^6}}{1024 c^5}-\frac{b \left (b^2-4 a c\right )^2 \left (3 b^2-4 a c\right ) \tanh ^{-1}\left (\frac{b+2 c x^3}{2 \sqrt{c} \sqrt{a+b x^3+c x^6}}\right )}{2048 c^{11/2}}+\frac{x^6 \left (a+b x^3+c x^6\right )^{5/2}}{21 c} \]
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Rubi [A] time = 0.205978, antiderivative size = 223, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 6, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.3, Rules used = {1357, 742, 779, 612, 621, 206} \[ \frac{\left (-16 a c+21 b^2-30 b c x^3\right ) \left (a+b x^3+c x^6\right )^{5/2}}{840 c^3}-\frac{b \left (3 b^2-4 a c\right ) \left (b+2 c x^3\right ) \left (a+b x^3+c x^6\right )^{3/2}}{384 c^4}+\frac{b \left (b^2-4 a c\right ) \left (3 b^2-4 a c\right ) \left (b+2 c x^3\right ) \sqrt{a+b x^3+c x^6}}{1024 c^5}-\frac{b \left (b^2-4 a c\right )^2 \left (3 b^2-4 a c\right ) \tanh ^{-1}\left (\frac{b+2 c x^3}{2 \sqrt{c} \sqrt{a+b x^3+c x^6}}\right )}{2048 c^{11/2}}+\frac{x^6 \left (a+b x^3+c x^6\right )^{5/2}}{21 c} \]
Antiderivative was successfully verified.
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Rule 1357
Rule 742
Rule 779
Rule 612
Rule 621
Rule 206
Rubi steps
\begin{align*} \int x^{11} \left (a+b x^3+c x^6\right )^{3/2} \, dx &=\frac{1}{3} \operatorname{Subst}\left (\int x^3 \left (a+b x+c x^2\right )^{3/2} \, dx,x,x^3\right )\\ &=\frac{x^6 \left (a+b x^3+c x^6\right )^{5/2}}{21 c}+\frac{\operatorname{Subst}\left (\int x \left (-2 a-\frac{9 b x}{2}\right ) \left (a+b x+c x^2\right )^{3/2} \, dx,x,x^3\right )}{21 c}\\ &=\frac{x^6 \left (a+b x^3+c x^6\right )^{5/2}}{21 c}+\frac{\left (21 b^2-16 a c-30 b c x^3\right ) \left (a+b x^3+c x^6\right )^{5/2}}{840 c^3}-\frac{\left (b \left (3 b^2-4 a c\right )\right ) \operatorname{Subst}\left (\int \left (a+b x+c x^2\right )^{3/2} \, dx,x,x^3\right )}{48 c^3}\\ &=-\frac{b \left (3 b^2-4 a c\right ) \left (b+2 c x^3\right ) \left (a+b x^3+c x^6\right )^{3/2}}{384 c^4}+\frac{x^6 \left (a+b x^3+c x^6\right )^{5/2}}{21 c}+\frac{\left (21 b^2-16 a c-30 b c x^3\right ) \left (a+b x^3+c x^6\right )^{5/2}}{840 c^3}+\frac{\left (b \left (b^2-4 a c\right ) \left (3 b^2-4 a c\right )\right ) \operatorname{Subst}\left (\int \sqrt{a+b x+c x^2} \, dx,x,x^3\right )}{256 c^4}\\ &=\frac{b \left (b^2-4 a c\right ) \left (3 b^2-4 a c\right ) \left (b+2 c x^3\right ) \sqrt{a+b x^3+c x^6}}{1024 c^5}-\frac{b \left (3 b^2-4 a c\right ) \left (b+2 c x^3\right ) \left (a+b x^3+c x^6\right )^{3/2}}{384 c^4}+\frac{x^6 \left (a+b x^3+c x^6\right )^{5/2}}{21 c}+\frac{\left (21 b^2-16 a c-30 b c x^3\right ) \left (a+b x^3+c x^6\right )^{5/2}}{840 c^3}-\frac{\left (b \left (b^2-4 a c\right )^2 \left (3 b^2-4 a c\right )\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt{a+b x+c x^2}} \, dx,x,x^3\right )}{2048 c^5}\\ &=\frac{b \left (b^2-4 a c\right ) \left (3 b^2-4 a c\right ) \left (b+2 c x^3\right ) \sqrt{a+b x^3+c x^6}}{1024 c^5}-\frac{b \left (3 b^2-4 a c\right ) \left (b+2 c x^3\right ) \left (a+b x^3+c x^6\right )^{3/2}}{384 c^4}+\frac{x^6 \left (a+b x^3+c x^6\right )^{5/2}}{21 c}+\frac{\left (21 b^2-16 a c-30 b c x^3\right ) \left (a+b x^3+c x^6\right )^{5/2}}{840 c^3}-\frac{\left (b \left (b^2-4 a c\right )^2 \left (3 b^2-4 a c\right )\right ) \operatorname{Subst}\left (\int \frac{1}{4 c-x^2} \, dx,x,\frac{b+2 c x^3}{\sqrt{a+b x^3+c x^6}}\right )}{1024 c^5}\\ &=\frac{b \left (b^2-4 a c\right ) \left (3 b^2-4 a c\right ) \left (b+2 c x^3\right ) \sqrt{a+b x^3+c x^6}}{1024 c^5}-\frac{b \left (3 b^2-4 a c\right ) \left (b+2 c x^3\right ) \left (a+b x^3+c x^6\right )^{3/2}}{384 c^4}+\frac{x^6 \left (a+b x^3+c x^6\right )^{5/2}}{21 c}+\frac{\left (21 b^2-16 a c-30 b c x^3\right ) \left (a+b x^3+c x^6\right )^{5/2}}{840 c^3}-\frac{b \left (b^2-4 a c\right )^2 \left (3 b^2-4 a c\right ) \tanh ^{-1}\left (\frac{b+2 c x^3}{2 \sqrt{c} \sqrt{a+b x^3+c x^6}}\right )}{2048 c^{11/2}}\\ \end{align*}
Mathematica [A] time = 0.196137, size = 192, normalized size = 0.86 \[ \frac{-\frac{\left (16 a c-21 b^2+30 b c x^3\right ) \left (a+b x^3+c x^6\right )^{5/2}}{40 c^2}+\frac{7 \left (4 a b c-3 b^3\right ) \left (2 \sqrt{c} \left (b+2 c x^3\right ) \sqrt{a+b x^3+c x^6} \left (4 c \left (5 a+2 c x^6\right )-3 b^2+8 b c x^3\right )+3 \left (b^2-4 a c\right )^2 \tanh ^{-1}\left (\frac{b+2 c x^3}{2 \sqrt{c} \sqrt{a+b x^3+c x^6}}\right )\right )}{2048 c^{9/2}}+x^6 \left (a+b x^3+c x^6\right )^{5/2}}{21 c} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.02, size = 0, normalized size = 0. \begin{align*} \int{x}^{11} \left ( c{x}^{6}+b{x}^{3}+a \right ) ^{{\frac{3}{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.07128, size = 1268, normalized size = 5.69 \begin{align*} \left [-\frac{105 \,{\left (3 \, b^{7} - 28 \, a b^{5} c + 80 \, a^{2} b^{3} c^{2} - 64 \, a^{3} b c^{3}\right )} \sqrt{c} \log \left (-8 \, c^{2} x^{6} - 8 \, b c x^{3} - b^{2} - 4 \, \sqrt{c x^{6} + b x^{3} + a}{\left (2 \, c x^{3} + b\right )} \sqrt{c} - 4 \, a c\right ) - 4 \,{\left (5120 \, c^{7} x^{18} + 6400 \, b c^{6} x^{15} + 128 \,{\left (b^{2} c^{5} + 64 \, a c^{6}\right )} x^{12} - 16 \,{\left (9 \, b^{3} c^{4} - 44 \, a b c^{5}\right )} x^{9} + 315 \, b^{6} c - 2520 \, a b^{4} c^{2} + 5488 \, a^{2} b^{2} c^{3} - 2048 \, a^{3} c^{4} + 8 \,{\left (21 \, b^{4} c^{3} - 124 \, a b^{2} c^{4} + 128 \, a^{2} c^{5}\right )} x^{6} - 2 \,{\left (105 \, b^{5} c^{2} - 728 \, a b^{3} c^{3} + 1168 \, a^{2} b c^{4}\right )} x^{3}\right )} \sqrt{c x^{6} + b x^{3} + a}}{430080 \, c^{6}}, \frac{105 \,{\left (3 \, b^{7} - 28 \, a b^{5} c + 80 \, a^{2} b^{3} c^{2} - 64 \, a^{3} b c^{3}\right )} \sqrt{-c} \arctan \left (\frac{\sqrt{c x^{6} + b x^{3} + a}{\left (2 \, c x^{3} + b\right )} \sqrt{-c}}{2 \,{\left (c^{2} x^{6} + b c x^{3} + a c\right )}}\right ) + 2 \,{\left (5120 \, c^{7} x^{18} + 6400 \, b c^{6} x^{15} + 128 \,{\left (b^{2} c^{5} + 64 \, a c^{6}\right )} x^{12} - 16 \,{\left (9 \, b^{3} c^{4} - 44 \, a b c^{5}\right )} x^{9} + 315 \, b^{6} c - 2520 \, a b^{4} c^{2} + 5488 \, a^{2} b^{2} c^{3} - 2048 \, a^{3} c^{4} + 8 \,{\left (21 \, b^{4} c^{3} - 124 \, a b^{2} c^{4} + 128 \, a^{2} c^{5}\right )} x^{6} - 2 \,{\left (105 \, b^{5} c^{2} - 728 \, a b^{3} c^{3} + 1168 \, a^{2} b c^{4}\right )} x^{3}\right )} \sqrt{c x^{6} + b x^{3} + a}}{215040 \, c^{6}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int x^{11} \left (a + b x^{3} + c x^{6}\right )^{\frac{3}{2}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (c x^{6} + b x^{3} + a\right )}^{\frac{3}{2}} x^{11}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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