Optimal. Leaf size=231 \[ \frac {\left (21 b^4-56 a b^2 c+16 a^2 c^2\right ) \left (b+2 c x^3\right ) \sqrt {a+b x^3+c x^6}}{1536 c^5}-\frac {b x^6 \left (a+b x^3+c x^6\right )^{3/2}}{20 c^2}+\frac {x^9 \left (a+b x^3+c x^6\right )^{3/2}}{18 c}-\frac {\left (7 b \left (15 b^2-28 a c\right )-6 c \left (21 b^2-20 a c\right ) x^3\right ) \left (a+b x^3+c x^6\right )^{3/2}}{2880 c^4}-\frac {\left (b^2-4 a c\right ) \left (21 b^4-56 a b^2 c+16 a^2 c^2\right ) \tanh ^{-1}\left (\frac {b+2 c x^3}{2 \sqrt {c} \sqrt {a+b x^3+c x^6}}\right )}{3072 c^{11/2}} \]
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Rubi [A]
time = 0.20, antiderivative size = 231, normalized size of antiderivative = 1.00, number of steps
used = 7, number of rules used = 7, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.350, Rules used = {1371, 756, 846,
793, 626, 635, 212} \begin {gather*} -\frac {\left (b^2-4 a c\right ) \left (16 a^2 c^2-56 a b^2 c+21 b^4\right ) \tanh ^{-1}\left (\frac {b+2 c x^3}{2 \sqrt {c} \sqrt {a+b x^3+c x^6}}\right )}{3072 c^{11/2}}+\frac {\left (16 a^2 c^2-56 a b^2 c+21 b^4\right ) \left (b+2 c x^3\right ) \sqrt {a+b x^3+c x^6}}{1536 c^5}-\frac {\left (7 b \left (15 b^2-28 a c\right )-6 c x^3 \left (21 b^2-20 a c\right )\right ) \left (a+b x^3+c x^6\right )^{3/2}}{2880 c^4}-\frac {b x^6 \left (a+b x^3+c x^6\right )^{3/2}}{20 c^2}+\frac {x^9 \left (a+b x^3+c x^6\right )^{3/2}}{18 c} \end {gather*}
Antiderivative was successfully verified.
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Rule 212
Rule 626
Rule 635
Rule 756
Rule 793
Rule 846
Rule 1371
Rubi steps
\begin {align*} \int x^{14} \sqrt {a+b x^3+c x^6} \, dx &=\frac {1}{3} \text {Subst}\left (\int x^4 \sqrt {a+b x+c x^2} \, dx,x,x^3\right )\\ &=\frac {x^9 \left (a+b x^3+c x^6\right )^{3/2}}{18 c}+\frac {\text {Subst}\left (\int x^2 \left (-3 a-\frac {9 b x}{2}\right ) \sqrt {a+b x+c x^2} \, dx,x,x^3\right )}{18 c}\\ &=-\frac {b x^6 \left (a+b x^3+c x^6\right )^{3/2}}{20 c^2}+\frac {x^9 \left (a+b x^3+c x^6\right )^{3/2}}{18 c}+\frac {\text {Subst}\left (\int x \left (9 a b+\frac {3}{4} \left (21 b^2-20 a c\right ) x\right ) \sqrt {a+b x+c x^2} \, dx,x,x^3\right )}{90 c^2}\\ &=-\frac {b x^6 \left (a+b x^3+c x^6\right )^{3/2}}{20 c^2}+\frac {x^9 \left (a+b x^3+c x^6\right )^{3/2}}{18 c}-\frac {\left (7 b \left (15 b^2-28 a c\right )-6 c \left (21 b^2-20 a c\right ) x^3\right ) \left (a+b x^3+c x^6\right )^{3/2}}{2880 c^4}+\frac {\left (21 b^4-56 a b^2 c+16 a^2 c^2\right ) \text {Subst}\left (\int \sqrt {a+b x+c x^2} \, dx,x,x^3\right )}{384 c^4}\\ &=\frac {\left (21 b^4-56 a b^2 c+16 a^2 c^2\right ) \left (b+2 c x^3\right ) \sqrt {a+b x^3+c x^6}}{1536 c^5}-\frac {b x^6 \left (a+b x^3+c x^6\right )^{3/2}}{20 c^2}+\frac {x^9 \left (a+b x^3+c x^6\right )^{3/2}}{18 c}-\frac {\left (7 b \left (15 b^2-28 a c\right )-6 c \left (21 b^2-20 a c\right ) x^3\right ) \left (a+b x^3+c x^6\right )^{3/2}}{2880 c^4}-\frac {\left (\left (b^2-4 a c\right ) \left (21 b^4-56 a b^2 c+16 a^2 c^2\right )\right ) \text {Subst}\left (\int \frac {1}{\sqrt {a+b x+c x^2}} \, dx,x,x^3\right )}{3072 c^5}\\ &=\frac {\left (21 b^4-56 a b^2 c+16 a^2 c^2\right ) \left (b+2 c x^3\right ) \sqrt {a+b x^3+c x^6}}{1536 c^5}-\frac {b x^6 \left (a+b x^3+c x^6\right )^{3/2}}{20 c^2}+\frac {x^9 \left (a+b x^3+c x^6\right )^{3/2}}{18 c}-\frac {\left (7 b \left (15 b^2-28 a c\right )-6 c \left (21 b^2-20 a c\right ) x^3\right ) \left (a+b x^3+c x^6\right )^{3/2}}{2880 c^4}-\frac {\left (\left (b^2-4 a c\right ) \left (21 b^4-56 a b^2 c+16 a^2 c^2\right )\right ) \text {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 )}{1536 c^5}\\ &=\frac {\left (21 b^4-56 a b^2 c+16 a^2 c^2\right ) \left (b+2 c x^3\right ) \sqrt {a+b x^3+c x^6}}{1536 c^5}-\frac {b x^6 \left (a+b x^3+c x^6\right )^{3/2}}{20 c^2}+\frac {x^9 \left (a+b x^3+c x^6\right )^{3/2}}{18 c}-\frac {\left (7 b \left (15 b^2-28 a c\right )-6 c \left (21 b^2-20 a c\right ) x^3\right ) \left (a+b x^3+c x^6\right )^{3/2}}{2880 c^4}-\frac {\left (b^2-4 a c\right ) \left (21 b^4-56 a b^2 c+16 a^2 c^2\right ) \tanh ^{-1}\left (\frac {b+2 c x^3}{2 \sqrt {c} \sqrt {a+b x^3+c x^6}}\right )}{3072 c^{11/2}}\\ \end {align*}
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Mathematica [A]
time = 0.42, size = 206, normalized size = 0.89 \begin {gather*} \frac {2 \sqrt {c} \sqrt {a+b x^3+c x^6} \left (315 b^5-210 b^4 c x^3+16 b^2 c^2 x^3 \left (56 a-9 c x^6\right )+168 b^3 c \left (-10 a+c x^6\right )+16 b c^2 \left (113 a^2-34 a c x^6+8 c^2 x^{12}\right )+160 c^3 x^3 \left (-3 a^2+2 a c x^6+8 c^2 x^{12}\right )\right )+15 \left (21 b^6-140 a b^4 c+240 a^2 b^2 c^2-64 a^3 c^3\right ) \log \left (b+2 c x^3-2 \sqrt {c} \sqrt {a+b x^3+c x^6}\right )}{46080 c^{11/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.01, size = 0, normalized size = 0.00 \[\int x^{14} \sqrt {c \,x^{6}+b \,x^{3}+a}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: ValueError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.39, size = 451, normalized size = 1.95 \begin {gather*} \left [-\frac {15 \, {\left (21 \, b^{6} - 140 \, a b^{4} c + 240 \, a^{2} b^{2} c^{2} - 64 \, a^{3} 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 (1280 \, c^{6} x^{15} + 128 \, b c^{5} x^{12} - 16 \, {\left (9 \, b^{2} c^{4} - 20 \, a c^{5}\right )} x^{9} + 8 \, {\left (21 \, b^{3} c^{3} - 68 \, a b c^{4}\right )} x^{6} + 315 \, b^{5} c - 1680 \, a b^{3} c^{2} + 1808 \, a^{2} b c^{3} - 2 \, {\left (105 \, b^{4} c^{2} - 448 \, a b^{2} c^{3} + 240 \, a^{2} c^{4}\right )} x^{3}\right )} \sqrt {c x^{6} + b x^{3} + a}}{92160 \, c^{6}}, \frac {15 \, {\left (21 \, b^{6} - 140 \, a b^{4} c + 240 \, a^{2} b^{2} c^{2} - 64 \, a^{3} 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 (1280 \, c^{6} x^{15} + 128 \, b c^{5} x^{12} - 16 \, {\left (9 \, b^{2} c^{4} - 20 \, a c^{5}\right )} x^{9} + 8 \, {\left (21 \, b^{3} c^{3} - 68 \, a b c^{4}\right )} x^{6} + 315 \, b^{5} c - 1680 \, a b^{3} c^{2} + 1808 \, a^{2} b c^{3} - 2 \, {\left (105 \, b^{4} c^{2} - 448 \, a b^{2} c^{3} + 240 \, a^{2} c^{4}\right )} x^{3}\right )} \sqrt {c x^{6} + b x^{3} + a}}{46080 \, c^{6}}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int x^{14} \sqrt {a + b x^{3} + c x^{6}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 2.94, size = 543, normalized size = 2.35 \begin {gather*} \frac {x^9\,{\left (c\,x^6+b\,x^3+a\right )}^{3/2}}{18\,c}-\frac {b\,\left (\frac {x^6\,{\left (c\,x^6+b\,x^3+a\right )}^{3/2}}{5\,c}+\frac {7\,b\,\left (\frac {a\,\left (\left (\frac {b}{4\,c}+\frac {x^3}{2}\right )\,\sqrt {c\,x^6+b\,x^3+a}+\frac {\ln \left (\sqrt {c\,x^6+b\,x^3+a}+\frac {c\,x^3+\frac {b}{2}}{\sqrt {c}}\right )\,\left (a\,c-\frac {b^2}{4}\right )}{2\,c^{3/2}}\right )}{4\,c}-\frac {x^3\,{\left (c\,x^6+b\,x^3+a\right )}^{3/2}}{4\,c}+\frac {5\,b\,\left (\frac {\left (8\,c\,\left (c\,x^6+a\right )-3\,b^2+2\,b\,c\,x^3\right )\,\sqrt {c\,x^6+b\,x^3+a}}{24\,c^2}+\frac {\ln \left (2\,\sqrt {c\,x^6+b\,x^3+a}+\frac {2\,c\,x^3+b}{\sqrt {c}}\right )\,\left (b^3-4\,a\,b\,c\right )}{16\,c^{5/2}}\right )}{8\,c}\right )}{10\,c}-\frac {2\,a\,\left (\frac {\left (8\,c\,\left (c\,x^6+a\right )-3\,b^2+2\,b\,c\,x^3\right )\,\sqrt {c\,x^6+b\,x^3+a}}{24\,c^2}+\frac {\ln \left (2\,\sqrt {c\,x^6+b\,x^3+a}+\frac {2\,c\,x^3+b}{\sqrt {c}}\right )\,\left (b^3-4\,a\,b\,c\right )}{16\,c^{5/2}}\right )}{5\,c}\right )}{4\,c}+\frac {a\,\left (\frac {a\,\left (\left (\frac {b}{4\,c}+\frac {x^3}{2}\right )\,\sqrt {c\,x^6+b\,x^3+a}+\frac {\ln \left (\sqrt {c\,x^6+b\,x^3+a}+\frac {c\,x^3+\frac {b}{2}}{\sqrt {c}}\right )\,\left (a\,c-\frac {b^2}{4}\right )}{2\,c^{3/2}}\right )}{4\,c}-\frac {x^3\,{\left (c\,x^6+b\,x^3+a\right )}^{3/2}}{4\,c}+\frac {5\,b\,\left (\frac {\left (8\,c\,\left (c\,x^6+a\right )-3\,b^2+2\,b\,c\,x^3\right )\,\sqrt {c\,x^6+b\,x^3+a}}{24\,c^2}+\frac {\ln \left (2\,\sqrt {c\,x^6+b\,x^3+a}+\frac {2\,c\,x^3+b}{\sqrt {c}}\right )\,\left (b^3-4\,a\,b\,c\right )}{16\,c^{5/2}}\right )}{8\,c}\right )}{6\,c} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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