Optimal. Leaf size=299 \[ \frac {2 x^{3/2}}{3 c}+\frac {(-a)^{3/8} \tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt {2} c^{11/8}}-\frac {(-a)^{3/8} \tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt {2} c^{11/8}}+\frac {(-a)^{3/8} \tan ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 c^{11/8}}-\frac {(-a)^{3/8} \tanh ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 c^{11/8}}-\frac {(-a)^{3/8} \log \left (\sqrt [4]{-a}-\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{c} x\right )}{4 \sqrt {2} c^{11/8}}+\frac {(-a)^{3/8} \log \left (\sqrt [4]{-a}+\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{c} x\right )}{4 \sqrt {2} c^{11/8}} \]
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Rubi [A]
time = 0.26, antiderivative size = 299, normalized size of antiderivative = 1.00, number of steps
used = 15, number of rules used = 12, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.800, Rules used = {327, 335,
306, 303, 1176, 631, 210, 1179, 642, 304, 211, 214} \begin {gather*} \frac {(-a)^{3/8} \text {ArcTan}\left (1-\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt {2} c^{11/8}}-\frac {(-a)^{3/8} \text {ArcTan}\left (\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}+1\right )}{2 \sqrt {2} c^{11/8}}+\frac {(-a)^{3/8} \text {ArcTan}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 c^{11/8}}-\frac {(-a)^{3/8} \log \left (-\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{-a}+\sqrt [4]{c} x\right )}{4 \sqrt {2} c^{11/8}}+\frac {(-a)^{3/8} \log \left (\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{-a}+\sqrt [4]{c} x\right )}{4 \sqrt {2} c^{11/8}}-\frac {(-a)^{3/8} \tanh ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 c^{11/8}}+\frac {2 x^{3/2}}{3 c} \end {gather*}
Antiderivative was successfully verified.
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Rule 210
Rule 211
Rule 214
Rule 303
Rule 304
Rule 306
Rule 327
Rule 335
Rule 631
Rule 642
Rule 1176
Rule 1179
Rubi steps
\begin {align*} \int \frac {x^{9/2}}{a+c x^4} \, dx &=\frac {2 x^{3/2}}{3 c}-\frac {a \int \frac {\sqrt {x}}{a+c x^4} \, dx}{c}\\ &=\frac {2 x^{3/2}}{3 c}-\frac {(2 a) \text {Subst}\left (\int \frac {x^2}{a+c x^8} \, dx,x,\sqrt {x}\right )}{c}\\ &=\frac {2 x^{3/2}}{3 c}-\frac {\sqrt {-a} \text {Subst}\left (\int \frac {x^2}{\sqrt {-a}-\sqrt {c} x^4} \, dx,x,\sqrt {x}\right )}{c}-\frac {\sqrt {-a} \text {Subst}\left (\int \frac {x^2}{\sqrt {-a}+\sqrt {c} x^4} \, dx,x,\sqrt {x}\right )}{c}\\ &=\frac {2 x^{3/2}}{3 c}-\frac {\sqrt {-a} \text {Subst}\left (\int \frac {1}{\sqrt [4]{-a}-\sqrt [4]{c} x^2} \, dx,x,\sqrt {x}\right )}{2 c^{5/4}}+\frac {\sqrt {-a} \text {Subst}\left (\int \frac {1}{\sqrt [4]{-a}+\sqrt [4]{c} x^2} \, dx,x,\sqrt {x}\right )}{2 c^{5/4}}+\frac {\sqrt {-a} \text {Subst}\left (\int \frac {\sqrt [4]{-a}-\sqrt [4]{c} x^2}{\sqrt {-a}+\sqrt {c} x^4} \, dx,x,\sqrt {x}\right )}{2 c^{5/4}}-\frac {\sqrt {-a} \text {Subst}\left (\int \frac {\sqrt [4]{-a}+\sqrt [4]{c} x^2}{\sqrt {-a}+\sqrt {c} x^4} \, dx,x,\sqrt {x}\right )}{2 c^{5/4}}\\ &=\frac {2 x^{3/2}}{3 c}+\frac {(-a)^{3/8} \tan ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 c^{11/8}}-\frac {(-a)^{3/8} \tanh ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 c^{11/8}}-\frac {\sqrt {-a} \text {Subst}\left (\int \frac {1}{\frac {\sqrt [4]{-a}}{\sqrt [4]{c}}-\frac {\sqrt {2} \sqrt [8]{-a} x}{\sqrt [8]{c}}+x^2} \, dx,x,\sqrt {x}\right )}{4 c^{3/2}}-\frac {\sqrt {-a} \text {Subst}\left (\int \frac {1}{\frac {\sqrt [4]{-a}}{\sqrt [4]{c}}+\frac {\sqrt {2} \sqrt [8]{-a} x}{\sqrt [8]{c}}+x^2} \, dx,x,\sqrt {x}\right )}{4 c^{3/2}}-\frac {(-a)^{3/8} \text {Subst}\left (\int \frac {\frac {\sqrt {2} \sqrt [8]{-a}}{\sqrt [8]{c}}+2 x}{-\frac {\sqrt [4]{-a}}{\sqrt [4]{c}}-\frac {\sqrt {2} \sqrt [8]{-a} x}{\sqrt [8]{c}}-x^2} \, dx,x,\sqrt {x}\right )}{4 \sqrt {2} c^{11/8}}-\frac {(-a)^{3/8} \text {Subst}\left (\int \frac {\frac {\sqrt {2} \sqrt [8]{-a}}{\sqrt [8]{c}}-2 x}{-\frac {\sqrt [4]{-a}}{\sqrt [4]{c}}+\frac {\sqrt {2} \sqrt [8]{-a} x}{\sqrt [8]{c}}-x^2} \, dx,x,\sqrt {x}\right )}{4 \sqrt {2} c^{11/8}}\\ &=\frac {2 x^{3/2}}{3 c}+\frac {(-a)^{3/8} \tan ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 c^{11/8}}-\frac {(-a)^{3/8} \tanh ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 c^{11/8}}-\frac {(-a)^{3/8} \log \left (\sqrt [4]{-a}-\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{c} x\right )}{4 \sqrt {2} c^{11/8}}+\frac {(-a)^{3/8} \log \left (\sqrt [4]{-a}+\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{c} x\right )}{4 \sqrt {2} c^{11/8}}-\frac {(-a)^{3/8} \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt {2} c^{11/8}}+\frac {(-a)^{3/8} \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt {2} c^{11/8}}\\ &=\frac {2 x^{3/2}}{3 c}+\frac {(-a)^{3/8} \tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt {2} c^{11/8}}-\frac {(-a)^{3/8} \tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt {2} c^{11/8}}+\frac {(-a)^{3/8} \tan ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 c^{11/8}}-\frac {(-a)^{3/8} \tanh ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 c^{11/8}}-\frac {(-a)^{3/8} \log \left (\sqrt [4]{-a}-\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{c} x\right )}{4 \sqrt {2} c^{11/8}}+\frac {(-a)^{3/8} \log \left (\sqrt [4]{-a}+\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{c} x\right )}{4 \sqrt {2} c^{11/8}}\\ \end {align*}
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Mathematica [A]
time = 0.79, size = 268, normalized size = 0.90 \begin {gather*} \frac {8 c^{3/8} x^{3/2}-3 \sqrt {2-\sqrt {2}} a^{3/8} \tan ^{-1}\left (\frac {\sqrt {1-\frac {1}{\sqrt {2}}} \left (\sqrt [4]{a}-\sqrt [4]{c} x\right )}{\sqrt [8]{a} \sqrt [8]{c} \sqrt {x}}\right )+3 \sqrt {2+\sqrt {2}} a^{3/8} \tan ^{-1}\left (\frac {\sqrt {1+\frac {1}{\sqrt {2}}} \left (\sqrt [4]{a}-\sqrt [4]{c} x\right )}{\sqrt [8]{a} \sqrt [8]{c} \sqrt {x}}\right )-3 \sqrt {2-\sqrt {2}} a^{3/8} \tanh ^{-1}\left (\frac {\sqrt {2+\sqrt {2}} \sqrt [8]{a} \sqrt [8]{c} \sqrt {x}}{\sqrt [4]{a}+\sqrt [4]{c} x}\right )+3 \sqrt {2+\sqrt {2}} a^{3/8} \tanh ^{-1}\left (\frac {\sqrt [8]{a} \sqrt [8]{c} \sqrt {-\left (\left (-2+\sqrt {2}\right ) x\right )}}{\sqrt [4]{a}+\sqrt [4]{c} x}\right )}{12 c^{11/8}} \end {gather*}
Antiderivative was successfully verified.
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Maple [C] Result contains higher order function than in optimal. Order 9 vs. order
3.
time = 0.16, size = 39, normalized size = 0.13
method | result | size |
derivativedivides | \(\frac {2 x^{\frac {3}{2}}}{3 c}-\frac {a \left (\munderset {\textit {\_R} =\RootOf \left (c \,\textit {\_Z}^{8}+a \right )}{\sum }\frac {\ln \left (\sqrt {x}-\textit {\_R} \right )}{\textit {\_R}^{5}}\right )}{4 c^{2}}\) | \(39\) |
default | \(\frac {2 x^{\frac {3}{2}}}{3 c}-\frac {a \left (\munderset {\textit {\_R} =\RootOf \left (c \,\textit {\_Z}^{8}+a \right )}{\sum }\frac {\ln \left (\sqrt {x}-\textit {\_R} \right )}{\textit {\_R}^{5}}\right )}{4 c^{2}}\) | \(39\) |
risch | \(\frac {2 x^{\frac {3}{2}}}{3 c}-\frac {a \left (\munderset {\textit {\_R} =\RootOf \left (c \,\textit {\_Z}^{8}+a \right )}{\sum }\frac {\ln \left (\sqrt {x}-\textit {\_R} \right )}{\textit {\_R}^{5}}\right )}{4 c^{2}}\) | \(39\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 491 vs.
\(2 (198) = 396\).
time = 0.40, size = 491, normalized size = 1.64 \begin {gather*} \frac {12 \, \sqrt {2} c \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {1}{8}} \arctan \left (-\frac {\sqrt {2} a c^{7} \sqrt {x} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {5}{8}} - \sqrt {2} \sqrt {c^{8} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {3}{4}} + \sqrt {2} a c^{4} \sqrt {x} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {3}{8}} + a^{2} x} c^{7} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {5}{8}} - a^{3}}{a^{3}}\right ) + 12 \, \sqrt {2} c \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {1}{8}} \arctan \left (-\frac {\sqrt {2} a c^{7} \sqrt {x} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {5}{8}} - \sqrt {2} \sqrt {c^{8} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {3}{4}} - \sqrt {2} a c^{4} \sqrt {x} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {3}{8}} + a^{2} x} c^{7} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {5}{8}} + a^{3}}{a^{3}}\right ) - 3 \, \sqrt {2} c \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {1}{8}} \log \left (c^{8} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {3}{4}} + \sqrt {2} a c^{4} \sqrt {x} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {3}{8}} + a^{2} x\right ) + 3 \, \sqrt {2} c \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {1}{8}} \log \left (c^{8} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {3}{4}} - \sqrt {2} a c^{4} \sqrt {x} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {3}{8}} + a^{2} x\right ) - 24 \, c \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {1}{8}} \arctan \left (-\frac {a c^{7} \sqrt {x} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {5}{8}} - \sqrt {c^{8} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {3}{4}} + a^{2} x} c^{7} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {5}{8}}}{a^{3}}\right ) + 6 \, c \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {1}{8}} \log \left (c^{4} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {3}{8}} + a \sqrt {x}\right ) - 6 \, c \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {1}{8}} \log \left (-c^{4} \left (-\frac {a^{3}}{c^{11}}\right )^{\frac {3}{8}} + a \sqrt {x}\right ) + 16 \, x^{\frac {3}{2}}}{24 \, c} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 48.65, size = 299, normalized size = 1.00 \begin {gather*} \begin {cases} \tilde {\infty } x^{\frac {3}{2}} & \text {for}\: a = 0 \wedge c = 0 \\\frac {2 x^{\frac {11}{2}}}{11 a} & \text {for}\: c = 0 \\\frac {2 x^{\frac {3}{2}}}{3 c} & \text {for}\: a = 0 \\\frac {2 x^{\frac {3}{2}}}{3 c} + \frac {\left (- \frac {a}{c}\right )^{\frac {3}{8}} \log {\left (\sqrt {x} - \sqrt [8]{- \frac {a}{c}} \right )}}{4 c} - \frac {\left (- \frac {a}{c}\right )^{\frac {3}{8}} \log {\left (\sqrt {x} + \sqrt [8]{- \frac {a}{c}} \right )}}{4 c} - \frac {\sqrt {2} \left (- \frac {a}{c}\right )^{\frac {3}{8}} \log {\left (- 4 \sqrt {2} \sqrt {x} \sqrt [8]{- \frac {a}{c}} + 4 x + 4 \sqrt [4]{- \frac {a}{c}} \right )}}{8 c} + \frac {\sqrt {2} \left (- \frac {a}{c}\right )^{\frac {3}{8}} \log {\left (4 \sqrt {2} \sqrt {x} \sqrt [8]{- \frac {a}{c}} + 4 x + 4 \sqrt [4]{- \frac {a}{c}} \right )}}{8 c} + \frac {\left (- \frac {a}{c}\right )^{\frac {3}{8}} \operatorname {atan}{\left (\frac {\sqrt {x}}{\sqrt [8]{- \frac {a}{c}}} \right )}}{2 c} - \frac {\sqrt {2} \left (- \frac {a}{c}\right )^{\frac {3}{8}} \operatorname {atan}{\left (\frac {\sqrt {2} \sqrt {x}}{\sqrt [8]{- \frac {a}{c}}} - 1 \right )}}{4 c} - \frac {\sqrt {2} \left (- \frac {a}{c}\right )^{\frac {3}{8}} \operatorname {atan}{\left (\frac {\sqrt {2} \sqrt {x}}{\sqrt [8]{- \frac {a}{c}}} + 1 \right )}}{4 c} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 453 vs.
\(2 (198) = 396\).
time = 1.43, size = 453, normalized size = 1.52 \begin {gather*} \frac {2 \, x^{\frac {3}{2}}}{3 \, c} + \frac {\left (\frac {a}{c}\right )^{\frac {3}{8}} \arctan \left (\frac {\sqrt {-\sqrt {2} + 2} \left (\frac {a}{c}\right )^{\frac {1}{8}} + 2 \, \sqrt {x}}{\sqrt {\sqrt {2} + 2} \left (\frac {a}{c}\right )^{\frac {1}{8}}}\right )}{2 \, c \sqrt {2 \, \sqrt {2} + 4}} + \frac {\left (\frac {a}{c}\right )^{\frac {3}{8}} \arctan \left (-\frac {\sqrt {-\sqrt {2} + 2} \left (\frac {a}{c}\right )^{\frac {1}{8}} - 2 \, \sqrt {x}}{\sqrt {\sqrt {2} + 2} \left (\frac {a}{c}\right )^{\frac {1}{8}}}\right )}{2 \, c \sqrt {2 \, \sqrt {2} + 4}} - \frac {\left (\frac {a}{c}\right )^{\frac {3}{8}} \arctan \left (\frac {\sqrt {\sqrt {2} + 2} \left (\frac {a}{c}\right )^{\frac {1}{8}} + 2 \, \sqrt {x}}{\sqrt {-\sqrt {2} + 2} \left (\frac {a}{c}\right )^{\frac {1}{8}}}\right )}{2 \, c \sqrt {-2 \, \sqrt {2} + 4}} - \frac {\left (\frac {a}{c}\right )^{\frac {3}{8}} \arctan \left (-\frac {\sqrt {\sqrt {2} + 2} \left (\frac {a}{c}\right )^{\frac {1}{8}} - 2 \, \sqrt {x}}{\sqrt {-\sqrt {2} + 2} \left (\frac {a}{c}\right )^{\frac {1}{8}}}\right )}{2 \, c \sqrt {-2 \, \sqrt {2} + 4}} - \frac {\left (\frac {a}{c}\right )^{\frac {3}{8}} \log \left (\sqrt {x} \sqrt {\sqrt {2} + 2} \left (\frac {a}{c}\right )^{\frac {1}{8}} + x + \left (\frac {a}{c}\right )^{\frac {1}{4}}\right )}{4 \, c \sqrt {2 \, \sqrt {2} + 4}} + \frac {\left (\frac {a}{c}\right )^{\frac {3}{8}} \log \left (-\sqrt {x} \sqrt {\sqrt {2} + 2} \left (\frac {a}{c}\right )^{\frac {1}{8}} + x + \left (\frac {a}{c}\right )^{\frac {1}{4}}\right )}{4 \, c \sqrt {2 \, \sqrt {2} + 4}} + \frac {\left (\frac {a}{c}\right )^{\frac {3}{8}} \log \left (\sqrt {x} \sqrt {-\sqrt {2} + 2} \left (\frac {a}{c}\right )^{\frac {1}{8}} + x + \left (\frac {a}{c}\right )^{\frac {1}{4}}\right )}{4 \, c \sqrt {-2 \, \sqrt {2} + 4}} - \frac {\left (\frac {a}{c}\right )^{\frac {3}{8}} \log \left (-\sqrt {x} \sqrt {-\sqrt {2} + 2} \left (\frac {a}{c}\right )^{\frac {1}{8}} + x + \left (\frac {a}{c}\right )^{\frac {1}{4}}\right )}{4 \, c \sqrt {-2 \, \sqrt {2} + 4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.11, size = 126, normalized size = 0.42 \begin {gather*} \frac {2\,x^{3/2}}{3\,c}+\frac {{\left (-a\right )}^{3/8}\,\mathrm {atan}\left (\frac {c^{1/8}\,\sqrt {x}}{{\left (-a\right )}^{1/8}}\right )}{2\,c^{11/8}}+\frac {{\left (-a\right )}^{3/8}\,\mathrm {atan}\left (\frac {c^{1/8}\,\sqrt {x}\,1{}\mathrm {i}}{{\left (-a\right )}^{1/8}}\right )\,1{}\mathrm {i}}{2\,c^{11/8}}+\frac {\sqrt {2}\,{\left (-a\right )}^{3/8}\,\mathrm {atan}\left (\frac {\sqrt {2}\,c^{1/8}\,\sqrt {x}\,\left (\frac {1}{2}-\frac {1}{2}{}\mathrm {i}\right )}{{\left (-a\right )}^{1/8}}\right )\,\left (-\frac {1}{4}+\frac {1}{4}{}\mathrm {i}\right )}{c^{11/8}}+\frac {\sqrt {2}\,{\left (-a\right )}^{3/8}\,\mathrm {atan}\left (\frac {\sqrt {2}\,c^{1/8}\,\sqrt {x}\,\left (\frac {1}{2}+\frac {1}{2}{}\mathrm {i}\right )}{{\left (-a\right )}^{1/8}}\right )\,\left (-\frac {1}{4}-\frac {1}{4}{}\mathrm {i}\right )}{c^{11/8}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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