Optimal. Leaf size=287 \[ \frac {\log \left (-\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{-a}+\sqrt [4]{c} x\right )}{4 \sqrt {2} \sqrt [8]{-a} c^{7/8}}-\frac {\log \left (\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{-a}+\sqrt [4]{c} x\right )}{4 \sqrt {2} \sqrt [8]{-a} c^{7/8}}-\frac {\tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt {2} \sqrt [8]{-a} c^{7/8}}+\frac {\tan ^{-1}\left (\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}+1\right )}{2 \sqrt {2} \sqrt [8]{-a} c^{7/8}}+\frac {\tan ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt [8]{-a} c^{7/8}}-\frac {\tanh ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt [8]{-a} c^{7/8}} \]
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Rubi [A] time = 0.23, antiderivative size = 287, normalized size of antiderivative = 1.00, number of steps used = 14, number of rules used = 11, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.733, Rules used = {329, 301, 297, 1162, 617, 204, 1165, 628, 298, 205, 208} \[ \frac {\log \left (-\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{-a}+\sqrt [4]{c} x\right )}{4 \sqrt {2} \sqrt [8]{-a} c^{7/8}}-\frac {\log \left (\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{-a}+\sqrt [4]{c} x\right )}{4 \sqrt {2} \sqrt [8]{-a} c^{7/8}}-\frac {\tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt {2} \sqrt [8]{-a} c^{7/8}}+\frac {\tan ^{-1}\left (\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}+1\right )}{2 \sqrt {2} \sqrt [8]{-a} c^{7/8}}+\frac {\tan ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt [8]{-a} c^{7/8}}-\frac {\tanh ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt [8]{-a} c^{7/8}} \]
Antiderivative was successfully verified.
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Rule 204
Rule 205
Rule 208
Rule 297
Rule 298
Rule 301
Rule 329
Rule 617
Rule 628
Rule 1162
Rule 1165
Rubi steps
\begin {align*} \int \frac {x^{5/2}}{a+c x^4} \, dx &=2 \operatorname {Subst}\left (\int \frac {x^6}{a+c x^8} \, dx,x,\sqrt {x}\right )\\ &=-\frac {\operatorname {Subst}\left (\int \frac {x^2}{\sqrt {-a}-\sqrt {c} x^4} \, dx,x,\sqrt {x}\right )}{\sqrt {c}}+\frac {\operatorname {Subst}\left (\int \frac {x^2}{\sqrt {-a}+\sqrt {c} x^4} \, dx,x,\sqrt {x}\right )}{\sqrt {c}}\\ &=-\frac {\operatorname {Subst}\left (\int \frac {1}{\sqrt [4]{-a}-\sqrt [4]{c} x^2} \, dx,x,\sqrt {x}\right )}{2 c^{3/4}}+\frac {\operatorname {Subst}\left (\int \frac {1}{\sqrt [4]{-a}+\sqrt [4]{c} x^2} \, dx,x,\sqrt {x}\right )}{2 c^{3/4}}-\frac {\operatorname {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^{3/4}}+\frac {\operatorname {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^{3/4}}\\ &=\frac {\tan ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt [8]{-a} c^{7/8}}-\frac {\tanh ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt [8]{-a} c^{7/8}}+\frac {\operatorname {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}+\frac {\operatorname {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}+\frac {\operatorname {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} \sqrt [8]{-a} c^{7/8}}+\frac {\operatorname {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} \sqrt [8]{-a} c^{7/8}}\\ &=\frac {\tan ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt [8]{-a} c^{7/8}}-\frac {\tanh ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt [8]{-a} c^{7/8}}+\frac {\log \left (\sqrt [4]{-a}-\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{c} x\right )}{4 \sqrt {2} \sqrt [8]{-a} c^{7/8}}-\frac {\log \left (\sqrt [4]{-a}+\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{c} x\right )}{4 \sqrt {2} \sqrt [8]{-a} c^{7/8}}+\frac {\operatorname {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} \sqrt [8]{-a} c^{7/8}}-\frac {\operatorname {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} \sqrt [8]{-a} c^{7/8}}\\ &=-\frac {\tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt {2} \sqrt [8]{-a} c^{7/8}}+\frac {\tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt {2} \sqrt [8]{-a} c^{7/8}}+\frac {\tan ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt [8]{-a} c^{7/8}}-\frac {\tanh ^{-1}\left (\frac {\sqrt [8]{c} \sqrt {x}}{\sqrt [8]{-a}}\right )}{2 \sqrt [8]{-a} c^{7/8}}+\frac {\log \left (\sqrt [4]{-a}-\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{c} x\right )}{4 \sqrt {2} \sqrt [8]{-a} c^{7/8}}-\frac {\log \left (\sqrt [4]{-a}+\sqrt {2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt {x}+\sqrt [4]{c} x\right )}{4 \sqrt {2} \sqrt [8]{-a} c^{7/8}}\\ \end {align*}
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Mathematica [C] time = 0.01, size = 29, normalized size = 0.10 \[ \frac {2 x^{7/2} \, _2F_1\left (\frac {7}{8},1;\frac {15}{8};-\frac {c x^4}{a}\right )}{7 a} \]
Antiderivative was successfully verified.
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fricas [B] time = 0.62, size = 426, normalized size = 1.48 \[ -\frac {1}{2} \, \sqrt {2} \left (-\frac {1}{a c^{7}}\right )^{\frac {1}{8}} \arctan \left (\sqrt {2} \sqrt {\sqrt {2} a c^{6} \sqrt {x} \left (-\frac {1}{a c^{7}}\right )^{\frac {7}{8}} - a c^{5} \left (-\frac {1}{a c^{7}}\right )^{\frac {3}{4}} + x} c \left (-\frac {1}{a c^{7}}\right )^{\frac {1}{8}} - \sqrt {2} c \sqrt {x} \left (-\frac {1}{a c^{7}}\right )^{\frac {1}{8}} + 1\right ) - \frac {1}{2} \, \sqrt {2} \left (-\frac {1}{a c^{7}}\right )^{\frac {1}{8}} \arctan \left (\sqrt {2} \sqrt {-\sqrt {2} a c^{6} \sqrt {x} \left (-\frac {1}{a c^{7}}\right )^{\frac {7}{8}} - a c^{5} \left (-\frac {1}{a c^{7}}\right )^{\frac {3}{4}} + x} c \left (-\frac {1}{a c^{7}}\right )^{\frac {1}{8}} - \sqrt {2} c \sqrt {x} \left (-\frac {1}{a c^{7}}\right )^{\frac {1}{8}} - 1\right ) + \frac {1}{8} \, \sqrt {2} \left (-\frac {1}{a c^{7}}\right )^{\frac {1}{8}} \log \left (\sqrt {2} a c^{6} \sqrt {x} \left (-\frac {1}{a c^{7}}\right )^{\frac {7}{8}} - a c^{5} \left (-\frac {1}{a c^{7}}\right )^{\frac {3}{4}} + x\right ) - \frac {1}{8} \, \sqrt {2} \left (-\frac {1}{a c^{7}}\right )^{\frac {1}{8}} \log \left (-\sqrt {2} a c^{6} \sqrt {x} \left (-\frac {1}{a c^{7}}\right )^{\frac {7}{8}} - a c^{5} \left (-\frac {1}{a c^{7}}\right )^{\frac {3}{4}} + x\right ) - \left (-\frac {1}{a c^{7}}\right )^{\frac {1}{8}} \arctan \left (\sqrt {-a c^{5} \left (-\frac {1}{a c^{7}}\right )^{\frac {3}{4}} + x} c \left (-\frac {1}{a c^{7}}\right )^{\frac {1}{8}} - c \sqrt {x} \left (-\frac {1}{a c^{7}}\right )^{\frac {1}{8}}\right ) + \frac {1}{4} \, \left (-\frac {1}{a c^{7}}\right )^{\frac {1}{8}} \log \left (a c^{6} \left (-\frac {1}{a c^{7}}\right )^{\frac {7}{8}} + \sqrt {x}\right ) - \frac {1}{4} \, \left (-\frac {1}{a c^{7}}\right )^{\frac {1}{8}} \log \left (-a c^{6} \left (-\frac {1}{a c^{7}}\right )^{\frac {7}{8}} + \sqrt {x}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 0.53, size = 445, normalized size = 1.55 \[ \frac {\left (\frac {a}{c}\right )^{\frac {7}{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 \, a \sqrt {-2 \, \sqrt {2} + 4}} + \frac {\left (\frac {a}{c}\right )^{\frac {7}{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 \, a \sqrt {-2 \, \sqrt {2} + 4}} + \frac {\left (\frac {a}{c}\right )^{\frac {7}{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 \, a \sqrt {2 \, \sqrt {2} + 4}} + \frac {\left (\frac {a}{c}\right )^{\frac {7}{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 \, a \sqrt {2 \, \sqrt {2} + 4}} - \frac {\left (\frac {a}{c}\right )^{\frac {7}{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 \, a \sqrt {-2 \, \sqrt {2} + 4}} + \frac {\left (\frac {a}{c}\right )^{\frac {7}{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 \, a \sqrt {-2 \, \sqrt {2} + 4}} - \frac {\left (\frac {a}{c}\right )^{\frac {7}{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 \, a \sqrt {2 \, \sqrt {2} + 4}} + \frac {\left (\frac {a}{c}\right )^{\frac {7}{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 \, a \sqrt {2 \, \sqrt {2} + 4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [C] time = 0.02, size = 29, normalized size = 0.10 \[ \frac {\ln \left (-\RootOf \left (c \,\textit {\_Z}^{8}+a \right )+\sqrt {x}\right )}{4 c \RootOf \left (c \,\textit {\_Z}^{8}+a \right )} \]
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 \[ \int \frac {x^{\frac {5}{2}}}{c x^{4} + a}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.11, size = 118, normalized size = 0.41 \[ \frac {\mathrm {atan}\left (\frac {c^{1/8}\,\sqrt {x}}{{\left (-a\right )}^{1/8}}\right )}{2\,{\left (-a\right )}^{1/8}\,c^{7/8}}+\frac {\mathrm {atan}\left (\frac {c^{1/8}\,\sqrt {x}\,1{}\mathrm {i}}{{\left (-a\right )}^{1/8}}\right )\,1{}\mathrm {i}}{2\,{\left (-a\right )}^{1/8}\,c^{7/8}}+\frac {\sqrt {2}\,\mathrm {atan}\left (\frac {\sqrt {2}\,c^{1/8}\,\sqrt {x}\,\left (\frac {1}{2}-\frac {1}{2}{}\mathrm {i}\right )}{{\left (-a\right )}^{1/8}}\right )\,\left (\frac {1}{4}-\frac {1}{4}{}\mathrm {i}\right )}{{\left (-a\right )}^{1/8}\,c^{7/8}}+\frac {\sqrt {2}\,\mathrm {atan}\left (\frac {\sqrt {2}\,c^{1/8}\,\sqrt {x}\,\left (\frac {1}{2}+\frac {1}{2}{}\mathrm {i}\right )}{{\left (-a\right )}^{1/8}}\right )\,\left (\frac {1}{4}+\frac {1}{4}{}\mathrm {i}\right )}{{\left (-a\right )}^{1/8}\,c^{7/8}} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 94.13, size = 452, normalized size = 1.57 \[ \begin {cases} \frac {\tilde {\infty }}{\sqrt {x}} & \text {for}\: a = 0 \wedge c = 0 \\\frac {2 x^{\frac {7}{2}}}{7 a} & \text {for}\: c = 0 \\- \frac {2}{c \sqrt {x}} & \text {for}\: a = 0 \\- \frac {\left (-1\right )^{\frac {7}{8}} \log {\left (- \sqrt [8]{-1} \sqrt [8]{a} \sqrt [8]{\frac {1}{c}} + \sqrt {x} \right )}}{4 \sqrt [8]{a} c \sqrt [8]{\frac {1}{c}}} + \frac {\left (-1\right )^{\frac {7}{8}} \log {\left (\sqrt [8]{-1} \sqrt [8]{a} \sqrt [8]{\frac {1}{c}} + \sqrt {x} \right )}}{4 \sqrt [8]{a} c \sqrt [8]{\frac {1}{c}}} - \frac {\left (-1\right )^{\frac {7}{8}} \sqrt {2} \log {\left (- 4 \sqrt [8]{-1} \sqrt {2} \sqrt [8]{a} \sqrt {x} \sqrt [8]{\frac {1}{c}} + 4 \sqrt [4]{-1} \sqrt [4]{a} \sqrt [4]{\frac {1}{c}} + 4 x \right )}}{8 \sqrt [8]{a} c \sqrt [8]{\frac {1}{c}}} + \frac {\left (-1\right )^{\frac {7}{8}} \sqrt {2} \log {\left (4 \sqrt [8]{-1} \sqrt {2} \sqrt [8]{a} \sqrt {x} \sqrt [8]{\frac {1}{c}} + 4 \sqrt [4]{-1} \sqrt [4]{a} \sqrt [4]{\frac {1}{c}} + 4 x \right )}}{8 \sqrt [8]{a} c \sqrt [8]{\frac {1}{c}}} + \frac {\left (-1\right )^{\frac {7}{8}} \operatorname {atan}{\left (\frac {\left (-1\right )^{\frac {7}{8}} \sqrt {x}}{\sqrt [8]{a} \sqrt [8]{\frac {1}{c}}} \right )}}{2 \sqrt [8]{a} c \sqrt [8]{\frac {1}{c}}} - \frac {\left (-1\right )^{\frac {7}{8}} \sqrt {2} \operatorname {atan}{\left (1 - \frac {\left (-1\right )^{\frac {7}{8}} \sqrt {2} \sqrt {x}}{\sqrt [8]{a} \sqrt [8]{\frac {1}{c}}} \right )}}{4 \sqrt [8]{a} c \sqrt [8]{\frac {1}{c}}} + \frac {\left (-1\right )^{\frac {7}{8}} \sqrt {2} \operatorname {atan}{\left (1 + \frac {\left (-1\right )^{\frac {7}{8}} \sqrt {2} \sqrt {x}}{\sqrt [8]{a} \sqrt [8]{\frac {1}{c}}} \right )}}{4 \sqrt [8]{a} c \sqrt [8]{\frac {1}{c}}} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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