Optimal. Leaf size=123 \[ \frac {a^{3/2} \tan ^{-1}\left (\frac {x^4 \sqrt {b c-a d}}{\sqrt {a} \sqrt {c+d x^8}}\right )}{4 b^2 \sqrt {b c-a d}}-\frac {(2 a d+b c) \tanh ^{-1}\left (\frac {\sqrt {d} x^4}{\sqrt {c+d x^8}}\right )}{8 b^2 d^{3/2}}+\frac {x^4 \sqrt {c+d x^8}}{8 b d} \]
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Rubi [A] time = 0.13, antiderivative size = 123, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.292, Rules used = {465, 479, 523, 217, 206, 377, 205} \[ \frac {a^{3/2} \tan ^{-1}\left (\frac {x^4 \sqrt {b c-a d}}{\sqrt {a} \sqrt {c+d x^8}}\right )}{4 b^2 \sqrt {b c-a d}}-\frac {(2 a d+b c) \tanh ^{-1}\left (\frac {\sqrt {d} x^4}{\sqrt {c+d x^8}}\right )}{8 b^2 d^{3/2}}+\frac {x^4 \sqrt {c+d x^8}}{8 b d} \]
Antiderivative was successfully verified.
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Rule 205
Rule 206
Rule 217
Rule 377
Rule 465
Rule 479
Rule 523
Rubi steps
\begin {align*} \int \frac {x^{19}}{\left (a+b x^8\right ) \sqrt {c+d x^8}} \, dx &=\frac {1}{4} \operatorname {Subst}\left (\int \frac {x^4}{\left (a+b x^2\right ) \sqrt {c+d x^2}} \, dx,x,x^4\right )\\ &=\frac {x^4 \sqrt {c+d x^8}}{8 b d}-\frac {\operatorname {Subst}\left (\int \frac {a c+(b c+2 a d) x^2}{\left (a+b x^2\right ) \sqrt {c+d x^2}} \, dx,x,x^4\right )}{8 b d}\\ &=\frac {x^4 \sqrt {c+d x^8}}{8 b d}+\frac {a^2 \operatorname {Subst}\left (\int \frac {1}{\left (a+b x^2\right ) \sqrt {c+d x^2}} \, dx,x,x^4\right )}{4 b^2}-\frac {(b c+2 a d) \operatorname {Subst}\left (\int \frac {1}{\sqrt {c+d x^2}} \, dx,x,x^4\right )}{8 b^2 d}\\ &=\frac {x^4 \sqrt {c+d x^8}}{8 b d}+\frac {a^2 \operatorname {Subst}\left (\int \frac {1}{a-(-b c+a d) x^2} \, dx,x,\frac {x^4}{\sqrt {c+d x^8}}\right )}{4 b^2}-\frac {(b c+2 a d) \operatorname {Subst}\left (\int \frac {1}{1-d x^2} \, dx,x,\frac {x^4}{\sqrt {c+d x^8}}\right )}{8 b^2 d}\\ &=\frac {x^4 \sqrt {c+d x^8}}{8 b d}+\frac {a^{3/2} \tan ^{-1}\left (\frac {\sqrt {b c-a d} x^4}{\sqrt {a} \sqrt {c+d x^8}}\right )}{4 b^2 \sqrt {b c-a d}}-\frac {(b c+2 a d) \tanh ^{-1}\left (\frac {\sqrt {d} x^4}{\sqrt {c+d x^8}}\right )}{8 b^2 d^{3/2}}\\ \end {align*}
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Mathematica [A] time = 0.24, size = 118, normalized size = 0.96 \[ \frac {\frac {2 a^{3/2} \tan ^{-1}\left (\frac {x^4 \sqrt {b c-a d}}{\sqrt {a} \sqrt {c+d x^8}}\right )}{\sqrt {b c-a d}}-\frac {(2 a d+b c) \log \left (\sqrt {d} \sqrt {c+d x^8}+d x^4\right )}{d^{3/2}}+\frac {b x^4 \sqrt {c+d x^8}}{d}}{8 b^2} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.92, size = 739, normalized size = 6.01 \[ \left [\frac {2 \, \sqrt {d x^{8} + c} b d x^{4} + a d^{2} \sqrt {-\frac {a}{b c - a d}} \log \left (\frac {{\left (b^{2} c^{2} - 8 \, a b c d + 8 \, a^{2} d^{2}\right )} x^{16} - 2 \, {\left (3 \, a b c^{2} - 4 \, a^{2} c d\right )} x^{8} + a^{2} c^{2} + 4 \, {\left ({\left (b^{2} c^{2} - 3 \, a b c d + 2 \, a^{2} d^{2}\right )} x^{12} - {\left (a b c^{2} - a^{2} c d\right )} x^{4}\right )} \sqrt {d x^{8} + c} \sqrt {-\frac {a}{b c - a d}}}{b^{2} x^{16} + 2 \, a b x^{8} + a^{2}}\right ) + {\left (b c + 2 \, a d\right )} \sqrt {d} \log \left (-2 \, d x^{8} + 2 \, \sqrt {d x^{8} + c} \sqrt {d} x^{4} - c\right )}{16 \, b^{2} d^{2}}, \frac {2 \, \sqrt {d x^{8} + c} b d x^{4} + a d^{2} \sqrt {-\frac {a}{b c - a d}} \log \left (\frac {{\left (b^{2} c^{2} - 8 \, a b c d + 8 \, a^{2} d^{2}\right )} x^{16} - 2 \, {\left (3 \, a b c^{2} - 4 \, a^{2} c d\right )} x^{8} + a^{2} c^{2} + 4 \, {\left ({\left (b^{2} c^{2} - 3 \, a b c d + 2 \, a^{2} d^{2}\right )} x^{12} - {\left (a b c^{2} - a^{2} c d\right )} x^{4}\right )} \sqrt {d x^{8} + c} \sqrt {-\frac {a}{b c - a d}}}{b^{2} x^{16} + 2 \, a b x^{8} + a^{2}}\right ) + 2 \, {\left (b c + 2 \, a d\right )} \sqrt {-d} \arctan \left (\frac {\sqrt {-d} x^{4}}{\sqrt {d x^{8} + c}}\right )}{16 \, b^{2} d^{2}}, \frac {2 \, \sqrt {d x^{8} + c} b d x^{4} - 2 \, a d^{2} \sqrt {\frac {a}{b c - a d}} \arctan \left (-\frac {{\left ({\left (b c - 2 \, a d\right )} x^{8} - a c\right )} \sqrt {d x^{8} + c} \sqrt {\frac {a}{b c - a d}}}{2 \, {\left (a d x^{12} + a c x^{4}\right )}}\right ) + {\left (b c + 2 \, a d\right )} \sqrt {d} \log \left (-2 \, d x^{8} + 2 \, \sqrt {d x^{8} + c} \sqrt {d} x^{4} - c\right )}{16 \, b^{2} d^{2}}, \frac {\sqrt {d x^{8} + c} b d x^{4} - a d^{2} \sqrt {\frac {a}{b c - a d}} \arctan \left (-\frac {{\left ({\left (b c - 2 \, a d\right )} x^{8} - a c\right )} \sqrt {d x^{8} + c} \sqrt {\frac {a}{b c - a d}}}{2 \, {\left (a d x^{12} + a c x^{4}\right )}}\right ) + {\left (b c + 2 \, a d\right )} \sqrt {-d} \arctan \left (\frac {\sqrt {-d} x^{4}}{\sqrt {d x^{8} + c}}\right )}{8 \, b^{2} d^{2}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: TypeError} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.58, size = 0, normalized size = 0.00 \[ \int \frac {x^{19}}{\left (b \,x^{8}+a \right ) \sqrt {d \,x^{8}+c}}\, dx \]
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 \[ \int \frac {x^{19}}{{\left (b x^{8} + a\right )} \sqrt {d x^{8} + c}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {x^{19}}{\left (b\,x^8+a\right )\,\sqrt {d\,x^8+c}} \,d x \]
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 \[ \int \frac {x^{19}}{\left (a + b x^{8}\right ) \sqrt {c + d x^{8}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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