Optimal. Leaf size=104 \[ -\frac {a^2 \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {c+d x^4}}{\sqrt {b c-a d}}\right )}{2 b^{5/2} \sqrt {b c-a d}}-\frac {\sqrt {c+d x^4} (a d+b c)}{2 b^2 d^2}+\frac {\left (c+d x^4\right )^{3/2}}{6 b d^2} \]
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Rubi [A] time = 0.11, antiderivative size = 104, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {446, 88, 63, 208} \[ -\frac {a^2 \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {c+d x^4}}{\sqrt {b c-a d}}\right )}{2 b^{5/2} \sqrt {b c-a d}}-\frac {\sqrt {c+d x^4} (a d+b c)}{2 b^2 d^2}+\frac {\left (c+d x^4\right )^{3/2}}{6 b d^2} \]
Antiderivative was successfully verified.
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Rule 63
Rule 88
Rule 208
Rule 446
Rubi steps
\begin {align*} \int \frac {x^{11}}{\left (a+b x^4\right ) \sqrt {c+d x^4}} \, dx &=\frac {1}{4} \operatorname {Subst}\left (\int \frac {x^2}{(a+b x) \sqrt {c+d x}} \, dx,x,x^4\right )\\ &=\frac {1}{4} \operatorname {Subst}\left (\int \left (\frac {-b c-a d}{b^2 d \sqrt {c+d x}}+\frac {a^2}{b^2 (a+b x) \sqrt {c+d x}}+\frac {\sqrt {c+d x}}{b d}\right ) \, dx,x,x^4\right )\\ &=-\frac {(b c+a d) \sqrt {c+d x^4}}{2 b^2 d^2}+\frac {\left (c+d x^4\right )^{3/2}}{6 b d^2}+\frac {a^2 \operatorname {Subst}\left (\int \frac {1}{(a+b x) \sqrt {c+d x}} \, dx,x,x^4\right )}{4 b^2}\\ &=-\frac {(b c+a d) \sqrt {c+d x^4}}{2 b^2 d^2}+\frac {\left (c+d x^4\right )^{3/2}}{6 b d^2}+\frac {a^2 \operatorname {Subst}\left (\int \frac {1}{a-\frac {b c}{d}+\frac {b x^2}{d}} \, dx,x,\sqrt {c+d x^4}\right )}{2 b^2 d}\\ &=-\frac {(b c+a d) \sqrt {c+d x^4}}{2 b^2 d^2}+\frac {\left (c+d x^4\right )^{3/2}}{6 b d^2}-\frac {a^2 \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {c+d x^4}}{\sqrt {b c-a d}}\right )}{2 b^{5/2} \sqrt {b c-a d}}\\ \end {align*}
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Mathematica [A] time = 0.26, size = 91, normalized size = 0.88 \[ \frac {\sqrt {c+d x^4} \left (-3 a d-2 b c+b d x^4\right )}{6 b^2 d^2}-\frac {a^2 \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {c+d x^4}}{\sqrt {b c-a d}}\right )}{2 b^{5/2} \sqrt {b c-a d}} \]
Antiderivative was successfully verified.
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fricas [A] time = 1.24, size = 289, normalized size = 2.78 \[ \left [\frac {3 \, \sqrt {b^{2} c - a b d} a^{2} d^{2} \log \left (\frac {b d x^{4} + 2 \, b c - a d - 2 \, \sqrt {d x^{4} + c} \sqrt {b^{2} c - a b d}}{b x^{4} + a}\right ) - 2 \, {\left (2 \, b^{3} c^{2} + a b^{2} c d - 3 \, a^{2} b d^{2} - {\left (b^{3} c d - a b^{2} d^{2}\right )} x^{4}\right )} \sqrt {d x^{4} + c}}{12 \, {\left (b^{4} c d^{2} - a b^{3} d^{3}\right )}}, \frac {3 \, \sqrt {-b^{2} c + a b d} a^{2} d^{2} \arctan \left (\frac {\sqrt {d x^{4} + c} \sqrt {-b^{2} c + a b d}}{b d x^{4} + b c}\right ) - {\left (2 \, b^{3} c^{2} + a b^{2} c d - 3 \, a^{2} b d^{2} - {\left (b^{3} c d - a b^{2} d^{2}\right )} x^{4}\right )} \sqrt {d x^{4} + c}}{6 \, {\left (b^{4} c d^{2} - a b^{3} d^{3}\right )}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.16, size = 106, normalized size = 1.02 \[ \frac {a^{2} \arctan \left (\frac {\sqrt {d x^{4} + c} b}{\sqrt {-b^{2} c + a b d}}\right )}{2 \, \sqrt {-b^{2} c + a b d} b^{2}} + \frac {{\left (d x^{4} + c\right )}^{\frac {3}{2}} b^{2} d^{4} - 3 \, \sqrt {d x^{4} + c} b^{2} c d^{4} - 3 \, \sqrt {d x^{4} + c} a b d^{5}}{6 \, b^{3} d^{6}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.28, size = 378, normalized size = 3.63 \[ \frac {\sqrt {d \,x^{4}+c}\, x^{4}}{6 b d}-\frac {a^{2} \ln \left (\frac {\frac {2 \sqrt {-a b}\, \left (x^{2}-\frac {\sqrt {-a b}}{b}\right ) d}{b}-\frac {2 \left (a d -b c \right )}{b}+2 \sqrt {-\frac {a d -b c}{b}}\, \sqrt {\left (x^{2}-\frac {\sqrt {-a b}}{b}\right )^{2} d +\frac {2 \sqrt {-a b}\, \left (x^{2}-\frac {\sqrt {-a b}}{b}\right ) d}{b}-\frac {a d -b c}{b}}}{x^{2}-\frac {\sqrt {-a b}}{b}}\right )}{4 \sqrt {-\frac {a d -b c}{b}}\, b^{3}}-\frac {a^{2} \ln \left (\frac {-\frac {2 \sqrt {-a b}\, \left (x^{2}+\frac {\sqrt {-a b}}{b}\right ) d}{b}-\frac {2 \left (a d -b c \right )}{b}+2 \sqrt {-\frac {a d -b c}{b}}\, \sqrt {\left (x^{2}+\frac {\sqrt {-a b}}{b}\right )^{2} d -\frac {2 \sqrt {-a b}\, \left (x^{2}+\frac {\sqrt {-a b}}{b}\right ) d}{b}-\frac {a d -b c}{b}}}{x^{2}+\frac {\sqrt {-a b}}{b}}\right )}{4 \sqrt {-\frac {a d -b c}{b}}\, b^{3}}-\frac {\sqrt {d \,x^{4}+c}\, a}{2 b^{2} d}-\frac {\sqrt {d \,x^{4}+c}\, c}{3 b \,d^{2}} \]
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 \[ \text {Exception raised: ValueError} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 4.82, size = 102, normalized size = 0.98 \[ \frac {{\left (d\,x^4+c\right )}^{3/2}}{6\,b\,d^2}-\left (\frac {c}{b\,d^2}+\frac {2\,a\,d^3-2\,b\,c\,d^2}{4\,b^2\,d^4}\right )\,\sqrt {d\,x^4+c}+\frac {a^2\,\mathrm {atan}\left (\frac {\sqrt {b}\,\sqrt {d\,x^4+c}}{\sqrt {a\,d-b\,c}}\right )}{2\,b^{5/2}\,\sqrt {a\,d-b\,c}} \]
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 \[ \int \frac {x^{11}}{\left (a + b x^{4}\right ) \sqrt {c + d x^{4}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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