Optimal. Leaf size=293 \[ -\frac{\left (\sqrt{b} c-\sqrt{a} e\right ) \log \left (-\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt{a}+\sqrt{b} x^2\right )}{4 \sqrt{2} a^{3/4} b^{3/4}}+\frac{\left (\sqrt{b} c-\sqrt{a} e\right ) \log \left (\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt{a}+\sqrt{b} x^2\right )}{4 \sqrt{2} a^{3/4} b^{3/4}}-\frac{\left (\sqrt{a} e+\sqrt{b} c\right ) \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{b} x}{\sqrt [4]{a}}\right )}{2 \sqrt{2} a^{3/4} b^{3/4}}+\frac{\left (\sqrt{a} e+\sqrt{b} c\right ) \tan ^{-1}\left (\frac{\sqrt{2} \sqrt [4]{b} x}{\sqrt [4]{a}}+1\right )}{2 \sqrt{2} a^{3/4} b^{3/4}}+\frac{d \tan ^{-1}\left (\frac{\sqrt{b} x^2}{\sqrt{a}}\right )}{2 \sqrt{a} \sqrt{b}}+\frac{f \log \left (a+b x^4\right )}{4 b} \]
[Out]
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Rubi [A] time = 0.519734, antiderivative size = 293, normalized size of antiderivative = 1., number of steps used = 15, number of rules used = 10, integrand size = 25, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.4 \[ -\frac{\left (\sqrt{b} c-\sqrt{a} e\right ) \log \left (-\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt{a}+\sqrt{b} x^2\right )}{4 \sqrt{2} a^{3/4} b^{3/4}}+\frac{\left (\sqrt{b} c-\sqrt{a} e\right ) \log \left (\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt{a}+\sqrt{b} x^2\right )}{4 \sqrt{2} a^{3/4} b^{3/4}}-\frac{\left (\sqrt{a} e+\sqrt{b} c\right ) \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{b} x}{\sqrt [4]{a}}\right )}{2 \sqrt{2} a^{3/4} b^{3/4}}+\frac{\left (\sqrt{a} e+\sqrt{b} c\right ) \tan ^{-1}\left (\frac{\sqrt{2} \sqrt [4]{b} x}{\sqrt [4]{a}}+1\right )}{2 \sqrt{2} a^{3/4} b^{3/4}}+\frac{d \tan ^{-1}\left (\frac{\sqrt{b} x^2}{\sqrt{a}}\right )}{2 \sqrt{a} \sqrt{b}}+\frac{f \log \left (a+b x^4\right )}{4 b} \]
Antiderivative was successfully verified.
[In] Int[(c + d*x + e*x^2 + f*x^3)/(a + b*x^4),x]
[Out]
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Rubi in Sympy [A] time = 82.7339, size = 272, normalized size = 0.93 \[ \frac{f \log{\left (a + b x^{4} \right )}}{4 b} + \frac{d \operatorname{atan}{\left (\frac{\sqrt{b} x^{2}}{\sqrt{a}} \right )}}{2 \sqrt{a} \sqrt{b}} + \frac{\sqrt{2} \left (\sqrt{a} e - \sqrt{b} c\right ) \log{\left (- \sqrt{2} \sqrt [4]{a} b^{\frac{3}{4}} x + \sqrt{a} \sqrt{b} + b x^{2} \right )}}{8 a^{\frac{3}{4}} b^{\frac{3}{4}}} - \frac{\sqrt{2} \left (\sqrt{a} e - \sqrt{b} c\right ) \log{\left (\sqrt{2} \sqrt [4]{a} b^{\frac{3}{4}} x + \sqrt{a} \sqrt{b} + b x^{2} \right )}}{8 a^{\frac{3}{4}} b^{\frac{3}{4}}} - \frac{\sqrt{2} \left (\sqrt{a} e + \sqrt{b} c\right ) \operatorname{atan}{\left (1 - \frac{\sqrt{2} \sqrt [4]{b} x}{\sqrt [4]{a}} \right )}}{4 a^{\frac{3}{4}} b^{\frac{3}{4}}} + \frac{\sqrt{2} \left (\sqrt{a} e + \sqrt{b} c\right ) \operatorname{atan}{\left (1 + \frac{\sqrt{2} \sqrt [4]{b} x}{\sqrt [4]{a}} \right )}}{4 a^{\frac{3}{4}} b^{\frac{3}{4}}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate((f*x**3+e*x**2+d*x+c)/(b*x**4+a),x)
[Out]
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Mathematica [A] time = 0.570866, size = 296, normalized size = 1.01 \[ \frac{-\sqrt{2} \sqrt [4]{b} \left (\sqrt [4]{a} \sqrt{b} c-a^{3/4} e\right ) \log \left (-\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt{a}+\sqrt{b} x^2\right )+\sqrt{2} \sqrt [4]{b} \left (\sqrt [4]{a} \sqrt{b} c-a^{3/4} e\right ) \log \left (\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x+\sqrt{a}+\sqrt{b} x^2\right )-2 \sqrt [4]{a} \sqrt [4]{b} \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{b} x}{\sqrt [4]{a}}\right ) \left (2 \sqrt [4]{a} \sqrt [4]{b} d+\sqrt{2} \sqrt{a} e+\sqrt{2} \sqrt{b} c\right )+2 \sqrt [4]{a} \sqrt [4]{b} \tan ^{-1}\left (\frac{\sqrt{2} \sqrt [4]{b} x}{\sqrt [4]{a}}+1\right ) \left (-2 \sqrt [4]{a} \sqrt [4]{b} d+\sqrt{2} \sqrt{a} e+\sqrt{2} \sqrt{b} c\right )+2 a f \log \left (a+b x^4\right )}{8 a b} \]
Antiderivative was successfully verified.
[In] Integrate[(c + d*x + e*x^2 + f*x^3)/(a + b*x^4),x]
[Out]
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Maple [A] time = 0.005, size = 294, normalized size = 1. \[{\frac{c\sqrt{2}}{8\,a}\sqrt [4]{{\frac{a}{b}}}\ln \left ({1 \left ({x}^{2}+\sqrt [4]{{\frac{a}{b}}}x\sqrt{2}+\sqrt{{\frac{a}{b}}} \right ) \left ({x}^{2}-\sqrt [4]{{\frac{a}{b}}}x\sqrt{2}+\sqrt{{\frac{a}{b}}} \right ) ^{-1}} \right ) }+{\frac{c\sqrt{2}}{4\,a}\sqrt [4]{{\frac{a}{b}}}\arctan \left ({x\sqrt{2}{\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}}+1 \right ) }+{\frac{c\sqrt{2}}{4\,a}\sqrt [4]{{\frac{a}{b}}}\arctan \left ({x\sqrt{2}{\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}}-1 \right ) }+{\frac{d}{2}\arctan \left ({x}^{2}\sqrt{{\frac{b}{a}}} \right ){\frac{1}{\sqrt{ab}}}}+{\frac{e\sqrt{2}}{8\,b}\ln \left ({1 \left ({x}^{2}-\sqrt [4]{{\frac{a}{b}}}x\sqrt{2}+\sqrt{{\frac{a}{b}}} \right ) \left ({x}^{2}+\sqrt [4]{{\frac{a}{b}}}x\sqrt{2}+\sqrt{{\frac{a}{b}}} \right ) ^{-1}} \right ){\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}}+{\frac{e\sqrt{2}}{4\,b}\arctan \left ({x\sqrt{2}{\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}}+1 \right ){\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}}+{\frac{e\sqrt{2}}{4\,b}\arctan \left ({x\sqrt{2}{\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}}-1 \right ){\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}}+{\frac{f\ln \left ( b{x}^{4}+a \right ) }{4\,b}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int((f*x^3+e*x^2+d*x+c)/(b*x^4+a),x)
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Maxima [F] time = 0., size = 0, normalized size = 0. \[ \text{Exception raised: ValueError} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((f*x^3 + e*x^2 + d*x + c)/(b*x^4 + a),x, algorithm="maxima")
[Out]
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Fricas [F(-2)] time = 0., size = 0, normalized size = 0. \[ \text{Exception raised: NotImplementedError} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((f*x^3 + e*x^2 + d*x + c)/(b*x^4 + a),x, algorithm="fricas")
[Out]
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Sympy [A] time = 24.9786, size = 950, normalized size = 3.24 \[ \operatorname{RootSum}{\left (256 t^{4} a^{3} b^{4} - 256 t^{3} a^{3} b^{3} f + t^{2} \left (96 a^{3} b^{2} f^{2} + 64 a^{2} b^{3} c e + 32 a^{2} b^{3} d^{2}\right ) + t \left (- 16 a^{3} b f^{3} - 32 a^{2} b^{2} c e f - 16 a^{2} b^{2} d^{2} f + 16 a^{2} b^{2} d e^{2} - 16 a b^{3} c^{2} d\right ) + a^{3} f^{4} + 4 a^{2} b c e f^{2} + 2 a^{2} b d^{2} f^{2} - 4 a^{2} b d e^{2} f + a^{2} b e^{4} + 4 a b^{2} c^{2} d f + 2 a b^{2} c^{2} e^{2} - 4 a b^{2} c d^{2} e + a b^{2} d^{4} + b^{3} c^{4}, \left ( t \mapsto t \log{\left (x + \frac{64 t^{3} a^{4} b^{3} e^{3} - 64 t^{3} a^{3} b^{4} c^{2} e + 128 t^{3} a^{3} b^{4} c d^{2} - 48 t^{2} a^{4} b^{2} e^{3} f + 48 t^{2} a^{3} b^{3} c^{2} e f - 96 t^{2} a^{3} b^{3} c d^{2} f + 48 t^{2} a^{3} b^{3} c d e^{2} - 32 t^{2} a^{3} b^{3} d^{3} e + 16 t^{2} a^{2} b^{4} c^{3} d + 12 t a^{4} b e^{3} f^{2} - 12 t a^{3} b^{2} c^{2} e f^{2} + 24 t a^{3} b^{2} c d^{2} f^{2} - 24 t a^{3} b^{2} c d e^{2} f + 12 t a^{3} b^{2} c e^{4} + 16 t a^{3} b^{2} d^{3} e f + 12 t a^{3} b^{2} d^{2} e^{3} - 8 t a^{2} b^{3} c^{3} d f - 16 t a^{2} b^{3} c^{3} e^{2} + 36 t a^{2} b^{3} c^{2} d^{2} e + 8 t a^{2} b^{3} c d^{4} + 4 t a b^{4} c^{5} - a^{4} e^{3} f^{3} + a^{3} b c^{2} e f^{3} - 2 a^{3} b c d^{2} f^{3} + 3 a^{3} b c d e^{2} f^{2} - 3 a^{3} b c e^{4} f - 2 a^{3} b d^{3} e f^{2} - 3 a^{3} b d^{2} e^{3} f + 3 a^{3} b d e^{5} + a^{2} b^{2} c^{3} d f^{2} + 4 a^{2} b^{2} c^{3} e^{2} f - 9 a^{2} b^{2} c^{2} d^{2} e f - 2 a^{2} b^{2} c d^{4} f + 5 a^{2} b^{2} c d^{3} e^{2} - 2 a^{2} b^{2} d^{5} e - a b^{3} c^{5} f + 5 a b^{3} c^{4} d e - 5 a b^{3} c^{3} d^{3}}{a^{3} b e^{6} - a^{2} b^{2} c^{2} e^{4} + 8 a^{2} b^{2} c d^{2} e^{3} - 4 a^{2} b^{2} d^{4} e^{2} - a b^{3} c^{4} e^{2} + 8 a b^{3} c^{3} d^{2} e - 4 a b^{3} c^{2} d^{4} + b^{4} c^{6}} \right )} \right )\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((f*x**3+e*x**2+d*x+c)/(b*x**4+a),x)
[Out]
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GIAC/XCAS [A] time = 0.23119, size = 392, normalized size = 1.34 \[ \frac{f{\rm ln}\left ({\left | b x^{4} + a \right |}\right )}{4 \, b} - \frac{\sqrt{2}{\left (\sqrt{2} \sqrt{a b} b^{2} d - \left (a b^{3}\right )^{\frac{1}{4}} b^{2} c - \left (a b^{3}\right )^{\frac{3}{4}} e\right )} \arctan \left (\frac{\sqrt{2}{\left (2 \, x + \sqrt{2} \left (\frac{a}{b}\right )^{\frac{1}{4}}\right )}}{2 \, \left (\frac{a}{b}\right )^{\frac{1}{4}}}\right )}{4 \, a b^{3}} - \frac{\sqrt{2}{\left (\sqrt{2} \sqrt{a b} b^{2} d - \left (a b^{3}\right )^{\frac{1}{4}} b^{2} c - \left (a b^{3}\right )^{\frac{3}{4}} e\right )} \arctan \left (\frac{\sqrt{2}{\left (2 \, x - \sqrt{2} \left (\frac{a}{b}\right )^{\frac{1}{4}}\right )}}{2 \, \left (\frac{a}{b}\right )^{\frac{1}{4}}}\right )}{4 \, a b^{3}} + \frac{\sqrt{2}{\left (\left (a b^{3}\right )^{\frac{1}{4}} b^{2} c - \left (a b^{3}\right )^{\frac{3}{4}} e\right )}{\rm ln}\left (x^{2} + \sqrt{2} x \left (\frac{a}{b}\right )^{\frac{1}{4}} + \sqrt{\frac{a}{b}}\right )}{8 \, a b^{3}} - \frac{\sqrt{2}{\left (\left (a b^{3}\right )^{\frac{1}{4}} b^{2} c - \left (a b^{3}\right )^{\frac{3}{4}} e\right )}{\rm ln}\left (x^{2} - \sqrt{2} x \left (\frac{a}{b}\right )^{\frac{1}{4}} + \sqrt{\frac{a}{b}}\right )}{8 \, a b^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((f*x^3 + e*x^2 + d*x + c)/(b*x^4 + a),x, algorithm="giac")
[Out]