Optimal. Leaf size=93 \[ -\frac{c^4 \log \left (b+c x^n\right )}{b^5 n}+\frac{c^4 \log (x)}{b^5}+\frac{c^3 x^{-n}}{b^4 n}-\frac{c^2 x^{-2 n}}{2 b^3 n}+\frac{c x^{-3 n}}{3 b^2 n}-\frac{x^{-4 n}}{4 b n} \]
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Rubi [A] time = 0.108819, antiderivative size = 93, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.13 \[ -\frac{c^4 \log \left (b+c x^n\right )}{b^5 n}+\frac{c^4 \log (x)}{b^5}+\frac{c^3 x^{-n}}{b^4 n}-\frac{c^2 x^{-2 n}}{2 b^3 n}+\frac{c x^{-3 n}}{3 b^2 n}-\frac{x^{-4 n}}{4 b n} \]
Antiderivative was successfully verified.
[In] Int[x^(-1 - 3*n)/(b*x^n + c*x^(2*n)),x]
[Out]
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Rubi in Sympy [A] time = 20.2316, size = 82, normalized size = 0.88 \[ - \frac{x^{- 4 n}}{4 b n} + \frac{c x^{- 3 n}}{3 b^{2} n} - \frac{c^{2} x^{- 2 n}}{2 b^{3} n} + \frac{c^{3} x^{- n}}{b^{4} n} + \frac{c^{4} \log{\left (x^{n} \right )}}{b^{5} n} - \frac{c^{4} \log{\left (b + c x^{n} \right )}}{b^{5} n} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate(x**(-1-3*n)/(b*x**n+c*x**(2*n)),x)
[Out]
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Mathematica [A] time = 0.0588833, size = 74, normalized size = 0.8 \[ -\frac{x^{-4 n} \left (b \left (3 b^3-4 b^2 c x^n+6 b c^2 x^{2 n}-12 c^3 x^{3 n}\right )+12 c^4 x^{4 n} \log \left (b x^{-n}+c\right )\right )}{12 b^5 n} \]
Antiderivative was successfully verified.
[In] Integrate[x^(-1 - 3*n)/(b*x^n + c*x^(2*n)),x]
[Out]
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Maple [A] time = 0.045, size = 105, normalized size = 1.1 \[{\frac{1}{ \left ({{\rm e}^{n\ln \left ( x \right ) }} \right ) ^{4}} \left ({\frac{{c}^{3} \left ({{\rm e}^{n\ln \left ( x \right ) }} \right ) ^{3}}{{b}^{4}n}}-{\frac{1}{4\,bn}}+{\frac{c{{\rm e}^{n\ln \left ( x \right ) }}}{3\,{b}^{2}n}}-{\frac{{c}^{2} \left ({{\rm e}^{n\ln \left ( x \right ) }} \right ) ^{2}}{2\,{b}^{3}n}}+{\frac{{c}^{4}\ln \left ( x \right ) \left ({{\rm e}^{n\ln \left ( x \right ) }} \right ) ^{4}}{{b}^{5}}} \right ) }-{\frac{{c}^{4}\ln \left ( c{{\rm e}^{n\ln \left ( x \right ) }}+b \right ) }{{b}^{5}n}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int(x^(-1-3*n)/(b*x^n+c*x^(2*n)),x)
[Out]
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Maxima [A] time = 0.749778, size = 111, normalized size = 1.19 \[ \frac{c^{4} \log \left (x\right )}{b^{5}} - \frac{c^{4} \log \left (\frac{c x^{n} + b}{c}\right )}{b^{5} n} + \frac{{\left (12 \, c^{3} x^{3 \, n} - 6 \, b c^{2} x^{2 \, n} + 4 \, b^{2} c x^{n} - 3 \, b^{3}\right )} x^{-4 \, n}}{12 \, b^{4} n} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x^(-3*n - 1)/(c*x^(2*n) + b*x^n),x, algorithm="maxima")
[Out]
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Fricas [A] time = 0.291579, size = 115, normalized size = 1.24 \[ \frac{12 \, c^{4} n x^{4 \, n} \log \left (x\right ) - 12 \, c^{4} x^{4 \, n} \log \left (c x^{n} + b\right ) + 12 \, b c^{3} x^{3 \, n} - 6 \, b^{2} c^{2} x^{2 \, n} + 4 \, b^{3} c x^{n} - 3 \, b^{4}}{12 \, b^{5} n x^{4 \, n}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x^(-3*n - 1)/(c*x^(2*n) + b*x^n),x, algorithm="fricas")
[Out]
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \[ \text{Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x**(-1-3*n)/(b*x**n+c*x**(2*n)),x)
[Out]
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GIAC/XCAS [F] time = 0., size = 0, normalized size = 0. \[ \int \frac{x^{-3 \, n - 1}}{c x^{2 \, n} + b x^{n}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x^(-3*n - 1)/(c*x^(2*n) + b*x^n),x, algorithm="giac")
[Out]