3.1321 \(\int \frac{x^5}{a+b x^6} \, dx\)

Optimal. Leaf size=15 \[ \frac{\log \left (a+b x^6\right )}{6 b} \]

[Out]

Log[a + b*x^6]/(6*b)

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Rubi [A]  time = 0.0035342, antiderivative size = 15, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.077, Rules used = {260} \[ \frac{\log \left (a+b x^6\right )}{6 b} \]

Antiderivative was successfully verified.

[In]

Int[x^5/(a + b*x^6),x]

[Out]

Log[a + b*x^6]/(6*b)

Rule 260

Int[(x_)^(m_.)/((a_) + (b_.)*(x_)^(n_)), x_Symbol] :> Simp[Log[RemoveContent[a + b*x^n, x]]/(b*n), x] /; FreeQ
[{a, b, m, n}, x] && EqQ[m, n - 1]

Rubi steps

\begin{align*} \int \frac{x^5}{a+b x^6} \, dx &=\frac{\log \left (a+b x^6\right )}{6 b}\\ \end{align*}

Mathematica [A]  time = 0.0033874, size = 15, normalized size = 1. \[ \frac{\log \left (a+b x^6\right )}{6 b} \]

Antiderivative was successfully verified.

[In]

Integrate[x^5/(a + b*x^6),x]

[Out]

Log[a + b*x^6]/(6*b)

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Maple [A]  time = 0., size = 14, normalized size = 0.9 \begin{align*}{\frac{\ln \left ( b{x}^{6}+a \right ) }{6\,b}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^5/(b*x^6+a),x)

[Out]

1/6*ln(b*x^6+a)/b

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Maxima [A]  time = 0.965559, size = 18, normalized size = 1.2 \begin{align*} \frac{\log \left (b x^{6} + a\right )}{6 \, b} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^5/(b*x^6+a),x, algorithm="maxima")

[Out]

1/6*log(b*x^6 + a)/b

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Fricas [A]  time = 1.64763, size = 30, normalized size = 2. \begin{align*} \frac{\log \left (b x^{6} + a\right )}{6 \, b} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^5/(b*x^6+a),x, algorithm="fricas")

[Out]

1/6*log(b*x^6 + a)/b

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Sympy [A]  time = 0.179066, size = 10, normalized size = 0.67 \begin{align*} \frac{\log{\left (a + b x^{6} \right )}}{6 b} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x**5/(b*x**6+a),x)

[Out]

log(a + b*x**6)/(6*b)

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Giac [A]  time = 1.31816, size = 19, normalized size = 1.27 \begin{align*} \frac{\log \left ({\left | b x^{6} + a \right |}\right )}{6 \, b} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^5/(b*x^6+a),x, algorithm="giac")

[Out]

1/6*log(abs(b*x^6 + a))/b