3.2.88 \(\int \frac {1+x^8}{\sqrt [4]{1-x^8} (-1+x^8)} \, dx\)

Optimal. Leaf size=20 \[ \frac {x \left (1-x^8\right )^{3/4}}{x^8-1} \]

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Rubi [A]  time = 0.00, antiderivative size = 14, normalized size of antiderivative = 0.70, number of steps used = 2, number of rules used = 2, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {21, 383} \begin {gather*} -\frac {x}{\sqrt [4]{1-x^8}} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(1 + x^8)/((1 - x^8)^(1/4)*(-1 + x^8)),x]

[Out]

-(x/(1 - x^8)^(1/4))

Rule 21

Int[(u_.)*((a_) + (b_.)*(v_))^(m_.)*((c_) + (d_.)*(v_))^(n_.), x_Symbol] :> Dist[(b/d)^m, Int[u*(c + d*v)^(m +
n), x], x] /; FreeQ[{a, b, c, d, n}, x] && EqQ[b*c - a*d, 0] && IntegerQ[m] && ( !IntegerQ[n] || SimplerQ[c +
d*x, a + b*x])

Rule 383

Int[((a_) + (b_.)*(x_)^(n_))^(p_.)*((c_) + (d_.)*(x_)^(n_)), x_Symbol] :> Simp[(c*x*(a + b*x^n)^(p + 1))/a, x]
/; FreeQ[{a, b, c, d, n, p}, x] && NeQ[b*c - a*d, 0] && EqQ[a*d - b*c*(n*(p + 1) + 1), 0]

Rubi steps

\begin {align*} \int \frac {1+x^8}{\sqrt [4]{1-x^8} \left (-1+x^8\right )} \, dx &=-\int \frac {1+x^8}{\left (1-x^8\right )^{5/4}} \, dx\\ &=-\frac {x}{\sqrt [4]{1-x^8}}\\ \end {align*}

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Mathematica [A]  time = 0.01, size = 14, normalized size = 0.70 \begin {gather*} -\frac {x}{\sqrt [4]{1-x^8}} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(1 + x^8)/((1 - x^8)^(1/4)*(-1 + x^8)),x]

[Out]

-(x/(1 - x^8)^(1/4))

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IntegrateAlgebraic [A]  time = 0.50, size = 20, normalized size = 1.00 \begin {gather*} \frac {x \left (1-x^8\right )^{3/4}}{-1+x^8} \end {gather*}

Antiderivative was successfully verified.

[In]

IntegrateAlgebraic[(1 + x^8)/((1 - x^8)^(1/4)*(-1 + x^8)),x]

[Out]

(x*(1 - x^8)^(3/4))/(-1 + x^8)

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fricas [A]  time = 0.47, size = 18, normalized size = 0.90 \begin {gather*} \frac {{\left (-x^{8} + 1\right )}^{\frac {3}{4}} x}{x^{8} - 1} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((x^8+1)/(-x^8+1)^(1/4)/(x^8-1),x, algorithm="fricas")

[Out]

(-x^8 + 1)^(3/4)*x/(x^8 - 1)

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giac [F]  time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {x^{8} + 1}{{\left (x^{8} - 1\right )} {\left (-x^{8} + 1\right )}^{\frac {1}{4}}}\,{d x} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((x^8+1)/(-x^8+1)^(1/4)/(x^8-1),x, algorithm="giac")

[Out]

integrate((x^8 + 1)/((x^8 - 1)*(-x^8 + 1)^(1/4)), x)

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maple [A]  time = 0.13, size = 13, normalized size = 0.65

method	result	size
gosper	\(-\frac {x}{\left (-x^{8}+1\right )^{\frac {1}{4}}}\)	\(13\)
risch	\(-\frac {x}{\left (-x^{8}+1\right )^{\frac {1}{4}}}\)	\(13\)
trager	\(\frac {x \left (-x^{8}+1\right )^{\frac {3}{4}}}{x^{8}-1}\)	\(19\)
meijerg	\(-\hypergeom \left (\left [\frac {1}{8}, \frac {5}{4}\right ], \left [\frac {9}{8}\right ], x^{8}\right ) x -\frac {\hypergeom \left (\left [\frac {9}{8}, \frac {5}{4}\right ], \left [\frac {17}{8}\right ], x^{8}\right ) x^{9}}{9}\)	\(28\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((x^8+1)/(-x^8+1)^(1/4)/(x^8-1),x,method=_RETURNVERBOSE)

[Out]

-x/(-x^8+1)^(1/4)

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maxima [A]  time = 0.60, size = 29, normalized size = 1.45 \begin {gather*} -\frac {x}{{\left (x^{4} + 1\right )}^{\frac {1}{4}} {\left (x^{2} + 1\right )}^{\frac {1}{4}} {\left (x + 1\right )}^{\frac {1}{4}} {\left (-x + 1\right )}^{\frac {1}{4}}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((x^8+1)/(-x^8+1)^(1/4)/(x^8-1),x, algorithm="maxima")

[Out]

-x/((x^4 + 1)^(1/4)*(x^2 + 1)^(1/4)*(x + 1)^(1/4)*(-x + 1)^(1/4))

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mupad [B]  time = 0.24, size = 12, normalized size = 0.60 \begin {gather*} -\frac {x}{{\left (1-x^8\right )}^{1/4}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(-(x^8 + 1)/(1 - x^8)^(5/4),x)

[Out]

-x/(1 - x^8)^(1/4)

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sympy [F]  time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {x^{8} + 1}{\sqrt [4]{- \left (x - 1\right ) \left (x + 1\right ) \left (x^{2} + 1\right ) \left (x^{4} + 1\right )} \left (x - 1\right ) \left (x + 1\right ) \left (x^{2} + 1\right ) \left (x^{4} + 1\right )}\, dx \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((x**8+1)/(-x**8+1)**(1/4)/(x**8-1),x)

[Out]

Integral((x**8 + 1)/((-(x - 1)*(x + 1)*(x**2 + 1)*(x**4 + 1))**(1/4)*(x - 1)*(x + 1)*(x**2 + 1)*(x**4 + 1)), x
)

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