3.1038 \(\int \frac {1}{x^4 \sqrt {a+(2+2 c-2 (1+c)) x^4}} \, dx\)

Optimal. Leaf size=12 \[ -\frac {1}{3 \sqrt {a} x^3} \]

[Out]

-1/3/x^3/a^(1/2)

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Rubi [A]  time = 0.00, antiderivative size = 12, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {2, 12, 30} \[ -\frac {1}{3 \sqrt {a} x^3} \]

Antiderivative was successfully verified.

[In]

Int[1/(x^4*Sqrt[a + (2 + 2*c - 2*(1 + c))*x^4]),x]

[Out]

-1/(3*Sqrt[a]*x^3)

Rule 2

Int[(u_.)*((a_.) + (b_.)*(x_)^(n_.))^(p_.), x_Symbol] :> Int[u*a^p, x] /; FreeQ[{a, b, n, p}, x] && EqQ[b, 0]

Rule 12

Int[(a_)*(u_), x_Symbol] :> Dist[a, Int[u, x], x] /; FreeQ[a, x] &&  !MatchQ[u, (b_)*(v_) /; FreeQ[b, x]]

Rule 30

Int[(x_)^(m_.), x_Symbol] :> Simp[x^(m + 1)/(m + 1), x] /; FreeQ[m, x] && NeQ[m, -1]

Rubi steps

\begin {align*} \int \frac {1}{x^4 \sqrt {a+(2+2 c-2 (1+c)) x^4}} \, dx &=\int \frac {1}{\sqrt {a} x^4} \, dx\\ &=\frac {\int \frac {1}{x^4} \, dx}{\sqrt {a}}\\ &=-\frac {1}{3 \sqrt {a} x^3}\\ \end {align*}

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Mathematica [A]  time = 0.00, size = 12, normalized size = 1.00 \[ -\frac {1}{3 \sqrt {a} x^3} \]

Antiderivative was successfully verified.

[In]

Integrate[1/(x^4*Sqrt[a + (2 + 2*c - 2*(1 + c))*x^4]),x]

[Out]

-1/3*1/(Sqrt[a]*x^3)

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fricas [A]  time = 0.83, size = 8, normalized size = 0.67 \[ -\frac {1}{3 \, \sqrt {a} x^{3}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/x^4/a^(1/2),x, algorithm="fricas")

[Out]

-1/3/(sqrt(a)*x^3)

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giac [A]  time = 0.18, size = 8, normalized size = 0.67 \[ -\frac {1}{3 \, \sqrt {a} x^{3}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/x^4/a^(1/2),x, algorithm="giac")

[Out]

-1/3/(sqrt(a)*x^3)

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maple [A]  time = 0.00, size = 9, normalized size = 0.75 \[ -\frac {1}{3 \sqrt {a}\, x^{3}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/x^4/a^(1/2),x)

[Out]

-1/3/x^3/a^(1/2)

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maxima [A]  time = 1.00, size = 8, normalized size = 0.67 \[ -\frac {1}{3 \, \sqrt {a} x^{3}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/x^4/a^(1/2),x, algorithm="maxima")

[Out]

-1/3/(sqrt(a)*x^3)

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mupad [B]  time = 4.33, size = 8, normalized size = 0.67 \[ -\frac {1}{3\,\sqrt {a}\,x^3} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/(a^(1/2)*x^4),x)

[Out]

-1/(3*a^(1/2)*x^3)

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sympy [A]  time = 0.07, size = 12, normalized size = 1.00 \[ - \frac {1}{3 \sqrt {a} x^{3}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/x**4/a**(1/2),x)

[Out]

-1/(3*sqrt(a)*x**3)

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