3.1074 \(\int \frac {x^2}{(-2-3 x^2) (-1-3 x^2)^{3/4}} \, dx\)

Optimal. Leaf size=61 \[ \frac {\tan ^{-1}\left (\frac {\sqrt {\frac {3}{2}} x}{\sqrt [4]{-3 x^2-1}}\right )}{3 \sqrt {6}}-\frac {\tanh ^{-1}\left (\frac {\sqrt {\frac {3}{2}} x}{\sqrt [4]{-3 x^2-1}}\right )}{3 \sqrt {6}} \]

[Out]

1/18*arctan(1/2*x*6^(1/2)/(-3*x^2-1)^(1/4))*6^(1/2)-1/18*arctanh(1/2*x*6^(1/2)/(-3*x^2-1)^(1/4))*6^(1/2)

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Rubi [A]  time = 0.02, antiderivative size = 61, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.042, Rules used = {442} \[ \frac {\tan ^{-1}\left (\frac {\sqrt {\frac {3}{2}} x}{\sqrt [4]{-3 x^2-1}}\right )}{3 \sqrt {6}}-\frac {\tanh ^{-1}\left (\frac {\sqrt {\frac {3}{2}} x}{\sqrt [4]{-3 x^2-1}}\right )}{3 \sqrt {6}} \]

Antiderivative was successfully verified.

[In]

Int[x^2/((-2 - 3*x^2)*(-1 - 3*x^2)^(3/4)),x]

[Out]

ArcTan[(Sqrt[3/2]*x)/(-1 - 3*x^2)^(1/4)]/(3*Sqrt[6]) - ArcTanh[(Sqrt[3/2]*x)/(-1 - 3*x^2)^(1/4)]/(3*Sqrt[6])

Rule 442

Int[(x_)^2/(((a_) + (b_.)*(x_)^2)^(3/4)*((c_) + (d_.)*(x_)^2)), x_Symbol] :> -Simp[(b*ArcTan[(Rt[-(b^2/a), 4]*
x)/(Sqrt[2]*(a + b*x^2)^(1/4))])/(Sqrt[2]*a*d*Rt[-(b^2/a), 4]^3), x] + Simp[(b*ArcTanh[(Rt[-(b^2/a), 4]*x)/(Sq
rt[2]*(a + b*x^2)^(1/4))])/(Sqrt[2]*a*d*Rt[-(b^2/a), 4]^3), x] /; FreeQ[{a, b, c, d}, x] && EqQ[b*c - 2*a*d, 0
] && NegQ[b^2/a]

Rubi steps

\begin {align*} \int \frac {x^2}{\left (-2-3 x^2\right ) \left (-1-3 x^2\right )^{3/4}} \, dx &=\frac {\tan ^{-1}\left (\frac {\sqrt {\frac {3}{2}} x}{\sqrt [4]{-1-3 x^2}}\right )}{3 \sqrt {6}}-\frac {\tanh ^{-1}\left (\frac {\sqrt {\frac {3}{2}} x}{\sqrt [4]{-1-3 x^2}}\right )}{3 \sqrt {6}}\\ \end {align*}

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Mathematica [C]  time = 0.10, size = 52, normalized size = 0.85 \[ -\frac {x^3 \left (3 x^2+1\right )^{3/4} F_1\left (\frac {3}{2};\frac {3}{4},1;\frac {5}{2};-3 x^2,-\frac {3 x^2}{2}\right )}{6 \left (-3 x^2-1\right )^{3/4}} \]

Warning: Unable to verify antiderivative.

[In]

Integrate[x^2/((-2 - 3*x^2)*(-1 - 3*x^2)^(3/4)),x]

[Out]

-1/6*(x^3*(1 + 3*x^2)^(3/4)*AppellF1[3/2, 3/4, 1, 5/2, -3*x^2, (-3*x^2)/2])/(-1 - 3*x^2)^(3/4)

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fricas [C]  time = 0.81, size = 115, normalized size = 1.89 \[ -\frac {1}{36} \, \sqrt {6} \log \left (\frac {\sqrt {6} x + 2 \, {\left (-3 \, x^{2} - 1\right )}^{\frac {1}{4}}}{2 \, x}\right ) + \frac {1}{36} \, \sqrt {6} \log \left (-\frac {\sqrt {6} x - 2 \, {\left (-3 \, x^{2} - 1\right )}^{\frac {1}{4}}}{2 \, x}\right ) - \frac {1}{36} i \, \sqrt {6} \log \left (\frac {i \, \sqrt {6} x + 2 \, {\left (-3 \, x^{2} - 1\right )}^{\frac {1}{4}}}{2 \, x}\right ) + \frac {1}{36} i \, \sqrt {6} \log \left (\frac {-i \, \sqrt {6} x + 2 \, {\left (-3 \, x^{2} - 1\right )}^{\frac {1}{4}}}{2 \, x}\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^2/(-3*x^2-2)/(-3*x^2-1)^(3/4),x, algorithm="fricas")

[Out]

-1/36*sqrt(6)*log(1/2*(sqrt(6)*x + 2*(-3*x^2 - 1)^(1/4))/x) + 1/36*sqrt(6)*log(-1/2*(sqrt(6)*x - 2*(-3*x^2 - 1
)^(1/4))/x) - 1/36*I*sqrt(6)*log(1/2*(I*sqrt(6)*x + 2*(-3*x^2 - 1)^(1/4))/x) + 1/36*I*sqrt(6)*log(1/2*(-I*sqrt
(6)*x + 2*(-3*x^2 - 1)^(1/4))/x)

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giac [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int -\frac {x^{2}}{{\left (3 \, x^{2} + 2\right )} {\left (-3 \, x^{2} - 1\right )}^{\frac {3}{4}}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^2/(-3*x^2-2)/(-3*x^2-1)^(3/4),x, algorithm="giac")

[Out]

integrate(-x^2/((3*x^2 + 2)*(-3*x^2 - 1)^(3/4)), x)

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maple [C]  time = 1.32, size = 138, normalized size = 2.26 \[ \frac {\RootOf \left (\textit {\_Z}^{2}-6\right ) \ln \left (-\frac {-3 \sqrt {-3 x^{2}-1}\, x +3 x +\left (-3 x^{2}-1\right )^{\frac {3}{4}} \RootOf \left (\textit {\_Z}^{2}-6\right )-\left (-3 x^{2}-1\right )^{\frac {1}{4}} \RootOf \left (\textit {\_Z}^{2}-6\right )}{3 x^{2}+2}\right )}{18}+\frac {\RootOf \left (\textit {\_Z}^{2}+6\right ) \ln \left (\frac {3 \sqrt {-3 x^{2}-1}\, x +3 x +\left (-3 x^{2}-1\right )^{\frac {3}{4}} \RootOf \left (\textit {\_Z}^{2}+6\right )+\left (-3 x^{2}-1\right )^{\frac {1}{4}} \RootOf \left (\textit {\_Z}^{2}+6\right )}{3 x^{2}+2}\right )}{18} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^2/(-3*x^2-2)/(-3*x^2-1)^(3/4),x)

[Out]

1/18*RootOf(_Z^2+6)*ln(((-3*x^2-1)^(3/4)*RootOf(_Z^2+6)+3*(-3*x^2-1)^(1/2)*x+RootOf(_Z^2+6)*(-3*x^2-1)^(1/4)+3
*x)/(3*x^2+2))+1/18*RootOf(_Z^2-6)*ln(-((-3*x^2-1)^(3/4)*RootOf(_Z^2-6)-3*(-3*x^2-1)^(1/2)*x-RootOf(_Z^2-6)*(-
3*x^2-1)^(1/4)+3*x)/(3*x^2+2))

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maxima [F]  time = 0.00, size = 0, normalized size = 0.00 \[ -\int \frac {x^{2}}{{\left (3 \, x^{2} + 2\right )} {\left (-3 \, x^{2} - 1\right )}^{\frac {3}{4}}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^2/(-3*x^2-2)/(-3*x^2-1)^(3/4),x, algorithm="maxima")

[Out]

-integrate(x^2/((3*x^2 + 2)*(-3*x^2 - 1)^(3/4)), x)

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mupad [F]  time = 0.00, size = -1, normalized size = -0.02 \[ -\int \frac {x^2}{{\left (-3\,x^2-1\right )}^{3/4}\,\left (3\,x^2+2\right )} \,d x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(-x^2/((- 3*x^2 - 1)^(3/4)*(3*x^2 + 2)),x)

[Out]

-int(x^2/((- 3*x^2 - 1)^(3/4)*(3*x^2 + 2)), x)

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sympy [F]  time = 0.00, size = 0, normalized size = 0.00 \[ - \int \frac {x^{2}}{3 x^{2} \left (- 3 x^{2} - 1\right )^{\frac {3}{4}} + 2 \left (- 3 x^{2} - 1\right )^{\frac {3}{4}}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x**2/(-3*x**2-2)/(-3*x**2-1)**(3/4),x)

[Out]

-Integral(x**2/(3*x**2*(-3*x**2 - 1)**(3/4) + 2*(-3*x**2 - 1)**(3/4)), x)

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