3.69.50 \(\int -\frac {288 e^{15} x^2}{e^{30}+32 e^{15} x^3+256 x^6} \, dx\)

Optimal. Leaf size=15 \[ \frac {6 x}{x+\frac {16 x^4}{e^{15}}} \]

________________________________________________________________________________________

Rubi [A]  time = 0.01, antiderivative size = 16, normalized size of antiderivative = 1.07, number of steps used = 3, number of rules used = 3, integrand size = 27, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {12, 28, 261} \begin {gather*} \frac {6 e^{15}}{16 x^3+e^{15}} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(-288*E^15*x^2)/(E^30 + 32*E^15*x^3 + 256*x^6),x]

[Out]

(6*E^15)/(E^15 + 16*x^3)

Rule 12

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

Rule 28

Int[(u_.)*((a_) + (c_.)*(x_)^(n2_.) + (b_.)*(x_)^(n_))^(p_.), x_Symbol] :> Dist[1/c^p, Int[u*(b/2 + c*x^n)^(2*
p), x], x] /; FreeQ[{a, b, c, n}, x] && EqQ[n2, 2*n] && EqQ[b^2 - 4*a*c, 0] && IntegerQ[p]

Rule 261

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

Rubi steps

\begin {gather*} \begin {aligned} \text {integral} &=-\left (\left (288 e^{15}\right ) \int \frac {x^2}{e^{30}+32 e^{15} x^3+256 x^6} \, dx\right )\\ &=-\left (\left (73728 e^{15}\right ) \int \frac {x^2}{\left (16 e^{15}+256 x^3\right )^2} \, dx\right )\\ &=\frac {6 e^{15}}{e^{15}+16 x^3}\\ \end {aligned} \end {gather*}

________________________________________________________________________________________

Mathematica [A]  time = 0.01, size = 16, normalized size = 1.07 \begin {gather*} \frac {6 e^{15}}{e^{15}+16 x^3} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(-288*E^15*x^2)/(E^30 + 32*E^15*x^3 + 256*x^6),x]

[Out]

(6*E^15)/(E^15 + 16*x^3)

________________________________________________________________________________________

fricas [A]  time = 0.50, size = 14, normalized size = 0.93 \begin {gather*} \frac {6 \, e^{15}}{16 \, x^{3} + e^{15}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(-288*x^2*exp(3)^5/(exp(3)^10+32*x^3*exp(3)^5+256*x^6),x, algorithm="fricas")

[Out]

6*e^15/(16*x^3 + e^15)

________________________________________________________________________________________

giac [F(-2)]  time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: NotImplementedError} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(-288*x^2*exp(3)^5/(exp(3)^10+32*x^3*exp(3)^5+256*x^6),x, algorithm="giac")

[Out]

Exception raised: NotImplementedError >> Unable to parse Giac output: -288*exp(15)/48/sqrt(-exp(15)^2+exp(30))
*atan((16*sageVARx^3+exp(15))/sqrt(-exp(15)^2+exp(30)))

________________________________________________________________________________________

maple [A]  time = 0.05, size = 15, normalized size = 1.00




method result size



risch \(\frac {6 \,{\mathrm e}^{15}}{{\mathrm e}^{15}+16 x^{3}}\) \(15\)
gosper \(\frac {6 \,{\mathrm e}^{15}}{{\mathrm e}^{15}+16 x^{3}}\) \(19\)
norman \(\frac {6 \,{\mathrm e}^{15}}{{\mathrm e}^{15}+16 x^{3}}\) \(19\)



Verification of antiderivative is not currently implemented for this CAS.

[In]

int(-288*x^2*exp(3)^5/(exp(3)^10+32*x^3*exp(3)^5+256*x^6),x,method=_RETURNVERBOSE)

[Out]

6*exp(15)/(exp(15)+16*x^3)

________________________________________________________________________________________

maxima [A]  time = 0.36, size = 14, normalized size = 0.93 \begin {gather*} \frac {6 \, e^{15}}{16 \, x^{3} + e^{15}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(-288*x^2*exp(3)^5/(exp(3)^10+32*x^3*exp(3)^5+256*x^6),x, algorithm="maxima")

[Out]

6*e^15/(16*x^3 + e^15)

________________________________________________________________________________________

mupad [B]  time = 0.12, size = 14, normalized size = 0.93 \begin {gather*} \frac {6\,{\mathrm {e}}^{15}}{16\,x^3+{\mathrm {e}}^{15}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(-(288*x^2*exp(15))/(exp(30) + 32*x^3*exp(15) + 256*x^6),x)

[Out]

(6*exp(15))/(exp(15) + 16*x^3)

________________________________________________________________________________________

sympy [A]  time = 0.15, size = 14, normalized size = 0.93 \begin {gather*} \frac {288 e^{15}}{768 x^{3} + 48 e^{15}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(-288*x**2*exp(3)**5/(exp(3)**10+32*x**3*exp(3)**5+256*x**6),x)

[Out]

288*exp(15)/(768*x**3 + 48*exp(15))

________________________________________________________________________________________