Optimal. Leaf size=18 \[ -3-e^{\left (-2+e^8 x^2\right )^4} x \]
________________________________________________________________________________________
Rubi [B] time = 0.14, antiderivative size = 103, normalized size of antiderivative = 5.72, number of steps used = 1, number of rules used = 1, integrand size = 70, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.014, Rules used = {2288} \begin {gather*} -\frac {e^{e^{32} x^8-8 e^{24} x^6+24 e^{16} x^4-32 e^8 x^2+16} \left (-e^{32} x^8+6 e^{24} x^6-12 e^{16} x^4+8 e^8 x^2\right )}{-e^{32} x^7+6 e^{24} x^5-12 e^{16} x^3+8 e^8 x} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
Rule 2288
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=-\frac {e^{16-32 e^8 x^2+24 e^{16} x^4-8 e^{24} x^6+e^{32} x^8} \left (8 e^8 x^2-12 e^{16} x^4+6 e^{24} x^6-e^{32} x^8\right )}{8 e^8 x-12 e^{16} x^3+6 e^{24} x^5-e^{32} x^7}\\ \end {aligned} \end {gather*}
________________________________________________________________________________________
Mathematica [A] time = 0.04, size = 16, normalized size = 0.89 \begin {gather*} -e^{\left (-2+e^8 x^2\right )^4} x \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [B] time = 1.20, size = 33, normalized size = 1.83 \begin {gather*} -x e^{\left (x^{8} e^{32} - 8 \, x^{6} e^{24} + 24 \, x^{4} e^{16} - 32 \, x^{2} e^{8} + 16\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [B] time = 0.17, size = 33, normalized size = 1.83 \begin {gather*} -x e^{\left (x^{8} e^{32} - 8 \, x^{6} e^{24} + 24 \, x^{4} e^{16} - 32 \, x^{2} e^{8} + 16\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [A] time = 0.10, size = 34, normalized size = 1.89
method | result | size |
risch | \(-x \,{\mathrm e}^{x^{8} {\mathrm e}^{32}-8 x^{6} {\mathrm e}^{24}+24 x^{4} {\mathrm e}^{16}-32 x^{2} {\mathrm e}^{8}+16}\) | \(34\) |
gosper | \(-x \,{\mathrm e}^{x^{8} {\mathrm e}^{32}-8 x^{6} {\mathrm e}^{24}+24 x^{4} {\mathrm e}^{16}-32 x^{2} {\mathrm e}^{8}+16}\) | \(42\) |
norman | \(-x \,{\mathrm e}^{x^{8} {\mathrm e}^{32}-8 x^{6} {\mathrm e}^{24}+24 x^{4} {\mathrm e}^{16}-32 x^{2} {\mathrm e}^{8}+16}\) | \(42\) |
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [B] time = 0.95, size = 33, normalized size = 1.83 \begin {gather*} -x e^{\left (x^{8} e^{32} - 8 \, x^{6} e^{24} + 24 \, x^{4} e^{16} - 32 \, x^{2} e^{8} + 16\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [B] time = 2.14, size = 36, normalized size = 2.00 \begin {gather*} -x\,{\mathrm {e}}^{-8\,x^6\,{\mathrm {e}}^{24}}\,{\mathrm {e}}^{x^8\,{\mathrm {e}}^{32}}\,{\mathrm {e}}^{-32\,x^2\,{\mathrm {e}}^8}\,{\mathrm {e}}^{24\,x^4\,{\mathrm {e}}^{16}}\,{\mathrm {e}}^{16} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [B] time = 0.17, size = 37, normalized size = 2.06 \begin {gather*} - x e^{x^{8} e^{32} - 8 x^{6} e^{24} + 24 x^{4} e^{16} - 32 x^{2} e^{8} + 16} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________