−1/3e−x3-1 / 3 e^{-x^{3}}−1/3e−x3
13e−x3\frac{1}{3} e^{-x^{3}}31e−x3
−1/3e+x3-1 / 3 e^{+x^{3}}−1/3e+x3
−1/3e−x2-1 / 3 e^{-x^{2}}−1/3e−x2
1/3e+x41 / 3 \mathrm{e}^{+\mathrm{x}^{4}}1/3e+x4