For the differential equation (D2 + 3D + 2)y = \({{\rm{e}}^{{{\rm{e}}^{\rm{x}}}}}\), the particular integral is:
1
e-2x ⋅ \({{\rm{e}}^{{{\rm{e}}^{\rm{x}}}}}\) + ex
2
e2x ⋅ \({{\rm{e}}^{{{\rm{e}}^{\rm{x}}}}}\)
3
e-2x ⋅ \({{\rm{e}}^{{{\rm{e}}^{\rm{x}}}}}\)
4
\({{\rm{e}}^{{{\rm{e}}^{\rm{x}}}}}\)