1.Verify that the given functions (explicit or implicit) is a solution of the corresponding differential equation:
Given,
Now, differentiating both sides w.r.t. x,
Again, differentiating both sides w.r.t. x,
Substituting the values of y’ and y'' in the given differential equations,
y'' - y' = ex - ex = 0 = RHS.
Therefore, the given function is the solution of the corresponding differential equation.