The differential equation is and the initial conditions are
.
The auxiliary equation is .
Find roots of the auxiliary equation.
\The roots of the auxiliary equation .
The general solution is
Substitute the initial condition in equation (1)
Differentiate equation (1) with respect to x.
\Substitute the initial condition in above equation.
Subtract equation (2) from equation (3).
\Substitute in equation (2).
Substitute and
in equation (1).
The general solution is .
The general solution is .