Find the general solution of the differential equation y'' - 2y' + y = e^t ln(t), t > 0. (a) Find the general solution y_H(t) = c_1y_1(t) + c_2y_2(t) of the homogeneous equation y'' - 2y' + y = 0. (b) Use variation of parameters to find a particular solution of (3) in the form y_P(t) = u_1(t)y_1(t) + u_2(t)y_2(t). A good place to start is by solving for the unknown functions u_1'(t) and u_2'(t) in the matrix equation [[y_1, y_2], [y_1', y_2']][u_1', u_2'] = [0, e^t ln(t)]. Then compute antiderivatives u_1(t) = integral u_1'(t) dt, u_2(t) = integral u_2'(t) dt. A particular solution of (3) is y_P(t) = u_1(t)y_1(t) + u_2(t)y_2(t). Simplify the particular solution as much as possible. (c) Find the general solution of (3), y(t) = y_H(t) + y_P(t).