4. First find the solution to the following differential equations by hand and then plot the solution you found using MATLAB: (a) * + 2x = sin(t) with x(0) = 1 (b) 2 + 2. + 5x = 1 with 2(0) = 0 and +(0) = 1. 4. First find the solution to the following differential equations by hand and then plot the solution you found using MATLAB: (a) * + 2x = sin(t) with x(0) = 1 (b) 2 + 2. + 5x = 1 with 2(0) = 0 and +(0) = 1