1. Find a general solution to the following differential equations: (a) (b) (c) dy/ (x) + Answer: W(x) = 5 exp(-x). dy dx (x) 6y(x) = 0. dw dy Answer: W(y) = ( 3) exp((3+) y). ( (y) (3+) dw dy (y) +3w(y) = 0. dx dx 2- dt dt (t) - 6x(t) = 0. (t) + Answer: W(t) = -(7/2) exp(-t/2).