2. Solve (1) for y(x, t) for the case where f(x) (a) g(x) 50 sin (#T/L) (b) g(x) = 3 sin (#x/L) - 5 sin (4mx/L) www (c) g(x) = sin (27x/L) + sin (37x/L)+ 4 sin (8rx/L) www 0 and