Q.1 at 2 Ox represents the vibrations of a string of length I fixed at (i) y(0, t ) = 0 both ends ,find the solution with boundary conditions, (ii) y(1,t) = 0 and initial conditions (iii) =0 (iv) y(x,0) = k(lx - x2 ) , 05x5/ ot 1=0