Page n date he ealmumbe asućh daduk dul o0elluthcul eymd 20a=1)ca-3) 0 fca=d= dy 0,b,bis

y=acos(beta*x)+bsin(beta*x)is the solution of differential equation. so y1=acos(beta*x) and y2=bsin(beta*x) are also solution of Differential equation. so on putting y1,y2,y on dif...