5.19 Develop the transfer function for the effect of u on y for the following differential equations, assuming u(0)=0,y(0)=0 and y(0)=0. a. dt2d2y+5dtdy+6y=u b. dt2d2y+3dtdy=u 5.20 Describe the dynamic behavior indicated by each of the following transfer functions. e. G(s)=s2+91 f. G(s)=s2+2s+41