Solution:(a)(V_(0)(s))/(v_(i)(s))=((s||1))/((s||1)+1)=((s)/(1+s))/((s)/(1+s)+1)=(s)/((1+2s)/((Ary)))(b){:[111(s+(1)/(s))=(11(s^(2)+1)/(s))=((s^(2)+1)/(s))/(1+(s^(2)+1)/(s))],[=(s^(2)+1)/(s^(2)+s+1)],[:.(v_(0)^(')(s))/(V_(i(s)))=(s^(2)+1)/(s^(2) ... See the full answer