Gu mid band,{:[A=(" fmid ")/(sqrt(1+(+_(1)∣f)^(2))sqrt((1+f∣f_(2))^(2)))],[f_(1)|f=0++|f_(2)=0]:}Belowthe A= Anid. midband{:[ff_(2)~~0.],[A=(" Amid ")/(sqrt(1+(+1//f)^(2)))],[f_(1)∣f~~0]:}Above midband {:[A=(A_("mid ")) ... See the full answer