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syms G1 G2 G3 G4 //for C1/R1 a=(-G2)*G3*G4 Y=G1/(1+(G1*a)) disp(Y," C1/R1 = ") // for C2/R1 x=(-G1)*G2*G3 O= (x)/(1+(x*G4)) disp(O,"C2/R1 = ") //for C1/R2 k=(-G1)*G2*G4 K=k/(1+(k*G3)) disp(K,"C1/R2 = ") //for C2/R2 f=(-G1)*G3*G4 Z= G2/(1+(G2*f)) disp(Z,"C2/R2 = ")