Using the op-amp circuit shown below, realize the transfer function shown below. Assume R1 = R2 and show that Z1 = 4 Z2. All steps in the solution should [5] %3D 1/3 be clearly explained. vo(s) v.(s)_ -4(s+ 100) v:(s) (s + 400) Z2 Z1 R2 R1 3.