Characteristics of cascade realisation of IIR systems

Q.  The cascade realisation of IIR systems involves

1) The transfer function broken into product of transfer functions
2) The transfer function divided into addition of transfer functions
3) Factoring the numerator and denominator polynomials
4) Derivatives of the transfer functions

- Published on 26 Nov 15

a. 1, 2 and 3 are correct
b. 1 and 3 are correct
c. 3 and 4 are correct
d. All the four are correct

ANSWER: 1 and 3 are correct

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