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enter image description here

I know how to solve cascade form for normal case, but I don't know how to solve cascade form if I get complex exponentials. How do I solve this? Can you provide me 1 solved example or some hint or some idea.

https://drive.google.com/file/d/13vGHn5G32i4J7sqlbf715yq6DNbrbB56/view?usp=sharing

Here is what I have solved.

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  • $\begingroup$ What is a "normal" case for you ? What have you tried and where are you stuck? Looks like homework $\endgroup$
    – Hilmar
    Aug 29, 2021 at 15:54
  • $\begingroup$ drive.google.com/file/d/13vGHn5G32i4J7sqlbf715yq6DNbrbB56/… I have done these much. My confusion is only due to cosjnpi/3+jsinjnpi/3...what should i do to that? $\endgroup$
    – pazzah
    Aug 29, 2021 at 16:25
  • $\begingroup$ LaTeX $\endgroup$
    – OverLordGoldDragon
    Aug 29, 2021 at 19:15
  • $\begingroup$ Hint: the zeroes and poles come in complex conjugated pairs. $\endgroup$
    – Hilmar
    Aug 30, 2021 at 17:40

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@Hilmar, I solved this question. I am the OP. I forgot the password of my old account. Poles are not in complex conjugated pairs. The solution is simple. It uses this formula. enter image description here

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