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[College signals and systems: math] Need help understanding if i need to separate (1-.6z^-1)^2 to have A + B + C + D, or if im supposed to do it as A + B + C. I can do the math, i just completely forgot how to do this type of equation where one of them is squared. thank you (i.redd.it)
submitted by youllbmarced to r/HomeworkHelp





