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OpenStudy (anonymous):

how do i factorise z^(-2)-(5/2)z^(-1)+1

OpenStudy (koikkara):

\(\color{darkgreen}{~''Hello"}\) @KANNYTE\(\color{darkgreen}{~''Nice~To~Meet~You~!!"}\) btw, its already done in MAths Section. \(Please~Close~this~question ~And ~paste~in ~maths~!\)

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