How to express f(z) as f(z^-1)?

Question:How to express f(z) as f(z^-1)?

Posted: pburns001 37 Product: Maple

August 22 2010

Hi, can someone tell me how to approach converting an expression is z to one in powers of z^-1?

For example, express f(z) = z/(z-1) as 1/(1-z^-1) ?

Thanks

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