1 9. Expand f(z) = (2-1)-(2-6) as a Laurent series a) for 12-11 > R. R=?...

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1 9. Expand f(z) = (2-1)-(2-6) as a Laurent series a) for 12-11 > R. R=? (Note: Pay attention, it is for >R, NOT <R.) b) for

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