For the Laurent series for about .

The convergence region is the disc with center in z=-2 and , since we have singularities in z=3 and z=-2.

Is this correct?

The textbook unswer is that the series converges for

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- April 28th 2011, 03:18 PM #1

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- April 28th 2011, 04:35 PM #2

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