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  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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Topic review (newest first)

bobbym
2013-02-15 08:25:49

Hi;

Your poles are

1, -1, i, -i

A rational function is analytic at each point of its domain. Does that help a bit? What is the domain of your function?

Bishmay
2013-02-15 07:51:28

Hi,
The complex function is given and it is asked to check whether it is analytic or not... But I am confused how to proceed

bobbym
2013-02-15 07:35:10

Hi;

Aren't rational functions analytic away from their poles?

Bishmay
2013-02-15 07:14:16

Check for analyticity: f(z)= 1/(1-z^4)

Please show the steps... Should I start with z= x+iy or take rcoso +i sino????

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