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Typing and finding a limit of sum

I am supposed to calculate a limit, but I do not know how to write it:

enter image description here

POSTED BY: Kadir Sertcanli
4 Replies

Kadir Sertcanli,

This question reads like homework, which we try to keep off the forum.

If you have questions on writing equations in Wolfram Language in the future, at least look up the needed functions in the documentation before asking. Both the in-product (Help menu - Wolfram Documentation) and web site ( have search fields into which you can enter the name of the operation you want to perform (for example, "limit" or "sum"). The reference pages on Wolfram Language functions include many examples that should get you started.

Moderation Team.

POSTED BY: Moderation Team
Posted 9 years ago

Zhan: No failure. You had the right answer. It just looked odd (well, not odd but rather imaginary). You were almost there.


POSTED BY: Jim Baldwin
Posted 9 years ago

enter image description here

Oh no, I thought I could help you, but I failed. sorry.

POSTED BY: Zhan Haikun
Posted 9 years ago

Hint: Try

FullSimplify[1/2 I(Log[3-I]-...)]



instead of

POSTED BY: Bill Simpson

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