In what chapter is it said that Kyubi was divided into Yin and Yang?

[LUMOS ULTIMATUM]

I will give you rep if you could provide me with image or link

 

[Lrrrrr]

I cannot prove to you this logic, however the rep still wouldn't hurt.

 

[xxSAGExx]

I will give you rep if you could provide me with image or link

Jiraiya stated it

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[D R E X]

Also the same

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