[944] about proof in class

[Zhengyang Qi]

Hi professor,

In the proof of Theorem 1.6 in the note last class, we conclude that [image:
d[Z,\tilde{W}_i]= -\tilde{W}_iZbdW]. Will you please talk more about this
part of proof? When I review the class video, did you used something
like [image:
d[Z,\tilde{W}_i] = [dZ,d\tilde{W}_i]?]

Thank you!
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