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Complex problem solving q (1 Viewer)

gamja

gamja

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I swear ive done something with mod=1 before, but cant remember... Any clues on how to solve? thx!
 
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nathanzhou1234

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gamja said:
View attachment 37345

I swear ive done something with mod=1 before, but cant remember... Any clues on how to solve? thx!
Click to expand...
Try geometrically cos z1-z2 represents a the vector between the two. I think its gonna be a parallelogram or smth and thus (z1-z2) and (z1+z2) will be diagonals. Cos they’re equal in magnitude it has to be a rectangle i think.
go shore
 
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