#4269

1618

Oct. 22, 2012, 3:57 p.m.

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Rose: Calculus is in two months so I expect you to be able to know everything from precalc like instantly. Class: OK. Rose: Except for everything we did all of September and the first half of October about matrices and stuff, you can just erase that from your minds. Class: Then why did we spend a month and a half doing them? Rose: Just because...