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2009
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April
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- the only approach for system of ineq is 2 try pt.s
- identity means LHS---RHS for all possibe unknowns
- (cosx)^2=1how many roots?
- smiliar 3D should also prop with all their size
- when operating reflexing,bear in mind the side length
- from x^0.5 to xit seems take sp or log are the onl...
- (a-b)x^2 + (b-c)x + (a-b)deta=0
- Rhombus
- parall's dignal not always bisect the angles
- some qu with time should think at initily
- Trasformation and Symmetry
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April
(11)
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