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Anonymous User
(1,2,-3) LI (-1,-2,3) LI BUT (1,2,-3)+(-1,-2,3)=(0,0,0) LD
what's ur dabut
how (1,2,-3 ) is LI
single non zero vector always LI
a.x=0 => a=0 or x=0 but x≠0 so a=0 => x is LI