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...Section linear independence denition asetofpvectors u in rm is called linearly independent if the vector p equation x xp up has only trivial solution i otherwise set depen dent coe cients xn are a relation example anyonesingle always two vectors dependent notation of dependence or closely related to homogeneous systems fact let be m n matrix with column then we have following claim no non its determine whether three find need where h this end perform row operation on augmented for simplicity work since apparently free variable thus and f g finding e means nd from that reduces xx one zero take could choose any number here reason chose avoid fraction above see instance when combination general theorem characterization de pendent at least rest proof suppose without loss generality say there exist such it follows implies other hand constants not can solve as hence notethatwhen does mean member but summary wheth...