• 2022-06-01
    设向量组α1,α2,α3线性相关,而其中任何两个向量均线性无关,若有数k1,k2,k3使k1α1+k2α2+k3α3=0,则当k1,k2,k3不全为零时,必有(  )A.k1=0,k2k3≠0B.k2=0,k1k3≠0C.k3=0,k1k2≠0D.k1k2k3≠0