• 2022-06-07
    已知向量组[tex=20.786x1.357]bIFwkdlJEWwU+4V0IqE51u2bw+VARn5wbuNsgOASCDyIWXRB+74Z+pRLw5rNmdzqnAjL2GtJe//XwfFlfTULQv5bDiYEiw2XLehQM/KOPGg=[/tex]的秩为2,则t=()(A)3(B)-3(C)2(D)-2