• 2022-06-11
    ‌ Let A be a [img=40x20]1803c4e60908a8b.png[/img]matrix, and the determinant of A is 0,then _________.‍‌‍
    A: there must be a column of elements in A that are all 0
    B: there must be a column in A that is a linear combination of the other column vectors
    C: there must be two columns that are proportional to each other
    D: any column vector in A is a linear combination of the remaining column vectors
  • B

    内容

    • 0

      Macth each word in column A with its definition in column B

    • 1

      A column that fails due to normal stress, is called ( ) A: short column B: long column C: weak column D: medium column

    • 2

      The slender column is under axial compressive load P, the critical load [img=23x22]1803a0faa055141.png[/img] is independent of ( ). A: the material of the column B: the length of the column C: the magnitude of the P D: the shape and dimension of the cross section of the column

    • 3

      A column in journals and ledger accounts used to cross reference journal and ledger entries is the__________. A: account balance column B: debit column C: posting reference column D: credit column E: description column

    • 4

      Find the appropriate definition in Column B for each word in Column A.