what is the additive identity for 2 x 4 matrices?

a. [ 1 1 1 1 ] [ 1 1 1 1 ]

b. [ -1 -1 -1 -1 ] [ -1 -1 -1 -1 ]

c. [ 0 0 0 0 ] [ 0 0 0 0 ]

d. [ 1 1 1 1 ] [ 0 0 0 0 ]

1 Answer

  • The additive identity is the matrix that you can add to any matrix without changing it. in the 2×4 case every entry is 0.

    so C

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