Question:
Show that the columns of the 3 by 4 matrix A [with rows]
Last updated: 8/6/2022
![Show that the columns of the 3 by 4 matrix A [with rows]](https://media.kunduz.com/media/sug-question/raw/80814214-1659815340.5762067.jpeg?h=512)
Show that the columns of the 3 by 4 matrix A [with rows] = (1 1 1 1) (1 2 −1 3) (1 0 3 −2) ∈ M₃₄(Q) span Q³. Then find a rational 4x3 matrix B such that AB=I₃.
Last updated: 8/6/2022
Show that the columns of the 3 by 4 matrix A [with rows] = (1 1 1 1) (1 2 −1 3) (1 0 3 −2) ∈ M₃₄(Q) span Q³. Then find a rational 4x3 matrix B such that AB=I₃.