- #1

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## Homework Statement

What are

the basis for the row space and null space for the following matrix? Find the dimension of RS, dim of NS.

[1 -2 4 1]

[3 1 -3 -1]

[5 -3 5 1]

## Homework Equations

dim RS + dim NS = # of columns

## The Attempt at a Solution

I reduced the matrix into row echelon form and tried to determine everything, but in vain.