Question: The null space of a matrix A E Mmxn is defined as N(A) = {x R : Ax = 0}, and it's a vector

The null space of a matrix A E Mmxn is defined as

The null space of a matrix A E Mmxn is defined as N(A) = {x R : Ax = 0}, and it's a vector subspace of Rn. Now, given A = 1 3 5 9 2467 1 2 3 4 find a basis for N(A) and hence determine the dim (N(A)).

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