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Answer 1

Answer:

– dim Null(A) = number of free variables in row reduced form of A. – a basis for Col(A) is given by the columns corresponding to the leading 1's in the row reduced form of A. The dimension of the Null Space of a matrix is called the ”nullity” of the matrix. f(rx + sy) = rf(x) + sf(y), for all x,y ∈ V and r,s ∈ R.

Answer 2

Answer:

– dim Null(A) = number of free variables in row reduced form of A. – a basis for Col(A) is given by the columns corresponding to the leading 1's in the row reduced form of A. The dimension of the Null Space of a matrix is called the ”nullity” of the matrix. f(rx + sy) = rf(x) + sf(y), for all x,y ∈ V and r,s ∈ R.

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