Question

Asked Oct 7, 2019

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If A is 13×21 and dim(Col(A)) = 11, what can be said about dim(Nul(A))? Explain

Step 1

Consider the given question,

Here, *A* = [*a*_{ij}]_{13x21}

That means, the number of rows and columns in the matrix *A* is 13 and 21 respectively.

Step 2

Given, dim(col (*A*)) = 11

It is called dim of space spanned by columns of *A* is 11, which is not...

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