Asked Oct 7, 2019

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


Expert Answer

Step 1

Consider the given question,

Here, A = [aij]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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