For the matrices in Exercises 17–20, (a) find ksuch that

Chapter 4, Problem 19E

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QUESTION:

For the matrices in Exercises 17–20, (a) find ksuch that Nul A is a subspace of , and (b) find k such that Col A is a subspace of

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QUESTION:

For the matrices in Exercises 17–20, (a) find ksuch that Nul A is a subspace of , and (b) find k such that Col A is a subspace of

ANSWER:

Solution 19EStep 1 of 3Consider the following matrix: Recall that if A is a matrix, is a subspace of and is a subspace of .

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