Question: - 2 -17 4. Let A = 12 4 -2 , then 3 6 3 a) Is the span of columns of A = R^3?

- 2 -17 4. Let A = 12 4 -2 , then 3 6 3 a) Is the span of columns of A = R^3? Equivalently, can any vector in R^3 be written as a linear combination of column vectors of A? b) If you answered no in part a), then write the span of A in equation form

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