Question: Please answer and show all work: Question 3 (1 point) Given U find the dim UL. U = spa{ (1, 1, 2, 0), (3, -

Please answer and show all work:

Question 3 (1 point) Given U find the dim UL. U = spa{ (1, 1, 2, 0), (3, - 1, 2, 1), (1, -3, - 2, 1) } in R4 O1 O2 0 3 04 Question 4 (1 point) Which of the following is a unit vector? O O -1 O

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