Question: In each case determine if the given vectors span R4. Support your answer. (a) {[1 1 1 1]T, [0 1 1 1]T, [0 0 1

In each case determine if the given vectors span R4. Support your answer.
(a) {[1 1 1 1]T, [0 1 1 1]T, [0 0 1 l]T, [0 0 0 l]7}.
(b) {[1 3 -5 0]T, [-2 1 0 0]T, [0 2 1 -l]T, [1 -4 5 0]T}.

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