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10. (10 pts) Find bases for the following subspaces of R5: W = {(a, 92, 93, 94, 95) ER5 : a-a3-a4 = 0} W

10. (10 pts) Find bases for the following subspaces of R5: W = {(a, 92, 93, 94, 95) ER5 : a-a3-a4 = 0} W = {(a1, a2, a3, a4, a5) R5 : a2 = a3 = a4, a + a5 = 0}. What are the dimensions of W and W?

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