Question: 7. (10 points) Show that 2s + 4t 2s W = 2s - 3t 5t is a subspace of R4. 8. (20 points) Determine if

7. (10 points) Show that 2s + 4t 2s W = 2s - 3t
7. (10 points) Show that 2s + 4t 2s W = 2s - 3t 5t is a subspace of R4. 8. (20 points) Determine if H a b 0 C E M2x2 a,b, cER is a subspace of M2x2

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