Mathematics · Linear Algebra
Consider the following subspaces of the real vector space ℝ3: V1 = span {(1, 2, 3), (1, 1, 0)}, V2 = span {(1, -1, 0)}, V3 = span {(1, 1, 1)}, V4 = span {(1, 3, 6)} and V5 = span {(1, 0, -3)}. Then, which of the following is a subspace of ℝ3?
- 1V1 ∪ V5
- 2V1 ∪ V4✓
- 3V1 ∪ V3
- 4V1 ∪ V2
Correct answer
V1 ∪ V4
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