[理工] [線代] 向量空間
Let R denote the set of all real numbers. If S is a closed and bounded
interval in R
and contains 0, then S is not a subspace of R.
True
請問這題關鍵是在Bounded嗎?
如果是開區間就不是Subspace嗎?
The empty set is a vector space over and field.
False
這題是因為Field的關係嗎?
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