Question:
Let V be the vector space R³. (a) Let W = {(x, y, z) = R³ :
Last updated: 7/11/2022
![Let V be the vector space R³. (a) Let W = {(x, y, z) = R³ :](https://media.kunduz.com/media/sug-question/raw/84461514-1657552577.4647703.jpeg?h=512)
Let V be the vector space R³. (a) Let W = {(x, y, z) = R³ : z = x + y}. Is W a subspace of V? Give reasons. (b) Let U = {(x, y, z) = R³ : z = x²} Is U a subspace of V? Give reasons.