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Exercise 1.6.25

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It would be $m + n$ since $(α, 0) \cup (0, β)$ would be a basis of $Z$ if $α$ and $β$ are the basis of $V$ and $W$ respectly, where $(α, 0) = {(u, 0) \in Z : u \in V}$ and $(0, β) = {(0, u) \in Z : u \in W}$ .

jephianlin

2011-06-27 00:00

Exercise 1.6.25

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