Prove Theorem 6.1(c). Let V be a vector space, u a vector in V, and c a
Question:
Prove Theorem 6.1(c).
Let V be a vector space, u a vector in V, and c a scalar.
a. 0u 0
b. c0 0
c. (-1)u-u
d. If cu 0, then c 0 or u 0.
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