Let V be a complex normed vector space. How many unit vectors are parallel to a given
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Let V be a complex normed vector space. How many unit vectors are parallel to a given vector 0 ≠ v ∈ V?
(a) None;
(b) 1;
(c) 2;
(d) 3;
(e) ∞;
(f) Depends upon the vector;
(g) Depends on the norm.
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