Question: Find (a) u v, (b) u u, (c) v 2 , (d) (u v) v, (e) u (3v). u = 2i

Find
(a) u · v,

(b) u · u,

(c) ∥v∥2,

(d) (u · v) v, 

(e) u · (3v).

u = 2i - j + k

v = i - k

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