In Exercise 1 - 4, let

1 . (u, v) is the inner product of Example 7.2. Compute
(a) (u, v)
(b) ||u||
(c) d(u, v)
2. (u, v) is the inner product of Example 7.3 with

Compute
(a) (u, v)
(b) ||u||
(c) d(u, v)
3. In Exercise l, find a nonzero vector orthogonal to u.
4. In Exercise 2, find a nonzero vector orthogonal to u.

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