Page 275 - Elementary_Linear_Algebra_with_Applications_Anton__9_edition

(a) , , , and

(b) ,

Find two vectors of norm 1 that are orthogonal to the three vectors
16. .

In each part, verify that the Cauchy–Schwarz inequality holds.
17.

(a) ,

(b) ,

(c) ,

(d) ,

In each part, verify that Formulas 8 and 9 hold.
18.

(a) , ,

(b)
,,

Solve the following linear system for , , and .
19.

Find given that and .
20.

Use Theorem 4.1.6 to show that u and v are orthogonal vectors in if . Interpret this result
21. geometrically in .