Page 233 - Elementary_Linear_Algebra_with_Applications_Anton__9_edition

(b) ,
(c) ,

Find the area of the triangle having vertices P, Q, and R.
4.

(a) , ,

(b) , ,

Verify parts (a), (b), and (c) of Theorem 3.4.1 for the vectors and .
5. , and

Verify parts (a), (b), and (c) of Theorem 3.4.2 for , .
6.

Find a vector v that is orthogonal to the vector .
7.

Find the scalar triple product .
8. ,

(a) ,

(b) , ,

Suppose that . Find
9.

(a)

(b)

(c)

(d)

(e)

(f)