The vectors are and .

(a)

Find .

Definition of dot product :

The dot product of vectors and is .

(b)

Find .

(c)

Find .

Properties of the dot product : .

(d)

Find .

.

(e)

Find .

Consider .

The scalar multiple of 2 and vector v is the vector of is

(a) .

(b) .

(c) .

(d) .

(e) .