Dot and Triple Product Problems
1Given the vectors
,
and
, calculate the following:
1.
, ![]()
2.
, ![]()
3. ![]()
4.
![]()
5. ![]()
2For what values of a do the vectors
,
and
form a basis?
3Determining the value of the coefficient k for the vectors
= k
− 2
+ 3
,
= −
+ k
+
if the vectors are:
1. Orthogonal.
2. Parallel.
4Find the direction cosines of the vector
.
5Calculate the angle between the vectors
and
.
6Given the vectors
and
, calculate:
1 The magnitudes of
and
·
2 The cross product of
and
·
3 The unit vector orthogonal to
and
·
4 The area of the parallelogram whose sides are the vectors
and
·
7Calculate the triple product of:
if
.
8Given the vectors
,
and
, calculate the triple product
. Also, what is the volume of the parallelepiped whose edges are formed by these vectors?
1
Given the vectors
,
and
, calculate the following:
1.
, ![]()
![]()
![]()
2.
, ![]()


3. ![]()
![]()
4.
![]()
![]()
![]()
5. ![]()

3
Determining the value of the coefficient k for the vectors
= k
− 2
+ 3
,
= −
+ k
+
if the vectors are:
1. Orthogonal.
![]()
![]()
![]()
2. Parallel.

The system does not have a solution.
5
Calculate the angle between the vectors
and
.
![]()

6
Given the vectors
and
, calculate:
1 The magnitudes of
and
·
![]()
![]()
2 The cross product of
and
·

3 The unit vector orthogonal to
and
·
![]()

4 The area of the parallelogram whose sides are the vectors
and
·
![]()
8
Given the vectors
,
and
, calculate the triple product
. Also, what is the volume of the parallelepiped whose edges are formed by these vectors?

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