Chapter 10: Q 45. (page 801)
Find a vector in the direction of and with magnitude 2.
Short Answer
The required vector is.
Chapter 10: Q 45. (page 801)
Find a vector in the direction of and with magnitude 2.
The required vector is.
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If u, v and w are three vectors in , which of the following products make sense and which do not?
localid="1649346164463"
In Exercises 36–41 use the given sets of points to find:
(a) A nonzero vector N perpendicular to the plane determined by the points.
(b) Two unit vectors perpendicular to the plane determined by the points.
(c) The area of the triangle determined by the points.
(Hint: Think of the -plane as part of .)
In Exercises 37–42, find and find the unit vector in the direction of v.
In Exercises 30–35 compute the indicated quantities when
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