Chapter 10: Q 38. (page 801)
In Exercises 37–42, find and find the unit vector in the direction of v.
and the unit vector in the direction of vis.
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If u, v and w are three vectors in , what is wrong with the expression ?
In Exercises 22–29 compute the indicated quantities when
Find the area of the parallelogram determined by the vectors u and v.
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.
In Exercises 24-27, find and the component of v orthogonal tou.
role="math" localid="1649693816584"
If u and v are nonzero vectors in , why do the equations role="math" localid="1649263352081" and tell us that the cross product is orthogonal to both u and v?
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