Chapter 10: Q 22 (page 789)
Find the distance between the points (4, 0) and (-5, 12)
The required distance is 15.
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Use limit rules and the continuity of power functions to prove that every polynomial function is continuous everywhere.
Find a vector in the direction opposite to and with magnitude 3.
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 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 .)
What is the definition of the cross product?
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