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Chapter 10: Q 29. (page 801)

Find PQ鈫�.

P=(3,6),Q=(鈭�3,鈭�2)

Short Answer

Expert verified

The required value ofPQ鈫�is-6,-8.

Step by step solution

01

Step 1. Given information.  

We have given vectorP=3,6andQ=-3,-2.

02

Step 2. Find the values of PQ→.

PQ鈫�=x2-x1,y2-y1=-3-3,-2-6=-6,-8

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Most popular questions from this chapter

Find a vector in the direction of3,1,2and with magnitude 5.

In Exercises 36鈥�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.

P(1,6),Q(0,鈭�3),R(鈭�5,4)

(Hint: Think of the xy-plane as part of 鈩�3.)

Find the norm of the vector. v=13,13,-13

In Exercises 20-23, find the dot product of the given pairs of vectors and the angle between the two vectors.

u=3,-1,2,v=-4,-6,3

1鈭� that approaches (a)1,(b)e,(c)鈭�.
See all solutions

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