Let P(1, 2, 0), Q(4,6,0), and R(6,14,0) be 3 points in 3-space.  Find the scalar projection of PQ onto PR and verify that it is equal to the magnitude of the vector projection you just found. (vector projection of PQ onto PR) please use proper notation and show work

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Vector Spaces
Section4.2: Vector Spaces
Problem 38E: Determine whether the set R2 with the operations (x1,y1)+(x2,y2)=(x1x2,y1y2) and c(x1,y1)=(cx1,cy1)...
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Let P(1, 2, 0), Q(4,6,0), and R(6,14,0) be 3 points in 3-space. 

Find the scalar projection of PQ onto PR and verify that it is equal to the magnitude of the
vector projection you just found. (vector projection of PQ onto PR)

please use proper notation and show work

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