Suppose {p, p,, P3} is an affinely independent set in Rn and q is an arbitrary point in Rn. Show that the translated set {Pi + q, P2 + q, P3 + q} is also affinely independent.
Suppose {p, p,, P3} is an affinely independent set in Rn and q is an arbitrary point in Rn. Show that the translated set {Pi + q, P2 + q, P3 + q} is also affinely independent.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.7: Distinguishable Permutations And Combinations
Problem 15E
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Step 1
Here, {p1,p2,p3} is an affinely independent set.
So, {p1,p2,p3} are linearly independent.
Step 2
Consider the set { p1+q, p2+q,p3+q}
Determine the difference of the elements of set.
(p2+q)-(p1+q)= p2-p1
(p3+q)-(p2+q)= p3-p2
For the elements of the set { p1+q, p2+q,p3+q} to be linearly dependent, the differences,
p2-p1 and p3-p2 must be multiple of each other.
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