9.) Express (4a,a-b,a+2b) as a linear combination of (4,1,1)and (0,-1,2) 10.) Find a basis for the vector space of all 2x2 symmetric matrices.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.8: Determinants
Problem 8E
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9.) Express (4a,a-b,a+2b) as a linear combination of (4,1,1)and (0,-1,2)
10.) Find a basis for the vector space of all 2x2 symmetric matrices.
Transcribed Image Text:9.) Express (4a,a-b,a+2b) as a linear combination of (4,1,1)and (0,-1,2) 10.) Find a basis for the vector space of all 2x2 symmetric matrices.
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