1. (a) Let U {A € M3 (R) | AT = -A}, a subspace of M3 (R). (i) Find a basis B for U. Justify your answer. (ii) Suppose that C = {C1, C2, C3} is another basis for U and that -5 -1 PB-C = 7 -8 -3 -4 3 1 Find C1. Justify your answer.
1. (a) Let U {A € M3 (R) | AT = -A}, a subspace of M3 (R). (i) Find a basis B for U. Justify your answer. (ii) Suppose that C = {C1, C2, C3} is another basis for U and that -5 -1 PB-C = 7 -8 -3 -4 3 1 Find C1. Justify your answer.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.9: Properties Of Determinants
Problem 46E
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