If 0±x#1 in a field R, then x is an idempotent. но чо

Elementary Linear Algebra (MindTap Course List)
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ISBN:9781305658004
Author:Ron Larson
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Chapter6: Linear Transformations
Section6.CR: Review Exercises
Problem 41CR: For T:P4R5, and rank (T)=3, find nullity (T).
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If 0≠x≠1 in a
field R, then
x is an
idempotent.
Fo
५०
O
Transcribed Image Text:If 0≠x≠1 in a field R, then x is an idempotent. Fo ५० O
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