(b) If V = U OW is a direct sum of subspaces U, W C V then any element v E V can be written uniquely as v = u +w with u E U and w E W. Show that t(v) =u defines a linear map t: V → V. (c) Show for the map n constructed in (b) that Im(t) U and Ker(t) = W. %3D

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Vector Spaces
Section4.CR: Review Exercises
Problem 73CR
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(b) If V = U OW is a direct sum of subspaces U, W CV then any element v E V can
be written uniquely as v = u +w with u E U and w E W. Show that T(v)
defines a linear map T: V → V.
= U
(c) Show for the map n constructed in (b) that Im(n)
U and Ker(t) = W.
Transcribed Image Text:(b) If V = U OW is a direct sum of subspaces U, W CV then any element v E V can be written uniquely as v = u +w with u E U and w E W. Show that T(v) defines a linear map T: V → V. = U (c) Show for the map n constructed in (b) that Im(n) U and Ker(t) = W.
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