Let X be a topological vector space. Prove that: OFor A, BC X, A+BCA+B. ) If Y is a linear subspace of X, then Y is also a lincar subspace of X. )For A CX, if A is balanced, then A is also balanced. ) For ACX, if A is bounded, then A is also bounded.

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
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Chapter4: Vector Spaces
Section4.CR: Review Exercises
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1. Let X be a topological vector space. Prove that:
(a) For A, BC X, A+BCA+B.
(b) If Y is a lincar subspace of X, then Y is also a lincar subspace of X.
(c) For A CX, if A is balanced, then A is also balanced.
(d) For A CX, if A is bounded, then A is also bounded.
Transcribed Image Text:1. Let X be a topological vector space. Prove that: (a) For A, BC X, A+BCA+B. (b) If Y is a lincar subspace of X, then Y is also a lincar subspace of X. (c) For A CX, if A is balanced, then A is also balanced. (d) For A CX, if A is bounded, then A is also bounded.
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