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Which of the following is a topology on X = {1,2,3,4} T= {4. {1}.{2}. {1,2},{3}} T = {4.X. {1}.{2}} T= {0.{1}.{2},{1,2}} T = {0,X,{1}. {2},{1,2}}

Which of the following is a topology on X = {1,2,3,4} T= {4. {1}.{2}. {1,2},{3}} T = {4.X. {1}.{2}} T= {0.{1}.{2},{1,2}} T = {0,X,{1}. {2},{1,2}}

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Which of the following is a topology on X = {1,2,3,4} T = {0. {1}.{2}. {1,2},{3}} T = {0.X. {1}.{2}} T = {4. {1}.{2},{1,2}} T={0,X,{1}, {2},{12}}
Transcribed Image Text:Which of the following is a topology on X = {1,2,3,4} T = {0. {1}.{2}. {1,2},{3}} T = {0.X. {1}.{2}} T = {4. {1}.{2},{1,2}} T={0,X,{1}, {2},{12}}
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