11.a. Is 3 € {1,2,3}?d. Is {3} € {1,{2},{3}}?e. Is 1 € {1}?h. Is {2} € {{1},2}?į. Is {1}{1,{2}}?b. Is 1 ≤ {1}f. Is {2}J. Is {1} ≤ {1}?{1,{2},{3}}?c. Is {2} € {1,2}?g. Is {2} = {1,2}?

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Answered: 11. a. Is 3 € {1,2,3}? d. Is {3} €…

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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11. a. Is 3 € {1,2,3}? d. Is {3} € {1,{2}, {3}}? e. Is 1 € {1}? h. Is {2} € {{1},2}? į. Is {1} = {1,{2}}? b. Is 1 ≤ {1} f. Is {2} J. Is {1} = {1}? {1,{2},{3}}? c. Is {2} € {1,2}? g. Is {2} = {1,2}?