Let A and B be sets. Prove that A U B = An B if and only if A = B
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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Transcribed Image Text:(2c) Let A and B be sets. Prove that A U B = An B if and only if A = B(
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