For any set S there exist be S such that a*b = e for some a e S then b is called which element of a? Where, e is an identity element on S. a. None of them O b. a proper element O c. an identity O d. an unique element O e. a unit

For any set S there exist be S such that a*b = e for some a e S then b is called which element of a? Where, e is an identity element on S. a. None of them O b. a proper element O c. an identity O d. an unique element O e. a unit

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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Concept explainers

Set Theory

Every field in the present world involves a set. The theory of sets was developed by German mathematician Georg Cantor while working on the “problems of trigonometric series”.

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For any set S there exist be S such that a*b = e for some a e S then b is called which element of a?
Where, e is an identity element on S.
a. None of them
O b. a proper element
O c. an identity
O d. an unique element
O e. a unit

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