Give the commutative property of multiplication and illustrate the property with an example.
Give the commutative property of multiplication and illustrate the property with an example.
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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7

Transcribed Image Text:Give the commutative property of multiplication and illustrate the property with an example.
Choose the correct answer below.
O A. For any element a, 1•a= a•1 = a. An example of this is 1.9 =9•1= 9.
O B. For any elements a and b, a•b=b•a. An example of this is 2.3 = 3•2.
OC. For any element a, 0•a= a•0= 0. An example of this is 0•9 =9•0= 0.
D. For any elements a, b, and c, (a • b) • c = a• (b• c). An example of this is (2•5) • 3 = 2• (5• 3).
O E.
1
1 1
For any element a, a.-=-•a = 1. An example of this is 3.=5
3
3
1
•3 = 1.
a
a
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