The number 1 has several important properties that are useful in algebra. Table 1 gives these properties.
|Multiplication by 1||Anything times one equals itself.||a * 1 = 1 * a = a||Property of Multiplication by 1|
|Division by 1||Anything divided by one remains unchanged.||a/1 = a||Property of Division by 1|
|Exponent of 1||Any number raised to the power of one equals itself.||a1 = a||none|
|Idempotence||1 is idempotent under multiplication and exponentiation.||1·1=1, 11=1||Idempotence|
|Table 1: Properties of one.|
All Math Words Encyclopedia is a service of
Life is a Story Problem LLC.
Copyright © 2018 Life is a Story Problem LLC. All rights reserved.
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License