Changes

An identity element is that element of a set of numbers which, when combined with another number in a particular operation, leaves that number unchanged.  

An identity element is that element of a set of [[numbers]] which, when combined with another number in a particular operation, leaves that number unchanged.  

Zero (0) is the identity element under addition for the real numbers. If a is any real number, a + 0 = a and 0 + a = a.  

Zero (0) is the identity element under addition for the [[real numbers]]. If a is any real number, a + 0 = a and 0 + a = a.  

One (1) is the identity element under multiplication since a × 1 = a and 1 × a = a.

One (1) is the identity element under [[multiplication]] since a × 1 = a and 1 × a = a.

[[Category:Algebra Terms]]

[[Category:Algebra Terms]]

[[Category:Algebra]]

[[Category:Algebra]]

[[Category:Mathematics]]

[[Category:Mathematics]]