Question

The identity elements with respect to addition in integers is

• A. $1$
• B. $-1$
• C. $0$
• D. none

Answer 1

Answer: (C)

$0$

Any mathematical object that ,when applied by an operation ,such as addition and multiplication ,to another mathematical object ,such as numbers , leaves the another object unchanged is called an identity object.

The identity element with respect to addition in integers is '$0$'.