Question

The multiplicative identity in Integers is 

(1) 0 

(2) 1 

(3) 2

(4) not defined

Answer 1

Correct option is (2) 1 

Let's multiply 1 with the integers 3 and 5.

3 x 1 = 3

5 x 1 = 5

When we multiply an integer with 1 then the result will always the Same as the integer.