Define binary operation on a set Verify whether the operation * defined on Z by a*b = ab + - Maths - Relations and Functions

Question

Define binary operation on a set Verify whether the operation *
defined on Z by a*b = ab + 1 is binary or not

Shrabasti Mondal · Answer

* is a binary operation because for all a,b belongs to Z , ab+1
surely belongs to Z

Define binary operation on a set. Verify whether the operation * defined on Z by a*b = ab + 1 is binary or not .