KCET2012MathematicsMathematical Reasoning
Which of the following is false?
Options
- A( N , ) is a group
- B( N ,+) is a semi-group
- C( Z ,+) is a group
- DSet of even integers is a group under usual addition
Correct answer
A. ( N , ) is a group
Step-by-step solution
Since, ( N , ) is not a group because the multiplicative inverse is not exist.