Question

If the operation * is defined by a *b = ab + 1, then the binary operation is,

A Not well defined on set of rational numbers
B
Not well defined on set of natural numbers
с
Not associative on N
D
Not commutative on N
​

Answer 1

Answer:

D

Step-by-step explanation:

not commutative to N

this is because commutative said a*b = b*a