Which of the following is not a binary operation on R?

Which of the following is not a binary operation on the indicated set?

In the set R of real number ** is defined as follows. Which one of the following is not a binary operation on R?

Which one of the following is a binary operation on N?

- is a binary operation on

Examine which of the following is a binary operation : a*b = (a+b)/2, a,b in N For binary operation, check the commutative and associative property.

Examine which of the following is a binary operation : (i) a**b=(a+b)/(2),a,binN For binary operation, check the commutative and associative property.

On the set of all natural number N, which one of the following * is a binary operation?

Binary Operations

Determine which of the following binary operations on the set R are associative and which are commutative : a^(**) b = 1, AA a, b in R