Which of the following statements is true regarding binary operations on set of natural numbers.1subtraction and division are binary operations on N2(a , b) → a+4b is not a binary operation on N3(a , b) → a + b is a binary operation on N4(a , b) → a + b is a binary operation on NAnswer & explanation+Correct answer: option 4Show that ( a , b) → a + b is a binary operation.
