The number a is an additive inverse of number itself. Also, if a is a rational number, then a is
Question 11 If x + 0 = 0 + x = x, which is rational number, then 0 is called: (a) identity for addition of rational numbers. (b) additive inverse of x. (c) multiplicative inverse of x. (d) reciprocal of x.
What is additive inverse of a rational number? give an example.