........... is the only rational number which is equal to its additive inverse.
The additive inverse of the rational number 1/6 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.