Question

which rational number are reciprocal of its .write them.​

Answer 1

1 and -1 are the only rational numbers which are their own reciprocals. No other rational number is its own reciprocal. We know that there is no rational number which when multiplied with 0, gives 1. Therefore, rational number 0 has no reciprocal or multiplicative inverse.

Answer 2

1 and -1 are the only rational numbers which are their own reciprocals. No other rational number is its own reciprocal.