Question

Write.
(i) The rational number that does not have a reciprocal.
(ii) The rational numbers that are equal to their reciprocals.
(iii) The rational number that is equal to its negative.

Answer 1

(i) The rational number that does not have reciprocal is $0.$
(ii) $1$ and $-1$ both are equal to their reciprocals.
(iii) The rational number that is equal to its negative is $0.$