Question

the rational number that does not have any reciprocal
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Answer 1

Answer:

O is the only rational number which don't have any reciprocal,

as ,

the reciprocal of 0 is 1/0 which is not defined

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Answer 2

(i) 0 is a rational number but its reciprocal is not defined.

(ii) 1 and –1are the rational numbers that are equal to their reciprocals.

(iii) 0 is the rational number that is equal to its negative.