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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.
Asked by Shamss Last Modified
Answer 
(i) Since the reciprocal of 0 is not defined, 0 is the rational number that does not have a reciprocal.
(ii) 1 and -1
reciprocal of 1=1/1=1
reciprocal of -1= =-1
(iii)-0=+0=0
0 is the only rational number that is equal to its negative
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