15.
C
A rational number that does not have a reciprocal
(a) o (b) 1 (c)3 (d) 5
A rational number which is equal to its recinrocal
16.
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elddlysyodr I don't hgffty I don't have time to
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(i) The rational number that does not have reciprocal is zero.
(ii) 1, and −1 (Both are equal to their reciprocals)
(iii) The rational number that is equal to its negative =0
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