Question

Write:
(i) A rational number which has no reciprocal.
(ii) A rational number whose product with a given rational number is equal to the given rational number.
(iii) A rational number which is equal to its reciprocal.
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Answer 1

Answer:

(1) 0. because 1/0 is not possible

(2) 1. because 1 × any number = 1

(3) 1. because 1 = 1/1