Question

how many rational number are there whose reciprocal do not exist​

Answer 1

Answer:

1 (0). That is, one (and it is ). I mean, the answer is that there is one such rational number, and this number is . Every nonzero rational number has a reciprocal..

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Answer 2

1 (0). That is, one (and it is ). I mean, the answer is that there is one such rational number, and this number is .

0 (zero) is the number which has no reciprocal. It is the only number. Other numbers, say - 1 also has a reciprocal (-1). All numbers, including fractions, rational numbers, integers, etc. have reciprocals.

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