Question

18.
The rational numbers that are equal to their reciprocals are
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Answer 1

Answer:

1 and -1

Step-by-step explanation:

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Answer 2

1 and -1 are the only rational numbers which are their own reciprocal. No other rational number is equal to its own reciprocal. So the rational numbers that are equal to their reciprocals are 1 and -1.

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