are there any rational numbers equal to their reciprocal
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This can happen for any m , n ( n ≠ 0 ) provided ± m = ± n . This means thatthere are infinite solutions to therational number, but it reduces to only two distinct rational numbers. From the example above the only rational numbers equal to their reciprocal are 1 and -1.
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yes. 1. 0/0
2. 1/1
3. -1/1
2. 1/1
3. -1/1
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