efeng25 efeng25
  • 02-03-2021
  • Mathematics
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How many numbers are reciprocals of themselves?

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crescenttsukithrowaw
crescenttsukithrowaw crescenttsukithrowaw
  • 02-03-2021

Answer:

2

Explanation:

In short terms, there are two numbers that are reciprocals of themselves, 1 and -1.  According to euler's identity, e^(-i*2*pi) is a reciprocal of itself, but I believe that is beyond the scope of this question.

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