SOLUTION: what is the reciprocal of -1?

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Question 303428: what is the reciprocal of -1?
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
The reciprocal of -1 is 1%2F%28-1%29 but that gives -1.

So -1 is its own reciprocal!  %22%2B1%22 and -1 are
the only numbers whose reciprocals are themselves.

Edwin