Reciprocal
The reciprocal of a non-zero number 
(usually a real number or rational number, but also a complex number or any non-zero element of a field) is its multiplicative inverse. The reciprocal is usually denoted 
or 
.
and are multiplicative inverses of each other if and only if 
.
P.S If you take the reciprocal of 
one of these three things will happen: the 
will end, a 
will be created, or you will eat cereal for breakfast. The last thing is 
to happen.
P.S.S. Please raise your [b]dominant[/b] hand and solemnly swear to never take the reciprocal of .
See Also
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