Difference between revisions of "Reciprocal"
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<math>q</math> and <math>r</math> are multiplicative inverses of each other if and only if <math>r \cdot q = q \cdot r = 1</math>. | <math>q</math> and <math>r</math> are multiplicative inverses of each other if and only if <math>r \cdot q = q \cdot r = 1</math>. | ||
| − | P.S If you take the reciprocal of <math>0</math> one of these three things will happen: the <math>UNIVERSE</math> will end, a <math>BLACK HOLE</math> will be created, or you will eat cereal for breakfast. The last thing is <math>VERY UNLIKELY</math> to happen. | + | P.S If you take the reciprocal of <math>0</math> one of these three things will happen: the <math>\text{UNIVERSE}</math> will end, a <math>\text{BLACK HOLE}</math> will be created, or you will eat cereal for breakfast. The last thing is <math>\text{VERY UNLIKELY}</math> to happen. |
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| + | P.S.S. Please raise your <math>\text{DOMINANT}</math> hand and solemnly swear to never take the reciprocal of <math>0</math>. | ||
==See Also== | ==See Also== | ||
Latest revision as of 08:44, 31 December 2024
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 
hand and solemnly swear to never take the reciprocal of .
See Also
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