Mathematics, 05.07.2019 18:00, Alohanikolas
The product of a number and its reciprocal is 1. true or false
Answers: 1
![\bf \begin{cases}5\\[0.8em]\stackrel{reciprocal}{\frac{1}{5}}\end{cases}~\hspace{5em}5\cdot \cfrac{1}{5}\implies \cfrac{5}{5}\implies 1\\\\\\\begin{cases}13\\[0.8em]\stackrel{reciprocal}{\frac{1}{13}}\end{cases}~\hspace{5em}13\cdot \cfrac{1}{13}\implies \cfrac{13}{13}\implies 1](/tpl/images/0054/9364/868a8.png)
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