Answer
1
Work Step by Step
The reciprocal of a number $a$ is the number$\frac{1}{a}$, such that $a\times\frac{1}{a}=1$.
$a=1$, so $\frac{1}{a}=\frac{1}{1}=1$
$1\times1=1$, therefore the reciprocal of 1 is also 1.
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