Question
The numbers _____ and _____ are their own reciprocal.
✓
Answer
The numbers $1$ and $-1$ are their own reciprocal.
Solution:
The reciprocal of $1$ and $-1$ are $\frac{1}{1}$ and $\frac{1}{-1},$ i.e. $1$ and $-1$ respectively.
Solution:
The reciprocal of $1$ and $-1$ are $\frac{1}{1}$ and $\frac{1}{-1},$ i.e. $1$ and $-1$ respectively.
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