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Arrangements with Two Specified Objects at the Ends
## Formula
If two specified objects must occupy the two ends of a row of $$n$$ distinct objects:
$$2(n-2)!$$
## Usage
- Used when two particular objects must be placed at the extreme positions.
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Arrangements with Two Specified Objects at the Ends
## Formula
If two specified objects must occupy the two ends of a row of $$n$$ distinct objects:
$$2(n-2)!$$
## Usage
- Used when two particular objects must be placed at the extreme positions.
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