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`s_(1),s_(2)` ...............,`s_(10)` are the speakers in a conference, If `s_(1)` addresses only after `s_(2)`, then the number of ways the speakers address is

A

10!

B

9!

C

`10xx8!`

D

`(10!)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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