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Ostrovityanka [42]
3 years ago
8

Lining up a wedding party for a photo.

Mathematics
1 answer:
gayaneshka [121]3 years ago
5 0

Answer:

<u>Step-by-step explanation:</u>

a) Number of arrangements in which bride is not next to the groom

= Total number of arrangements - Number of arrangements in which bride and groom are next to each other

= 10! - 2*9!

= 2903040

b) Number of arrangements such that groom is not at the leftmost position

= Total number of arrangements - Number of arrangements with groom at leftmost position

= 10! - 9!

= 3265920

c) Number of ways such that groom is not at one end

= Total number of arrangements - Number of arrangements with groom at one end

= 10! - 2*9!

= 2903040

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