in how many ways 8 friends be arranged in a row if three of the friends do not want to sit at the extremes
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nikal bahar saalo ko
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3 friends not sit at extremes,
8-3=5 participants for extreme places,
we can fill first place in 5 ways, last place in 4 ways and balance 6 friends in 6! ways.
Therefore 5*4*6!=20*720=14400
Step-by-step explanation:
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