Math, asked by prernasinghmail1467, 1 year ago

How many ways students can sit in a row of n seats each student has an emty seat immediately to his left

Answers

Answered by hannjr
0

Answer:

The number of combinations of n objects taken 2 at a time is  

N = n! / [(2!)  * (n - 2)!]

Since the above value for N does not specify the order of a student and an empty seat the number of possible ways to have the empty seat on the left is N / 2 where N is given above.


Step-by-step explanation:


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