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How To Evaluate The Expression 6P4?

2 Answers

AM MB Profile
AM MB answered
In the given question

6P4, n=6 and r=4.

6P4 = 6!/ (6-4)!

6P4= 6!/ 2!

6P4= 360
amber Jhon Profile
amber Jhon answered
A permutation is an arrangement of objects in a specified order. The total number of ways to arrange 'r' items out of total 'n' items, regarding the order of selection, is nPr.

nPr= n!/(n-r)!

In the given question 6P4, n=6 and r=4.

6P4 = 6!/ (6-4)!

6P4= 6!/ 2!

6P4= 360

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