How To Evaluate The Expression 4p3?


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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 4P3, n=4 and r=3.

4P3 = 4!/ (4-3)!

4P3= 4!/ 1!

4P3= 24

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