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Find the value of P (7, 2). HELP PLSSSS

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Given:


P(7,2)

To find:

The value of the given permutation.

Solution:

Permutation is defined as:


P(n,r)=(n!)/((n-r)!)

We have,


P(7,2)

Using permutation formula, we get


P(7,2)=(7!)/((7-2)!)


P(7,2)=(7* 6* 5!)/(5!)


P(7,2)=7* 6


P(7,2)=42

Therefore, the value of P(7,2) is 42.

User JaydeepW
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