Math, asked by skmadarvali4412, 4 months ago

Fill tha value of nif nP3=5nP2

Answers

Answered by sakshikatiyar8601
0

Answer:

7

Step-by-step explanation:

n! /(n-3)! =5(n!) /(n-2)!

(n-2)! /(n-3)! =5

(n-2) (n-3)! /(n-3)! =5

n-2=5

n=7

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