TR U P WP L OL = वितन० हे विद न ०

1.	TR U P WP L OL = वितन० हे विद न ०
Answer» nPk = n!/(n-k)! (n+2)P3 : (n+1)P3 = 10 : 7 (n+2)!/(n+2-3)! : (n+1)!/(n+1-3)! = 10 : 7 (n+2)!/(n-1)! : (n+1)!/(n-2)! = 10 : 7 (n+2)(n+1)!/((n-1)(n-2)!) : (n+1)!/(n-2)! = 10/7 (n+2)/(n-1) = 10/7 7n + 14 = 10n - 10 3n = 24 n = 8 If you find this answer helpful then like it.

Answer»

nPk = n!/(n-k)! (n+2)P3 : (n+1)P3 = 10 : 7 (n+2)!/(n+2-3)! : (n+1)!/(n+1-3)! = 10 : 7 (n+2)!/(n-1)! : (n+1)!/(n-2)! = 10 : 7 (n+2)(n+1)!/((n-1)(n-2)!) : (n+1)!/(n-2)! = 10/7 (n+2)/(n-1) = 10/7 7n + 14 = 10n - 10 3n = 24 n = 8

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TR U P WP L OL = वितन० हे विद न ०

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