Math, asked by jsbaruah1, 1 year ago

if 18 C n = 18 C 2n-3

Answers

Answered by ds2113141
3

Answer:

Step-by-step explanation:

n +2n-3 =18 , 3n =21 , n =7       ,because pCn =pCn+1 , then n+n+1 =p

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