given nc9=nc8 find
n
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nc9=nc8
n!/9!(n-9)!=n!/8!(n-8)!
n! cancel
9.8!(n-9)!=8!(n-8)(n-9)!
8! (n-9)! cancel
9=n-8
n=17
I hope it is correct and helps u friend.
n!/9!(n-9)!=n!/8!(n-8)!
n! cancel
9.8!(n-9)!=8!(n-8)(n-9)!
8! (n-9)! cancel
9=n-8
n=17
I hope it is correct and helps u friend.
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