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If nC9!=nC8!, find nC17.

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If nC9!=nC8!, find nC17.

Posted by Vishal Shatyendra Kumar 6 years, 5 months ago

CBSE > Class 11 > Mathematics

2 answers

Shubham Kushwaha 6 years, 5 months ago

n!/(n-9)!9!=n!/(n-8)!8! (n-8)!/(n-9)!=9!/8! (n-8)(n-9)!/(n-9)!=9×8!/8! n-8=9 n=17 nC17=> 17!/(17-17)!17! nC17=1

0Thank You

Sourabh Kumar 6 years, 5 months ago

0Thank You

ANSWER

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CBSE > Class 11 > Mathematics