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*helpppp*

Evaluate 15^C9

(11C9)

*helpppp* Evaluate 15^C9 (11C9)-example-1

1 Answer

2 votes


_(15)C_9=(15!)/(9!6!)=(10\cdot11\cdot12\cdot13\cdot14\cdot15)/(2\cdot3\cdot4\cdot5\cdot6)=5005

User Joseph McCombs
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