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Mathematics 12 Online
OpenStudy (anonymous):

Evaluate 9C4

OpenStudy (anonymous):

is there any more info?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

3,024 24 1,008 126

OpenStudy (anonymous):

these are th option

OpenStudy (mathstudent55):

\(_nC_r = \dfrac{n!}{r!(n - r)!} \)

OpenStudy (mathstudent55):

Are you familiar with factorial? For any integer n, \(n\ge 1\) \(n! = n\cdot(n - 1)\cdot(n - 2)\cdot ~ ... ~\cdot 2 \cdot 1 \) \(0! = 1\)

OpenStudy (anonymous):

that dont help

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