`_12 C_5` Find the binomial coefficient.

Expert Answers
gsarora17 eNotes educator| Certified Educator

Use the formula `_nC_r=(n!)/(r!(n-r)!)`

`_12C_5=(12!)/(5!(12-5)!)`

`=(12*11*10*9*8*7!)/(5*4*3*2*1*7!)`

`=(12*11*10*9*8)/(5*4*3*2*1)`

`=792`

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