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2) Evaluate:- 10c8 solve the sum |
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Answer» Answer: The general FORMULA for a combination is: C n , = n ! ( k ! ) ( n − k ) ! with n = population , k = picks
and so C 10 , 8 = 10 ! ( 8 ! ) ( 10 − 8 ) ! = 10 ! 8 ! 2 ! = 10 × 9 × 8 ! 8 ! × 2 = 45 |
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