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Evaluate 12P3 and 10C3
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5 votes
Evaluate
12P3

and
10C3

User Mark Wilbur
by
7.5k points

1 Answer

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12P3=(12!)/(9!)=10\cdot11\cdot12=1320\\\\ 10C3=(10!)/(3!7!)=(8\cdot9\cdot10)/(2\cdot3)=120
User Divan
by
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