How to find a(superscript)C b(subscript)...What is the formula??

Asked by karan | 28th Dec, 2012, 10:28: AM

Expert Answer:

5C2 = 5!/ 2! 3! = 5 x 4 / 2 = 10
 
Since, aCb = a!/ b! (a-b)!

Answered by  | 28th Dec, 2012, 11:00: AM

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