SOLUTION: Find the value of n in the following; 8Cn = 4 x 7Cn

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Question 1121729: Find the value of n in the following;
8Cn = 4 x 7Cn

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!
use formula:

(,)=

in your case or and

so you have:















check: is true



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