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If .^(n)C(4),.^(n)C(5), .^(n)C(6) are in...

If `.^(n)C_(4),.^(n)C_(5), .^(n)C_(6)` are in A.P., then find the value of n.

A

14

B

11

C

9

D

12

Text Solution

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The correct Answer is:
A
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