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If sum(k = 0)^(18)(k)/(""^(18)C(k))= a s...

If `sum_(k = 0)^(18)(k)/(""^(18)C_(k))= a sum_(k=0)^(18)(1)/(""^(18)C_(k))`, then the value of a is a)3 b)9 c)6 d)18

A

3

B

9

C

6

D

18

Text Solution

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The correct Answer is:
B
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