Let S=sum(n=1)^(9999)1/((sqrt(n)+sqrt(n+...

Let `S=sum_(n=1)^(9999)1/((sqrt(n)+sqrt(n+1)) (^4sqrt(n)+^4sqrt(n+1))` , then `S` equals ___________.

A

9

B

99

C

999

D

9999

Verified by Experts

The correct Answer is:

A

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