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If f (x) =(1)/(sqrt(x+2sqrt((2x-4))))+(1...

If `f (x) =(1)/(sqrt(x+2sqrt((2x-4))))+(1)/(sqrt(x-2 sqrt(2x-4)))` for `x gt2,` then the value of `f (11)` is-

A

`6/7`

B

`5/7`

C

`5/6`

D

`7/6`

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The correct Answer is:
A
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