If A(n) ={ x:2 2+(1)/(n) le x le 10- (1)...

If `A_(n) ={ x:2 2+(1)/(n) le x le 10- (1)/(n), n =1,2,3…}.` then the valus of set `A_(1) uuA_(2) uuA_(3)uu…uuA_(n)uu…` is-

A

`{x:2 le x le 10}`

B

`{x:2 le x lt 10}`

C

`{x:2 2 lt x le 10}`

D

`{x:22 lt x lt 10}`

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The correct Answer is:

D

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