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Which one of the following are irrationa...

Which one of the following are irrational numbers ?
(i)`sqrt(2+sqrt3)` , (ii)`sqrt(4+sqrt25)` , (iii)`root3(5+sqrt7)` , (iv) `sqrt(8-root3(8))`

A

(ii),(iii), and (iv)

B

(i) , (ii) and (iv)

C

(i),(ii) and (iii)

D

(i),(iii) and (iv)

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