The simplification of `(sqrt 7 + 1/sqrt7)^2` gives

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Q 2272745636.     The simplification of `(sqrt 7 + 1/sqrt7)^2` gives
IBPS-CLERK 2017 Mock Prelims
A

`50/7`

B

`2/49`

C

`48sqrt7`

D

`64/7`

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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