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If x = 7 - 4 sqrt 3, then the value of (...

If `x = 7 - 4 sqrt 3`, then the value of `(x + 1/x)` is :

A

`3sqrt3`

B

`8 sqrt 3`

C

`14 + 8 sqrt3`

D

`14`

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The correct Answer is:
D
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