The sum of a positive number and its reciprocal is thrice the difference of the

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The sum of a positive number and its reciprocal is thrice the difference of the number and its reciprocal. The number is :

Options:

A . $$\sqrt 2 $$

B . $$\frac{1}{{\sqrt 2 }}$$

C . $$\sqrt 3 $$

D . $$\frac{1}{{\sqrt 3 }}$$

Answer: Option A

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