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ANSWER:

= 1 \div x \\ \\ = \frac{1}{2 + \sqrt{3} } \\ \\ = \frac{1}{2 + \sqrt{3} } \times \frac{2 - \sqrt{3} }{2 - \sqrt{3} } \\ \\ = \frac{2 - \sqrt{3} }{ {(2)}^{2} - { (\sqrt{3} )}^{2} } \\ \\ = > \frac{2 - \sqrt{3} }{4 - 3} \\ \\ = > 2 - \sqrt{3}


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