Question

$rationalise \frac{1}{2 - \sqrt{3} }$
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Answer 1

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$\large \frac{1}{2 - \sqrt{3} } \\ \ = > \ \frac{1}{2 - \sqrt{3} } \times \frac{2 + \sqrt{3} }{2+ \sqrt{3} } \\ \\ = > \frac{2 + \sqrt{3} }{4 + 3} \\ \\ \\ = > \frac{2 + \sqrt{3} }{7}$

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hops this may help you

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