Question

x=2+root3 find the value of x- 1/x


PLZZ answer it☝️​

Answer 1

Answer:

root value = 5 is to be root o x-1 / x

Answer 2

Answer:

$x = 2 + \sqrt{3} \\ \\ \\ x - \frac{1}{x} = (2 + \sqrt{3} ) - \frac{1}{(2 + \sqrt{3)} } \\ \\ \\ \\ = > \frac{(2 + \sqrt{3} ) {}^{2} - 1}{2 + \sqrt{3} } \\ \\ = > \frac{4 + 3 + 4 \sqrt{3} - 1 }{2 + \sqrt{3} } \\ \\ \\ = > \frac{6 + 4 \sqrt{3} }{2 + \sqrt{3} }$

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