Question

If = 3 + √8 the value of
1) 1/x
2)x+1/x

pls its urgent

Answer 1

Step-by-step explanation:

$\frac{1}{x} = \frac{1}{3 + \sqrt{8} } \times \frac{3 - \sqrt{8} }{3 - \sqrt{8} }$

$= \frac{3 - \sqrt{8} }{9 - 8}$

$= 3 - \sqrt{8}$

$x + \frac{1}{x} = 3 + \sqrt{8} + 3 - \sqrt{8}$

$= 6$